Front matter (continued 2)

PLATE 48.

Legion SPUMELLARIA.

Orders PRUNOIDEA et DISCOIDEA.

Families Ellipsida, Artiscida, Spongurida, Cenodiscida, Porodiscida et Pylodiscida.

PLATE 48. Ellipsida, Artiscida, Spongurida, Cenodiscida, Porodiscida et Pylodiscida. Diam. Page. Fig. 1. Cenodiscus phacoides, n. sp., × 100 411 Fig. 1a. Vertical section. Fig. 2. Crucidiscus endostaurus, n. sp., × 200 416 Equatorial section. Fig. 3. Trochodiscus stellaris, n. sp., × 200 418 Fig. 4. Axoprunum stauraxonium, n. sp., × 300 298 Equatorial section. Fig. 5. Stylartus bipolaris, n. sp., × 200 357 Vertical section. Fig. 6. Spongocore puella, n. sp., × 300 347 Fig. 7. Spongoprunum amphilonche, n. sp., × 300 347 Fig. 8. Stomatodiscus osculatus, n. sp., × 600 503 Fig. 9. Archidiscus stauroniscus, n. sp., × 400 487 Fig. 9a. Marginal view. Fig. 10. Archidiscus hexoniscus, n. sp., × 400 488 Fig. 10a. Marginal view. Fig. 11. Archidiscus pyloniscus, n. sp., × 400 488 Fig. 11a. Marginal view. Fig. 12. Triolena primordialis, n. sp., × 800 564 Fig. 13. Triopyle hexagona, n. sp., × 600 565 Fig. 14. Triodiscus spinosus, n. sp., × 600 565 Fig. 15. Pylolena armata, n. sp., × 300 568 Fig. 16. Hexapyle dodecantha, n. sp., × 300 569 Fig. 17. Pylodiscus triangularis, n. sp., × 400 570 Fig. 18. Discozonium hexagonium, n. sp., × 400 572 Fig. 19. Discopyle osculata, n. sp., × 400 573 Fig. 20. Discopyle elliptica, n. sp., × 400 573

PLATE 48.

Ellipsida, Artiscida, Spongurida, Cenodiscida, Porodiscida et Pylodiscida.

Diam. Page.

Fig. 1. Cenodiscus phacoides, n. sp., × 100 411

Fig. 1a. Vertical section.

Fig. 2. Crucidiscus endostaurus, n. sp., × 200 416

Equatorial section.

Fig. 3. Trochodiscus stellaris, n. sp., × 200 418

Fig. 4. Axoprunum stauraxonium, n. sp., × 300 298

Equatorial section.

Fig. 5. Stylartus bipolaris, n. sp., × 200 357

Vertical section.

Fig. 6. Spongocore puella, n. sp., × 300 347

Fig. 7. Spongoprunum amphilonche, n. sp., × 300 347

Fig. 8. Stomatodiscus osculatus, n. sp., × 600 503

Fig. 9. Archidiscus stauroniscus, n. sp., × 400 487

Fig. 9a. Marginal view.

Fig. 10. Archidiscus hexoniscus, n. sp., × 400 488

Fig. 10a. Marginal view.

Fig. 11. Archidiscus pyloniscus, n. sp., × 400 488

Fig. 11a. Marginal view.

Fig. 12. Triolena primordialis, n. sp., × 800 564

Fig. 13. Triopyle hexagona, n. sp., × 600 565

Fig. 14. Triodiscus spinosus, n. sp., × 600 565

Fig. 15. Pylolena armata, n. sp., × 300 568

Fig. 16. Hexapyle dodecantha, n. sp., × 300 569

Fig. 17. Pylodiscus triangularis, n. sp., × 400 570

Fig. 18. Discozonium hexagonium, n. sp., × 400 572

Fig. 19. Discopyle osculata, n. sp., × 400 573

Fig. 20. Discopyle elliptica, n. sp., × 400 573

PLATE 49.

Legion SPUMELLARIA.

Order LARCOIDEA.

Families Lithelida, Streblonida, Phorticida et Soreumida.

PLATE 49. Lithelida, Streblonida, Phorticida et Soreumida. Diam. Page. Fig. 1. Spirema melonia, n. sp., × 300 692 Fig. 2. Lithelius solaris, n. sp. (the first central convolutions only), × 300 695 Fig. 3. Larcospira quadrangula, n. sp., × 300 696 Fig. 4. Pylospira octopyle, n. sp., × 300 698 Fig. 5. Tholospira cervicornis, n. sp., × 300 700 Fig. 6. Tholospira dendrophora, n. sp., × 300 700 Fig. 7. Spironium octonium, n. sp., × 300 701 Fig. 8. Streblacantha siderolina, n. sp., × 300 706 Fig. 8a. Outlines of the chambers, × 200 Fig. 9. Streblopyle helicina, n. sp., × 300 707 Fig. 10. Phorticium pylonium, n. sp., × 300 709 Fig. 11. Spongophortis larnacilla, n. sp., × 200 711 Fig. 11a. The upper half of the cortical shell is removed. Figs. 11b to 11d. The enclosed medullary Larnacilla-shell. b, Dorsal view; c, lateral view; d, basal view. Fig. 12. Soreuma irregulare, n. sp., × 200 713 Fig. 13. Sorolarcus larnacillifer, n. sp., × 300 715

PLATE 49.

Lithelida, Streblonida, Phorticida et Soreumida.

Diam. Page.

Fig. 1. Spirema melonia, n. sp., × 300 692

Fig. 2. Lithelius solaris, n. sp. (the first central convolutions only), × 300 695

Fig. 3. Larcospira quadrangula, n. sp., × 300 696

Fig. 4. Pylospira octopyle, n. sp., × 300 698

Fig. 5. Tholospira cervicornis, n. sp., × 300 700

Fig. 6. Tholospira dendrophora, n. sp., × 300 700

Fig. 7. Spironium octonium, n. sp., × 300 701

Fig. 8. Streblacantha siderolina, n. sp., × 300 706

Fig. 8a. Outlines of the chambers, × 200

Fig. 9. Streblopyle helicina, n. sp., × 300 707

Fig. 10. Phorticium pylonium, n. sp., × 300 709

Fig. 11. Spongophortis larnacilla, n. sp., × 200 711

Fig. 11a. The upper half of the cortical shell is removed.

Figs. 11b to 11d. The enclosed medullary Larnacilla-shell. b, Dorsal view; c, lateral view; d, basal view.

Fig. 12. Soreuma irregulare, n. sp., × 200 713

Fig. 13. Sorolarcus larnacillifer, n. sp., × 300 715

PLATE 50.

Legion SPUMELLARIA.

Order LARCOIDEA.

Families Larcarida, Larnacida et Zonarida.

PLATE 50. Larcarida, Larnacida et Zonarida. Diam. Page. Fig. 1. Larnacilla typus, n. sp., × 300 617 From the sagittal pole (dorsal view). Fig. 1a. From the lateral pole (sagittal section). Fig. 1b. From the principal pole (equatorial section). Fig. 2. Larnacalpis lentellipsis, n. sp., × 400 620 From the sagittal pole (dorsal view). Fig. 2a. From the lateral pole (sagittal section). Fig. 2b. From the principal pole (equatorial section). Fig. 3. Larnacalpis triaxonia, n. sp., × 400 621 From the sagittal pole (dorsal view). Fig. 4. Larnacantha hexacantha, n. sp., × 400 622 From the sagittal pole (dorsal view). Fig. 5. Larnacantha bicruciata, n. sp., × 300 623 Frontal view. Fig. 6. Larnacantha prismatica, n. sp., × 300 623 Half frontal, half lateral view. Fig. 7. Cenolarcus primordialis, n. sp., × 300 607 From the sagittal pole. Fig. 7a. From the lateral pole. Fig. 7b. From the principal pole. Fig. 8. Larcidium dodecanthum, n. sp., × 300 612 From the sagittal pole. Fig. 8a. From the principal pole. Fig. 9. Zonarium octangulum, n. sp., × 300 685 Frontal view. Fig. 10. Zoniscus tetracanthus, n. sp., × 300 687 Frontal view. Fig. 11. Zoniscus hexatholius, n. sp., × 400 687 Dorsal view (from the sagittal pole). Fig. 11a. Lateral view (from the frontal pole). Fig. 12. Zonidium octotholium, n. sp., × 300 688 Frontal section (from the sagittal pole). Fig. 12a. Lateral view (from the frontal pole).

PLATE 50.

Larcarida, Larnacida et Zonarida.

Diam. Page.

Fig. 1. Larnacilla typus, n. sp., × 300 617

From the sagittal pole (dorsal view).

Fig. 1a. From the lateral pole (sagittal section).

Fig. 1b. From the principal pole (equatorial section).

Fig. 2. Larnacalpis lentellipsis, n. sp., × 400 620

From the sagittal pole (dorsal view).

Fig. 2a. From the lateral pole (sagittal section).

Fig. 2b. From the principal pole (equatorial section).

Fig. 3. Larnacalpis triaxonia, n. sp., × 400 621

From the sagittal pole (dorsal view).

Fig. 4. Larnacantha hexacantha, n. sp., × 400 622

From the sagittal pole (dorsal view).

Fig. 5. Larnacantha bicruciata, n. sp., × 300 623

Frontal view.

Fig. 6. Larnacantha prismatica, n. sp., × 300 623

Half frontal, half lateral view.

Fig. 7. Cenolarcus primordialis, n. sp., × 300 607

From the sagittal pole.

Fig. 7a. From the lateral pole.

Fig. 7b. From the principal pole.

Fig. 8. Larcidium dodecanthum, n. sp., × 300 612

From the sagittal pole.

Fig. 8a. From the principal pole.

Fig. 9. Zonarium octangulum, n. sp., × 300 685

Frontal view.

Fig. 10. Zoniscus tetracanthus, n. sp., × 300 687

Frontal view.

Fig. 11. Zoniscus hexatholius, n. sp., × 400 687

Dorsal view (from the sagittal pole).

Fig. 11a. Lateral view (from the frontal pole).

Fig. 12. Zonidium octotholium, n. sp., × 300 688

Frontal section (from the sagittal pole).

Fig. 12a. Lateral view (from the frontal pole).

PLATE 51.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Tripocalpida, Phænocalpida et Cyrtocalpida.

PLATE 51. Tripocalpida, Phænocalpida et Cyrtocalpida. Diam. Page. Fig. 1. Tripterocalpis phylloptera, n. sp., × 400 1138 Fig. 2. Tripterocalpis conoptera, n. sp., × 300 1138 Fig. 3. Tripterocalpis ogmoptera, n. sp., × 300 1138 Fig. 4. Tripterocalpis ogmoptera, n. sp., × 500 1138 A group of confluent pores, more enlarged. Fig. 5. Tripterocalpis ogmoptera, n. sp., × 300 1138 Central capsule. In the centre the striate podoconus, above it four oil-globules, to the right the nucleus. Fig. 6. Tripocalpis triserrata, n. sp., × 600 1136 Fig. 7. Tridictyopus conicus, n. sp., × 300 1145 Fig. 8. Tridictyopus vatillum, n. sp., × 400 1145 Fig. 9. Cyrtophormis spiralis, n. sp., × 400 1166 Fig. 10. Archicorys ovata, n. sp., × 300 1185 Fig. 11. Cyrtocalpis gromia, n. sp., × 400 1188 Fig. 12. Archicorys microstoma, n. sp., × 400 1185 Fig. 13. Cyrtocalpis urceolus, n. sp., × 500 1186 The ovate central capsule exhibits in the lower half the podoconus, in the upper half the spherical nucleus and three oil-globules. Between the capsule and the shell numerous xanthellæ, partly protruded through the shell-mouth along the radiating pseudopodia.

PLATE 51.

Tripocalpida, Phænocalpida et Cyrtocalpida.

Diam. Page.

Fig. 1. Tripterocalpis phylloptera, n. sp., × 400 1138

Fig. 2. Tripterocalpis conoptera, n. sp., × 300 1138

Fig. 3. Tripterocalpis ogmoptera, n. sp., × 300 1138

Fig. 4. Tripterocalpis ogmoptera, n. sp., × 500 1138

A group of confluent pores, more enlarged.

Fig. 5. Tripterocalpis ogmoptera, n. sp., × 300 1138

Central capsule. In the centre the striate podoconus, above it four oil-globules, to the right the nucleus.

Fig. 6. Tripocalpis triserrata, n. sp., × 600 1136

Fig. 7. Tridictyopus conicus, n. sp., × 300 1145

Fig. 8. Tridictyopus vatillum, n. sp., × 400 1145

Fig. 9. Cyrtophormis spiralis, n. sp., × 400 1166

Fig. 10. Archicorys ovata, n. sp., × 300 1185

Fig. 11. Cyrtocalpis gromia, n. sp., × 400 1188

Fig. 12. Archicorys microstoma, n. sp., × 400 1185

Fig. 13. Cyrtocalpis urceolus, n. sp., × 500 1186

The ovate central capsule exhibits in the lower half the podoconus, in the upper half the spherical nucleus and three oil-globules. Between the capsule and the shell numerous xanthellæ, partly protruded through the shell-mouth along the radiating pseudopodia.

PLATE 52.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Tripocalpida, Phænocalpida, Cyrtocalpida et Anthocyrtida.

PLATE 52. Tripocalpida, Phænocalpida, Cyrtocalpida et Anthocyrtida. Diam. Page. Fig. 1. Cyrtophormis pila, n. sp., × 300 1165 Fig. 2. Cyrtophormis ærostatica, n. sp., × 300 1166 Fig. 3. Cyrtophormis ærostatica, n. sp., × 300 1166 Longitudinal section. Fig. 4. Cyrtocalpis sethopora, n. sp., × 600 1187 Fig. 5. Cyrtocalpis lithomitra, n. sp., × 400 1187 Fig. 6. Cyrtocalpis lithomitra, n. sp., × 400 1187 Longitudinal section. Fig. 7. Cyrtocalpis compacta, n. sp., × 400 1187 Fig. 8. Cyrtocalpis compacta, n. sp., × 400 1187 Longitudinal section. Fig. 9. Carpocanistrum flosculum, n. sp., × 400 1171 Fig. 10. Carpocanistrum cephalum, n. sp., × 300 1171 Fig. 11. Carpocanistrum evacuatum, n. sp., × 400 1172 Fig. 12. Carpocanium verecundum, n. sp., × 400 1284 Vertical section through the top of the shell. Fig. 13. Carpocanium verecundum, n. sp., × 400 1284 Fig. 14. Carpocanium irregulare, n. sp., × 400 1284 Fig. 15. Carpocanium hexagonale, n. sp., × 400 1282 Fig. 16. Carpocanium peristomium, n. sp., × 500 1283 Fig. 17. Carpocanium peristomium, n. sp., × 500 1283 Vertical section. Fig. 18. Carpocanium trepanium, n. sp., × 600 1282 Peristome. Fig. 19. Carpocanium petalospyris, n. sp., × 300 1283 Fig. 20. Carpocanium virgineum, n. sp., × 600 1285 Fig. 21. Tripodiscium sphærocephalum, n. sp., × 400 1144 Fig. 22. Tripodiscium tristylospyris, n. sp. (vel Tristylospyris tripodiscium), × 600 1143 Fig. 23. Tripodiscium ramosum, n. sp. (vel Tristylospyris ramosa), × 600 1144

PLATE 52.

Tripocalpida, Phænocalpida, Cyrtocalpida et Anthocyrtida.

Diam. Page.

Fig. 1. Cyrtophormis pila, n. sp., × 300 1165

Fig. 2. Cyrtophormis ærostatica, n. sp., × 300 1166

Fig. 3. Cyrtophormis ærostatica, n. sp., × 300 1166

Longitudinal section.

Fig. 4. Cyrtocalpis sethopora, n. sp., × 600 1187

Fig. 5. Cyrtocalpis lithomitra, n. sp., × 400 1187

Fig. 6. Cyrtocalpis lithomitra, n. sp., × 400 1187

Longitudinal section.

Fig. 7. Cyrtocalpis compacta, n. sp., × 400 1187

Fig. 8. Cyrtocalpis compacta, n. sp., × 400 1187

Longitudinal section.

Fig. 9. Carpocanistrum flosculum, n. sp., × 400 1171

Fig. 10. Carpocanistrum cephalum, n. sp., × 300 1171

Fig. 11. Carpocanistrum evacuatum, n. sp., × 400 1172

Fig. 12. Carpocanium verecundum, n. sp., × 400 1284

Vertical section through the top of the shell.

Fig. 13. Carpocanium verecundum, n. sp., × 400 1284

Fig. 14. Carpocanium irregulare, n. sp., × 400 1284

Fig. 15. Carpocanium hexagonale, n. sp., × 400 1282

Fig. 16. Carpocanium peristomium, n. sp., × 500 1283

Fig. 17. Carpocanium peristomium, n. sp., × 500 1283

Vertical section.

Fig. 18. Carpocanium trepanium, n. sp., × 600 1282

Peristome.

Fig. 19. Carpocanium petalospyris, n. sp., × 300 1283

Fig. 20. Carpocanium virgineum, n. sp., × 600 1285

Fig. 21. Tripodiscium sphærocephalum, n. sp., × 400 1144

Fig. 22. Tripodiscium tristylospyris, n. sp. (vel Tristylospyris tripodiscium), × 600 1143

Fig. 23. Tripodiscium ramosum, n. sp. (vel Tristylospyris ramosa), × 600 1144

PLATE 53.

Legion NASSELLARIA.

Orders SPYROIDEA et CYRTOIDEA.

Families Zygospyrida, Tripocalpida, Phænocalpida et Cyrtocalpida.

PLATE 53. Zygospyrida, Tripocalpida, Phænocalpida et Cyrtocalpida. Diam. Page. Fig. 1. Archicapsa triforis, n. sp., × 300 1191 Lateral view. Fig. 2. Archicapsa triforis, n. sp., × 300 1191 Basal view. Fig. 3. Halicapsa triglochin, n. sp., × 200 1190 Lateral view. Fig. 4. Halicapsa triglochin, n. sp., × 200 1191 Basal view. Fig. 5. Halicapsa hystrix, n. sp., × 200 1191 Lateral view. Fig. 6. Halicapsa hystrix, n. sp., × 200 1191 Basal view. Fig. 7. Cantharospyris platybursa, n. sp. (vel Platybursa compressa), × 400 1051 Fig. 8. Tessarospyris clathrobursa, n. sp. (vel Clathrobursa dictyopus), × 400 1045 Fig. 9. Peridium spinipes, n. sp., × 500 1154 Fig. 10. Peridium palmipes, n. sp., × 500 1154 Fig. 11. Archiscenium quadrispinum, n. sp., × 500 1150 In the spherical central capsule the dark nucleus is visible. Fig. 12. Euscenium eucolpium, n. sp., × 500 1147 Fig. 13. Cladoscenium ancoratum, n. sp., × 400 1149 Fig. 14. Pteroscenium pinnatum, n. sp., × 400 1152 Lateral view. Fig. 15. Pteroscenium pinnatum, n. sp., × 400 1152 Vertical section. Fig. 16. Pteroscenium pinnatum, n. sp., × 400 1152 Basal view. Fig. 17. Calpophæna hexarrhabda, n. sp., × 400 1176 Fig. 18. Calpophæna hexarrhabda, n. sp., × 400 1176 Basal plate. Fig. 19. Tetraspyris tetracorethra, n. sp., × 400 1044 With the four-lobed central capsule, in each lobe an oil-globule. Fig. 20. Tetraspyris tetracorethra, n. sp., × 800 1044 Shell more enlarged.

PLATE 53.

Zygospyrida, Tripocalpida, Phænocalpida et Cyrtocalpida.

Diam. Page.

Fig. 1. Archicapsa triforis, n. sp., × 300 1191

Lateral view.

Fig. 2. Archicapsa triforis, n. sp., × 300 1191

Basal view.

Fig. 3. Halicapsa triglochin, n. sp., × 200 1190

Lateral view.

Fig. 4. Halicapsa triglochin, n. sp., × 200 1191

Basal view.

Fig. 5. Halicapsa hystrix, n. sp., × 200 1191

Lateral view.

Fig. 6. Halicapsa hystrix, n. sp., × 200 1191

Basal view.

Fig. 7. Cantharospyris platybursa, n. sp. (vel Platybursa compressa), × 400 1051

Fig. 8. Tessarospyris clathrobursa, n. sp. (vel Clathrobursa dictyopus), × 400 1045

Fig. 9. Peridium spinipes, n. sp., × 500 1154

Fig. 10. Peridium palmipes, n. sp., × 500 1154

Fig. 11. Archiscenium quadrispinum, n. sp., × 500 1150

In the spherical central capsule the dark nucleus is visible.

Fig. 12. Euscenium eucolpium, n. sp., × 500 1147

Fig. 13. Cladoscenium ancoratum, n. sp., × 400 1149

Fig. 14. Pteroscenium pinnatum, n. sp., × 400 1152

Lateral view.

Fig. 15. Pteroscenium pinnatum, n. sp., × 400 1152

Vertical section.

Fig. 16. Pteroscenium pinnatum, n. sp., × 400 1152

Basal view.

Fig. 17. Calpophæna hexarrhabda, n. sp., × 400 1176

Fig. 18. Calpophæna hexarrhabda, n. sp., × 400 1176

Basal plate.

Fig. 19. Tetraspyris tetracorethra, n. sp., × 400 1044

With the four-lobed central capsule, in each lobe an oil-globule.

Fig. 20. Tetraspyris tetracorethra, n. sp., × 800 1044

Shell more enlarged.

PLATE 54.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Phænocalpida, Cyrtocalpida, Anthocyrtida et Sethocyrtida.

PLATE 54. Phænocalpida, Cyrtocalpida, Anthocyrtida et Sethocyrtida. Diam. Page. Fig. 1. Bathropyramis quadrata, n. sp., × 300 1159 Fig. 2. Sethopyramis quadrata, n. sp., × 300 1254 Fig. 3. Bathropyramis trapezoides, n. sp., × 300 1160 Fig. 4. Bathropyramis ramosa, n. sp., × 300 1161 Fig. 5. Peripyramis circumtexta, n. sp., × 300 1162 Fig. 6. Plectopyramis dodecomma, n. sp., × 400 1258 Fig. 7. Cinclopyramis infundibulum, n. sp., × 300 1161 Fig. 8. Plectopyramis trapezomma, n. sp., × 400 1258 Fig. 9. Cornutella hexagona, n. sp., × 400 1180 Fig. 10. Cornutella sethoconus, n. sp., × 400 1180 Fig. 11. Sethoconus orthoceras, n. sp., × 400 1294 Fig. 12. Sethoconus bimarginatus, n. sp., × 400 1295

PLATE 54.

Phænocalpida, Cyrtocalpida, Anthocyrtida et Sethocyrtida.

Diam. Page.

Fig. 1. Bathropyramis quadrata, n. sp., × 300 1159

Fig. 2. Sethopyramis quadrata, n. sp., × 300 1254

Fig. 3. Bathropyramis trapezoides, n. sp., × 300 1160

Fig. 4. Bathropyramis ramosa, n. sp., × 300 1161

Fig. 5. Peripyramis circumtexta, n. sp., × 300 1162

Fig. 6. Plectopyramis dodecomma, n. sp., × 400 1258

Fig. 7. Cinclopyramis infundibulum, n. sp., × 300 1161

Fig. 8. Plectopyramis trapezomma, n. sp., × 400 1258

Fig. 9. Cornutella hexagona, n. sp., × 400 1180

Fig. 10. Cornutella sethoconus, n. sp., × 400 1180

Fig. 11. Sethoconus orthoceras, n. sp., × 400 1294

Fig. 12. Sethoconus bimarginatus, n. sp., × 400 1295

PLATE 55.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Phænocalpida, Anthocyrtida et Sethocyrtida.

PLATE 55. Phænocalpida, Anthocyrtida et Sethocyrtida. Diam. Page. Fig. 1. Sethoconus facetus, n. sp. (vel Phlebarachnium facetum), × 300 1296 Upper part of the shell. Fig. 2. Sethoconus venosus, n. sp. (vel Phlebarachnium venosum), × 250 1297 Shell including the four-lobed central capsule. Fig. 3. Sethophormis aurelia, n. sp. (vel Leptarachnium aurelia), × 100 1248 Shell seen from above. Fig. 4. Sethophormis aurelia, n. sp., × 400 1248 Cephalis more enlarged, with the enclosed four-lobed central capsule. Fig. 5. Cladarachnium ramosum, n. sp., × 300 1165 Apical view. Fig. 6. Cladarachnium ramosum, n. sp., × 70 1165 Lateral view. Fig. 7. Bathropyramis interrupta, n. sp., × 300 1160 Apical part of the shell, from above. Fig. 8. Litharachnium araneosum, n. sp., × 300 1163 Apical part of the shell, from above. Fig. 9. Litharachnium epeira, n. sp., × 500 1164 Oblique view of the shell. Fig. 10. Litharachnium araneosum, n. sp., × 50 1163 Lateral view. Fig. 11. Periarachnium periplectum, n. sp., × 500 1297 Shell enclosing the trilobed central capsule.

PLATE 55.

Phænocalpida, Anthocyrtida et Sethocyrtida.

Diam. Page.

Fig. 1. Sethoconus facetus, n. sp. (vel Phlebarachnium facetum), × 300 1296

Upper part of the shell.

Fig. 2. Sethoconus venosus, n. sp. (vel Phlebarachnium venosum), × 250 1297

Shell including the four-lobed central capsule.

Fig. 3. Sethophormis aurelia, n. sp. (vel Leptarachnium aurelia), × 100 1248

Shell seen from above.

Fig. 4. Sethophormis aurelia, n. sp., × 400 1248

Cephalis more enlarged, with the enclosed four-lobed central capsule.

Fig. 5. Cladarachnium ramosum, n. sp., × 300 1165

Apical view.

Fig. 6. Cladarachnium ramosum, n. sp., × 70 1165

Lateral view.

Fig. 7. Bathropyramis interrupta, n. sp., × 300 1160

Apical part of the shell, from above.

Fig. 8. Litharachnium araneosum, n. sp., × 300 1163

Apical part of the shell, from above.

Fig. 9. Litharachnium epeira, n. sp., × 500 1164

Oblique view of the shell.

Fig. 10. Litharachnium araneosum, n. sp., × 50 1163

Lateral view.

Fig. 11. Periarachnium periplectum, n. sp., × 500 1297

Shell enclosing the trilobed central capsule.

PLATE 56.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Tripocyrtida, Anthocyrtida et Sethocyrtida.

PLATE 56. Tripocyrtida, Anthocyrtida et Sethocyrtida. Diam. Page. Fig. 1. Lithomelissa bütschlii, n. sp. (vel Sethomelissa bütschlii), × 400 1207 Fig. 2. Lithomelissa decacantha, n. sp. (vel Sethomelissa decacantha), × 400 1208 Fig. 3. Psilomelissa calvata, n. sp., × 400 1209 The cephalis alone, with the three collar beams. Fig. 4. Lychnodictyum scaphopodium, n. sp., × 400 1231 Fig. 5. Sethophormis pentalactis, n. sp. (vel Pentaphormis pentalactis), × 400 1244 Oblique view of the shell, from below. Fig. 6. Sethophormis hexalactis, n. sp. (vel Hexaphormis hexalactis), × 400 1245 Central part of the shell, with the cortinar septum. Fig. 7. Sethopyramis enneactis, n. sp. (vel Cephalopyramis enneactis), × 400 1254 Fig. 8. Plectopyramis polypleura, n. sp. (vel Sethopyramis polypleura), × 200 1260 Fig. 9. Sethophormis eupilium, n. sp. (vel Craspedilium eupilium), × 400 1247 Fig. 10. Plectopyramis spongiosa, n. sp. (vel Spongopyramis spongiosa), × 400 1261 Fig. 11. Arachnocorys araneosa, n. sp., × 500 1266 Fig. 12. Sethophormis dodecaster, n. sp. (vel Astrophormis dodecaster), × 200 1248 Fig. 13. Sethocephalus eucecryphalus, n. sp., × 400 1298

PLATE 56.

Tripocyrtida, Anthocyrtida et Sethocyrtida.

Diam. Page.

Fig. 1. Lithomelissa bütschlii, n. sp. (vel Sethomelissa bütschlii), × 400 1207

Fig. 2. Lithomelissa decacantha, n. sp. (vel Sethomelissa decacantha), × 400 1208

Fig. 3. Psilomelissa calvata, n. sp., × 400 1209

The cephalis alone, with the three collar beams.

Fig. 4. Lychnodictyum scaphopodium, n. sp., × 400 1231

Fig. 5. Sethophormis pentalactis, n. sp. (vel Pentaphormis pentalactis), × 400 1244

Oblique view of the shell, from below.

Fig. 6. Sethophormis hexalactis, n. sp. (vel Hexaphormis hexalactis), × 400 1245

Central part of the shell, with the cortinar septum.

Fig. 7. Sethopyramis enneactis, n. sp. (vel Cephalopyramis enneactis), × 400 1254

Fig. 8. Plectopyramis polypleura, n. sp. (vel Sethopyramis polypleura), × 200 1260

Fig. 9. Sethophormis eupilium, n. sp. (vel Craspedilium eupilium), × 400 1247

Fig. 10. Plectopyramis spongiosa, n. sp. (vel Spongopyramis spongiosa), × 400 1261

Fig. 11. Arachnocorys araneosa, n. sp., × 500 1266

Fig. 12. Sethophormis dodecaster, n. sp. (vel Astrophormis dodecaster), × 200 1248

Fig. 13. Sethocephalus eucecryphalus, n. sp., × 400 1298

PLATE 57.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families TRIPOCYRTIDA, ANTHOCYRTIDA et SETHOCYRTIDA.

PLATE 57. TRIPOCYRTIDA, ANTHOCYRTIDA et SETHOCYRTIDA. Diam. Page. Fig. 1. Dicolocapsa microcephala, n. sp., × 400 1312 Fig. 2. Sethocapsa pyriformis, n. sp., × 300 1310 Fig. 3. Lithopera ananassa, n. sp., × 500 1234 Fig. 4. Sethamphora favosa, n. sp. (vel Cryptoprora favosa), × 400 1252 Fig. 5. Sethamphora microstoma, n. sp. (vel Cryptoprora microstoma), × 300 1252 Fig. 6. Clistophæna hexolena, n. sp., × 300 1287 Fig. 7. Clistophæna armata, n. sp., × 300 1288 Fig. 8. Clathromitra pterophormis, n. sp., × 400 1219 Fig. 9. Sethophormis rotula, n. sp. (vel Enneaphormis rotula), × 400 1246 Fig. 10. Dictyophimus sphærocephalus, n. sp., × 400 1195 Fig. 11. Peromelissa phalacra, n. sp., × 400 1236 Fig. 12. Peromelissa calva, n. sp., × 300 1237 Fig. 13. Sethochytris triconiscus, n. sp., × 300 1239 Fig. 14. Micromelissa bombus, n. sp., × 300 1235

PLATE 57.

TRIPOCYRTIDA, ANTHOCYRTIDA et SETHOCYRTIDA.

Diam. Page.

Fig. 1. Dicolocapsa microcephala, n. sp., × 400 1312

Fig. 2. Sethocapsa pyriformis, n. sp., × 300 1310

Fig. 3. Lithopera ananassa, n. sp., × 500 1234

Fig. 4. Sethamphora favosa, n. sp. (vel Cryptoprora favosa), × 400 1252

Fig. 5. Sethamphora microstoma, n. sp. (vel Cryptoprora microstoma), × 300 1252

Fig. 6. Clistophæna hexolena, n. sp., × 300 1287

Fig. 7. Clistophæna armata, n. sp., × 300 1288

Fig. 8. Clathromitra pterophormis, n. sp., × 400 1219

Fig. 9. Sethophormis rotula, n. sp. (vel Enneaphormis rotula), × 400 1246

Fig. 10. Dictyophimus sphærocephalus, n. sp., × 400 1195

Fig. 11. Peromelissa phalacra, n. sp., × 400 1236

Fig. 12. Peromelissa calva, n. sp., × 300 1237

Fig. 13. Sethochytris triconiscus, n. sp., × 300 1239

Fig. 14. Micromelissa bombus, n. sp., × 300 1235

PLATE 58.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Tripocyrtida, Sethocyrtida, Phormocyrtida et Theocyrtida.

PLATE 58. Tripocyrtida, Sethocyrtida, Phormocyrtida et Theocyrtida. Diam. Page. Fig. 1. Cecryphalium sestrodiscus, n. sp., × 400 1399 Apical view. Fig. 2. Cecryphalium lamprodiscus, n. sp., × 400 1398 Apical view. Fig. 3. Clathrocyclas coscinodiscus, n. sp., × 400 1389 Apical view. Fig. 4. Clathrocyclas coscinodiscus, n. sp., × 700 1389 The cephalis alone, with the two horns. Fig. 5. Clathrocyclas semeles, n. sp., × 400 1388 Lateral view. Fig. 6. Sethoconus capreolus, n. sp., × 400 1291 Lateral view. Fig. 7. Lampromitra quadricuspis, n. sp., × 400 1214 Apical view. Fig. 8. Lampromitra furcata, n. sp., × 400 1215 The collar septum after removal of the cephalis. Fig. 9. Lampromitra dendrocorona, n. sp., × 400 1216 Apical view.

PLATE 58.

Tripocyrtida, Sethocyrtida, Phormocyrtida et Theocyrtida.

Diam. Page.

Fig. 1. Cecryphalium sestrodiscus, n. sp., × 400 1399

Apical view.

Fig. 2. Cecryphalium lamprodiscus, n. sp., × 400 1398

Apical view.

Fig. 3. Clathrocyclas coscinodiscus, n. sp., × 400 1389

Apical view.

Fig. 4. Clathrocyclas coscinodiscus, n. sp., × 700 1389

The cephalis alone, with the two horns.

Fig. 5. Clathrocyclas semeles, n. sp., × 400 1388

Lateral view.

Fig. 6. Sethoconus capreolus, n. sp., × 400 1291

Lateral view.

Fig. 7. Lampromitra quadricuspis, n. sp., × 400 1214

Apical view.

Fig. 8. Lampromitra furcata, n. sp., × 400 1215

The collar septum after removal of the cephalis.

Fig. 9. Lampromitra dendrocorona, n. sp., × 400 1216

Apical view.

PLATE 59.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Tripocyrtida, Podocyrtida et Phormocyrtida.

PLATE 59. Tripocyrtida, Podocyrtida et Phormocyrtida. Diam. Page. Fig. 1. Lampromitra huxleyi, n. sp., × 400 1215 Fig. 2. Amphiplecta callistoma, n. sp., × 400 1224 Fig. 3. Corocalyptra agnesæ, n. sp., × 400 1323 Fig. 4. Corocalyptra emmæ, n. sp., × 400 1323 The shell encloses the trilobate central capsule, with the trilobate nucleus. Fig. 5. Clathrocyclas cassiopejæ, n. sp., × 400 1390 Fig. 6. Clathrocyclas alcmenæ, n. sp., × 400 1388 Fig. 7. Clathrocyclas latonæ, n. sp., × 400 1389 Apical view. Fig. 8. Diplocylas bicorona, n. sp., × 400 1392 Fig. 9. Clathrocyclas ionis, n. sp., × 400 1389 Fig. 10. Corocalyptra elisabethæ, n. sp., × 400 1323 Oblique apical view of the shell, with the quadrilobate central capsule enclosed. Fig. 11. Clathrocyclas europæ, n. sp., × 400 1388 Apical view of the shell, after removal of the cephalis. Fig. 12. Clathrocyclas europæ, n. sp., × 400 1388 Central capsule, seen from above, with the quadrilobate nucleus. Fig. 13. Clathrocyclas danaës, n. sp., × 300 1388 Vertical section through the cephalis and the quadrilobate central capsule, with the quadrilobate nucleus. Fig. 14. Clathrocyclas danaës, n. sp., × 300 1388 Apical view of the shell.

PLATE 59.

Tripocyrtida, Podocyrtida et Phormocyrtida.

Diam. Page.

Fig. 1. Lampromitra huxleyi, n. sp., × 400 1215

Fig. 2. Amphiplecta callistoma, n. sp., × 400 1224

Fig. 3. Corocalyptra agnesæ, n. sp., × 400 1323

Fig. 4. Corocalyptra emmæ, n. sp., × 400 1323

The shell encloses the trilobate central capsule, with the trilobate nucleus.

Fig. 5. Clathrocyclas cassiopejæ, n. sp., × 400 1390

Fig. 6. Clathrocyclas alcmenæ, n. sp., × 400 1388

Fig. 7. Clathrocyclas latonæ, n. sp., × 400 1389

Apical view.

Fig. 8. Diplocylas bicorona, n. sp., × 400 1392

Fig. 9. Clathrocyclas ionis, n. sp., × 400 1389

Fig. 10. Corocalyptra elisabethæ, n. sp., × 400 1323

Oblique apical view of the shell, with the quadrilobate central capsule enclosed.

Fig. 11. Clathrocyclas europæ, n. sp., × 400 1388

Apical view of the shell, after removal of the cephalis.

Fig. 12. Clathrocyclas europæ, n. sp., × 400 1388

Central capsule, seen from above, with the quadrilobate nucleus.

Fig. 13. Clathrocyclas danaës, n. sp., × 300 1388

Vertical section through the cephalis and the quadrilobate central capsule, with the quadrilobate nucleus.

Fig. 14. Clathrocyclas danaës, n. sp., × 300 1388

Apical view of the shell.

PLATE 60.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family Tripocyrtida.

PLATE 60. Tripocyrtida. Diam. Page. Fig. 1. Dictyophimus cienkowskii, n. sp. (vel Lamprotripus squarrosus), × 300 1200 Shell seen from the side. Fig. 2. Dictyophimus bütschlii, n. sp. (vel Lamprotripus horridus), × 300 1201 Fig. 3. Dictyophimus hertwigii, n. sp. (vel Lamprotripus spinosus), × 400 1201 The cephalis of the shell includes the central capsule, with three lobes depending in the pyramidal thorax. Fig. 4. Dictyophimus platycephalus, n. sp., × 400 1198 Central capsule with four thoracic lobes, each of which contains an oil-globule; kidney-shaped nucleus in the cephalic lobe. Fig. 5. Dictyophimus platycephalus, n. sp., × 400 1198 Shell seen from the side. Fig. 6. Dictyophimus brandtii, n. sp., × 300 1198 Shell seen from the base, with the four large pores of the collar septum, two minor jugular and two major cardinal pores. Fig. 7. Lampromitra coronata, n. sp., × 400 1214 Shell seen from below, with the quadrilobate central capsule. Fig. 7a. A portion of the shell-margin, × 800 1214 Fig. 8. Lampromitra arborescens, n. sp., × 400 1216 Shell from above. Fig. 8a. The collar septum with the four crossed rods of the cortina, × 400 1216 Fig. 9. Tripocyrtis plectaniscus, n. sp., × 400 1202 Fig. 10. Tripocyrtis plagoniscus, n. sp., × 400 1201

PLATE 60.

Tripocyrtida.

Diam. Page.

Fig. 1. Dictyophimus cienkowskii, n. sp. (vel Lamprotripus squarrosus), × 300 1200

Shell seen from the side.

Fig. 2. Dictyophimus bütschlii, n. sp. (vel Lamprotripus horridus), × 300 1201

Fig. 3. Dictyophimus hertwigii, n. sp. (vel Lamprotripus spinosus), × 400 1201

The cephalis of the shell includes the central capsule, with three lobes depending in the pyramidal thorax.

Fig. 4. Dictyophimus platycephalus, n. sp., × 400 1198

Central capsule with four thoracic lobes, each of which contains an oil-globule; kidney-shaped nucleus in the cephalic lobe.

Fig. 5. Dictyophimus platycephalus, n. sp., × 400 1198

Shell seen from the side.

Fig. 6. Dictyophimus brandtii, n. sp., × 300 1198

Shell seen from the base, with the four large pores of the collar septum, two minor jugular and two major cardinal pores.

Fig. 7. Lampromitra coronata, n. sp., × 400 1214

Shell seen from below, with the quadrilobate central capsule.

Fig. 7a. A portion of the shell-margin, × 800 1214

Fig. 8. Lampromitra arborescens, n. sp., × 400 1216

Shell from above.

Fig. 8a. The collar septum with the four crossed rods of the cortina, × 400 1216

Fig. 9. Tripocyrtis plectaniscus, n. sp., × 400 1202

Fig. 10. Tripocyrtis plagoniscus, n. sp., × 400 1201

PLATE 61.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family Tripocyrtida.

PLATE 61. Tripocyrtida. Diam. Page. Fig. 1. Dictyophimus cortina, n. sp., × 400 1197 Fig. 2. Lychnocanium pudicum, n. sp., × 200 1230 Fig. 3. Dictyophimus longipes, n. sp., × 400 1197 Fig. 4. Lychnocanium clavigerum, n. sp., × 300 1230 Fig. 5. Dictyophimus lasanum, n. sp., × 300 1197 Fig. 6. Lychnocanium favosum, n. sp., × 300 1225 Fig. 7. Lychnocanium lanterna, n. sp., × 300 1224 Fig. 8. Dictyophimus plectaniscus, n. sp., × 300 1196 Apical view. Fig. 9. Dictyophimus plectaniscus, n. sp., × 300 1196 Lateral view. Fig. 10. Lychnocanium fenestratum, n. sp., × 400 1228 Fig. 11. Lychnocanium pyriforme, n. sp., × 300 1225 Fig. 12. Lychnocanium fortipes, n. sp., × 300 1227 Fig. 13. Lychnocanium tuberosum, n. sp., × 300 1227 Fig. 14. Lychnocanium nodosum, n. sp., × 300 1225 Fig. 15. Lychnocanium sigmopodium, n. sp., × 400 1228 Fig. 16. Dictyophimus pyramis, n. sp., × 300 1196 Fig. 17. Dictyophimus triserratus, n. sp., × 300 1200

PLATE 61.

Tripocyrtida.

Diam. Page.

Fig. 1. Dictyophimus cortina, n. sp., × 400 1197

Fig. 2. Lychnocanium pudicum, n. sp., × 200 1230

Fig. 3. Dictyophimus longipes, n. sp., × 400 1197

Fig. 4. Lychnocanium clavigerum, n. sp., × 300 1230

Fig. 5. Dictyophimus lasanum, n. sp., × 300 1197

Fig. 6. Lychnocanium favosum, n. sp., × 300 1225

Fig. 7. Lychnocanium lanterna, n. sp., × 300 1224

Fig. 8. Dictyophimus plectaniscus, n. sp., × 300 1196

Apical view.

Fig. 9. Dictyophimus plectaniscus, n. sp., × 300 1196

Lateral view.

Fig. 10. Lychnocanium fenestratum, n. sp., × 400 1228

Fig. 11. Lychnocanium pyriforme, n. sp., × 300 1225

Fig. 12. Lychnocanium fortipes, n. sp., × 300 1227

Fig. 13. Lychnocanium tuberosum, n. sp., × 300 1227

Fig. 14. Lychnocanium nodosum, n. sp., × 300 1225

Fig. 15. Lychnocanium sigmopodium, n. sp., × 400 1228

Fig. 16. Dictyophimus pyramis, n. sp., × 300 1196

Fig. 17. Dictyophimus triserratus, n. sp., × 300 1200

PLATE 62.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Anthocyrtida, Sethocyrtida et Phormocyrtida.

PLATE 62. Anthocyrtida, Sethocyrtida et Phormocyrtida. Diam. Page. Fig. 1. Dictyocephalus australis, n. sp., × 300 1306 Fig. 2. Dictyocephalus mediterraneus, n. sp., × 300 1307 Fig. 3. Sethamphora costata, n. sp. (vel Dictyocephalus costatus), × 300 1251 Fig. 4. Dictyocephalus amphora, n. sp., × 400 1305 Fig. 5. Cycladophora (?) favosa, n. sp. (an Dictyocephalus?), × 400 1380 Fig. 6. Cycladophora (?) favosa, n. sp. (an Dictyocephalus?), × 400 1380 A variety with obliterated ribs (?). Fig. 7. Dictyocephalus globiceps, n. sp., × 400 1308 Fig. 8. Sethocorys achillis, n. sp., × 400 1301 Fig. 9. Sethocyrtis oxycephalis, n. sp., × 400 1299 Fig. 10. Sethocorys odysseus, n. sp., × 400 1302 Fig. 11. Sethocyrtis agamemnonis, n. sp., × 300 1300 Seen from above (apical view). Fig. 11A. Sethocyrtis agamemnonis, n. sp., × 300 1300 Seen from above, after removal of the cephalis. Fig. 12. Anthocyrtium pyrum, n. sp., × 400 1276 Fig. 13. Anthocyrtis ovata, n. sp., × 300 1272 Fig. 14. Anthocyrtium chrysanthemum, n. sp × 400 1272 Fig. 15. Anthocyrtidium ligularia, n. sp., × 400 1278 Fig. 16. Anthocyrtidium cineraria, n. sp., × 400 1278 Fig. 17. Anthocyrtium campanula, n. sp., × 400 1274 Fig. 18. Anthocyrtium doronicum, n. sp., × 300 1276 Fig. 19. Anthocyrtium flosculus, n. sp., × 300 1277 Fig. 20. Anthocyrtium adonis, n. sp., × 300 1273 Fig. 21. Sethoconus anthocyrtis, n. sp. (vel Anthocyrtium sethoconium), × 300 1296

PLATE 62.

Anthocyrtida, Sethocyrtida et Phormocyrtida.

Diam. Page.

Fig. 1. Dictyocephalus australis, n. sp., × 300 1306

Fig. 2. Dictyocephalus mediterraneus, n. sp., × 300 1307

Fig. 3. Sethamphora costata, n. sp. (vel Dictyocephalus costatus), × 300 1251

Fig. 4. Dictyocephalus amphora, n. sp., × 400 1305

Fig. 5. Cycladophora (?) favosa, n. sp. (an Dictyocephalus?), × 400 1380

Fig. 6. Cycladophora (?) favosa, n. sp. (an Dictyocephalus?), × 400 1380

A variety with obliterated ribs (?).

Fig. 7. Dictyocephalus globiceps, n. sp., × 400 1308

Fig. 8. Sethocorys achillis, n. sp., × 400 1301

Fig. 9. Sethocyrtis oxycephalis, n. sp., × 400 1299

Fig. 10. Sethocorys odysseus, n. sp., × 400 1302

Fig. 11. Sethocyrtis agamemnonis, n. sp., × 300 1300

Seen from above (apical view).

Fig. 11A. Sethocyrtis agamemnonis, n. sp., × 300 1300

Seen from above, after removal of the cephalis.

Fig. 12. Anthocyrtium pyrum, n. sp., × 400 1276

Fig. 13. Anthocyrtis ovata, n. sp., × 300 1272

Fig. 14. Anthocyrtium chrysanthemum, n. sp × 400 1272

Fig. 15. Anthocyrtidium ligularia, n. sp., × 400 1278

Fig. 16. Anthocyrtidium cineraria, n. sp., × 400 1278

Fig. 17. Anthocyrtium campanula, n. sp., × 400 1274

Fig. 18. Anthocyrtium doronicum, n. sp., × 300 1276

Fig. 19. Anthocyrtium flosculus, n. sp., × 300 1277

Fig. 20. Anthocyrtium adonis, n. sp., × 300 1273

Fig. 21. Sethoconus anthocyrtis, n. sp. (vel Anthocyrtium sethoconium), × 300 1296

PLATE 63.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family Tripocyrtida.

PLATE 63. Tripocyrtida. Diam. Page. Fig. 1. Callimitra carolotæ, n. sp., × 400 1217 Lateral view. Fig. 2. Callimitra annæ, n. sp., × 400 1217 Dorsal view. Fig. 3. Callimitra emmæ, n. sp., × 300 1218 Lateral view. Fig. 4. Callimitra emmæ, n. sp., × 400 1218 Cephalis alone, with the enclosed four-lobed central capsule, and the internal four divergent beams; surrounded by some scattered xanthellæ. Fig. 5. Callimitra agnesæ, n. sp., × 400 1217 Dorsal view. Fig. 6. Callimitra elisabethæ, n. sp., × 400 1218 Lateral view. Fig. 7. Callimitra carolotæ, n. sp., × 200 1217 Seen from above (from the apical pole). Fig. 8. Callimitra carolotæ, n. sp., × 200 1217 Seen from below (from the basal pole).

PLATE 63.

Tripocyrtida.

Diam. Page.

Fig. 1. Callimitra carolotæ, n. sp., × 400 1217

Lateral view.

Fig. 2. Callimitra annæ, n. sp., × 400 1217

Dorsal view.

Fig. 3. Callimitra emmæ, n. sp., × 300 1218

Lateral view.

Fig. 4. Callimitra emmæ, n. sp., × 400 1218

Cephalis alone, with the enclosed four-lobed central capsule, and the internal four divergent beams; surrounded by some scattered xanthellæ.

Fig. 5. Callimitra agnesæ, n. sp., × 400 1217

Dorsal view.

Fig. 6. Callimitra elisabethæ, n. sp., × 400 1218

Lateral view.

Fig. 7. Callimitra carolotæ, n. sp., × 200 1217

Seen from above (from the apical pole).

Fig. 8. Callimitra carolotæ, n. sp., × 200 1217

Seen from below (from the basal pole).

PLATE 64.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Tripocyrtida et Podocyrtida.

PLATE 64. Tripocyrtida et Podocyrtida. Diam. Page. Fig. 1. Clathrocanium sphærocephalum, n. sp., × 600 1211 Fig. 2. Clathrocanium diadema, n. sp., × 600 1212 Fig. 3. Clathrocanium triomma, n. sp., × 600 1211 Fig. 4. Clathrocanium reginæ, n. sp., × 600 1212 Fig. 5. Clathrolychnus araneosus, n. sp., × 600 1240 Fig. 6. Clathrolychnus periplectus, n. sp., × 600 1241 Fig. 7. Pteropilium clathrocanium, n. sp., × 400 1327 Fig. 8. Clathrocorys murrayi, n. sp., × 600 1219 Fig. 9. Clathrocorys giltschii, n. sp., × 600 1220 Fig. 10. Clathrocorys teuscheri, n. sp., × 600 1220

PLATE 64.

Tripocyrtida et Podocyrtida.

Diam. Page.

Fig. 1. Clathrocanium sphærocephalum, n. sp., × 600 1211

Fig. 2. Clathrocanium diadema, n. sp., × 600 1212

Fig. 3. Clathrocanium triomma, n. sp., × 600 1211

Fig. 4. Clathrocanium reginæ, n. sp., × 600 1212

Fig. 5. Clathrolychnus araneosus, n. sp., × 600 1240

Fig. 6. Clathrolychnus periplectus, n. sp., × 600 1241

Fig. 7. Pteropilium clathrocanium, n. sp., × 400 1327

Fig. 8. Clathrocorys murrayi, n. sp., × 600 1219

Fig. 9. Clathrocorys giltschii, n. sp., × 600 1220

Fig. 10. Clathrocorys teuscheri, n. sp., × 600 1220

PLATE 65.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family Phormocyrtida.

PLATE 65. Phormocyrtida. Diam. Page. Fig. 1. Alacorys friderici, n. sp. (vel Hexalacorys friderici), × 400 1372 The central capsule, enclosed in the fenestrated shell, exhibits in its lower half four large club-shaped lobes, each of which includes in its upper part a large oil-globule. The uppermost, undivided part of the capsule includes the nucleus, which protrudes four small nuclear lobes through the four holes of the cortinar septum into the thorax. Numerous long pseudopodia arise from the granular sarcomatrix, which the capsule surrounds, and pass through the pores of the siliceous shell. Fig. 2. Alacorys guilelmi, n. sp. (vel Hexalacorys guilelmi), × 300 1372 Fig. 3. Alacorys bismarckii, n. sp. (vel Pentalacorys bismarckii), × 200 1372 Fig. 4. Alacorys lutheri, n. sp. (vel Tetralacorys lutheri), × 400 1370 Fig. 5. Cycladophora goetheana, n. sp. (vel Lampterium goetheanum), × 300 1376

PLATE 65.

Phormocyrtida.

Diam. Page.

Fig. 1. Alacorys friderici, n. sp. (vel Hexalacorys friderici), × 400 1372

The central capsule, enclosed in the fenestrated shell, exhibits in its lower half four large club-shaped lobes, each of which includes in its upper part a large oil-globule. The uppermost, undivided part of the capsule includes the nucleus, which protrudes four small nuclear lobes through the four holes of the cortinar septum into the thorax. Numerous long pseudopodia arise from the granular sarcomatrix, which the capsule surrounds, and pass through the pores of the siliceous shell.

Fig. 2. Alacorys guilelmi, n. sp. (vel Hexalacorys guilelmi), × 300 1372

Fig. 3. Alacorys bismarckii, n. sp. (vel Pentalacorys bismarckii), × 200 1372

Fig. 4. Alacorys lutheri, n. sp. (vel Tetralacorys lutheri), × 400 1370

Fig. 5. Cycladophora goetheana, n. sp. (vel Lampterium goetheanum), × 300 1376

PLATE 66.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family Theocyrtida.

PLATE 66. Theocyrtida. Diam. Page. Fig. 1. Tricolocapsa theophrasti, n. sp., × 400 1432 Fig. 2. Tricolocapsa schleidenii, n. sp., × 300 1433 Fig. 3. Tricolocapsa dioscoridis, n. sp., × 300 1432 Fig. 4. Tricolocapsa decandollei, n. sp., × 300 1433 Fig. 5. Tricolocapsa linnæi, n. sp., × 400 1432 Fig. 6. Theocapsa aristotelis, n. sp., × 300 1427 Fig. 7. Theocapsa mülleri, n. sp., × 400 1431 Fig. 8. Theocapsa democriti, n. sp., × 400 1427 Fig. 9. Theocapsa forskalii, n. sp., × 400 1429 Fig. 10. Theocapsa cuvieri, n. sp., × 400 1430 Fig. 11. Theocapsa wottonis, n. sp., × 400 1428 Fig. 12. Theocapsa darwinii, n. sp., × 300 1431 Fig. 13. Theocapsa linnæi, n. sp., × 400 1429 Fig. 14. Theocapsa wolffii, n. sp., × 400 1429 Fig. 15. Theocapsa malpighii, n. sp., × 400 1428 Fig. 16. Theocapsa lamarckii, n. sp., × 400 1430 Fig. 17. Tricolocampe amphizona, n. sp., × 400 1413 Fig. 18. Theocampe collaris, n. sp., × 300 1425 Fig. 19. Tricolocampe polyzona, n. sp., × 400 1412 Fig. 20. Tricolocampe stenozona, n. sp., × 400 1413 Fig. 21. Tricolocampe cylindrica, n. sp., × 300 1412 Fig. 22. Tricolocampe urnula, n. sp., × 400 1422 Fig. 23. Theocampe stenostoma, n. sp., × 300 1423 Fig. 24. Theocampe costata, n. sp., × 300 1424 Fig. 25. Theocampe sphærothorax, n. sp., × 300 1424

PLATE 66.

Theocyrtida.

Diam. Page.

Fig. 1. Tricolocapsa theophrasti, n. sp., × 400 1432

Fig. 2. Tricolocapsa schleidenii, n. sp., × 300 1433

Fig. 3. Tricolocapsa dioscoridis, n. sp., × 300 1432

Fig. 4. Tricolocapsa decandollei, n. sp., × 300 1433

Fig. 5. Tricolocapsa linnæi, n. sp., × 400 1432

Fig. 6. Theocapsa aristotelis, n. sp., × 300 1427

Fig. 7. Theocapsa mülleri, n. sp., × 400 1431

Fig. 8. Theocapsa democriti, n. sp., × 400 1427

Fig. 9. Theocapsa forskalii, n. sp., × 400 1429

Fig. 10. Theocapsa cuvieri, n. sp., × 400 1430

Fig. 11. Theocapsa wottonis, n. sp., × 400 1428

Fig. 12. Theocapsa darwinii, n. sp., × 300 1431

Fig. 13. Theocapsa linnæi, n. sp., × 400 1429

Fig. 14. Theocapsa wolffii, n. sp., × 400 1429

Fig. 15. Theocapsa malpighii, n. sp., × 400 1428

Fig. 16. Theocapsa lamarckii, n. sp., × 400 1430

Fig. 17. Tricolocampe amphizona, n. sp., × 400 1413

Fig. 18. Theocampe collaris, n. sp., × 300 1425

Fig. 19. Tricolocampe polyzona, n. sp., × 400 1412

Fig. 20. Tricolocampe stenozona, n. sp., × 400 1413

Fig. 21. Tricolocampe cylindrica, n. sp., × 300 1412

Fig. 22. Tricolocampe urnula, n. sp., × 400 1422

Fig. 23. Theocampe stenostoma, n. sp., × 300 1423

Fig. 24. Theocampe costata, n. sp., × 300 1424

Fig. 25. Theocampe sphærothorax, n. sp., × 300 1424

PLATE 67.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family Podocyrtida.

PLATE 67. Podocyrtida. Diam. Page. Fig. 1. Lithornithium falco, n. sp., × 400 1355 Fig. 2. Lithornithium fringilla, n. sp., × 400 1355 Fig. 3. Lithornithium ciconia, n. sp., × 400 1354 Fig. 4. Lithornithium trochilus, n. sp., × 400 1355 Fig. 5. Theopera fusiformis, n. sp., × 400 1357 Fig. 6. Theopera chytropus, n. sp., × 400 1358 Fig. 7. Theopera prismatica, n. sp., × 300 1357 Fig. 8. Theopera cortina, n. sp., × 400 1358 Fig. 9. Rhopalocanium delphicum, n. sp., × 400 1360 Fig. 10. Rhopalocanium lasanum, n. sp., × 300 1359 Fig. 11. Lithochytris lanterna, n. sp., × 300 1364 Fig. 12. Lithochytris cortina, n. sp., × 300 1362 Fig. 13. Lithochytris pyriformis, n. sp., × 400 1362 Fig. 14. Lithochytris lucerna, n. sp., × 300 1364 Fig. 15. Lithochytris pteropus, n. sp., × 300 1364 Fig. 16. Lithochytris galeata, n. sp., × 400 1363

PLATE 67.

Podocyrtida.

Diam. Page.

Fig. 1. Lithornithium falco, n. sp., × 400 1355

Fig. 2. Lithornithium fringilla, n. sp., × 400 1355

Fig. 3. Lithornithium ciconia, n. sp., × 400 1354

Fig. 4. Lithornithium trochilus, n. sp., × 400 1355

Fig. 5. Theopera fusiformis, n. sp., × 400 1357

Fig. 6. Theopera chytropus, n. sp., × 400 1358

Fig. 7. Theopera prismatica, n. sp., × 300 1357

Fig. 8. Theopera cortina, n. sp., × 400 1358

Fig. 9. Rhopalocanium delphicum, n. sp., × 400 1360

Fig. 10. Rhopalocanium lasanum, n. sp., × 300 1359

Fig. 11. Lithochytris lanterna, n. sp., × 300 1364

Fig. 12. Lithochytris cortina, n. sp., × 300 1362

Fig. 13. Lithochytris pyriformis, n. sp., × 400 1362

Fig. 14. Lithochytris lucerna, n. sp., × 300 1364

Fig. 15. Lithochytris pteropus, n. sp., × 300 1364

Fig. 16. Lithochytris galeata, n. sp., × 400 1363

PLATE 68.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Podocyrtida, Phormocyrtida et Theocyrtida.

PLATE 68. Podocyrtida, Phormocyrtida et Theocyrtida. Diam. Page. Fig. 1. Axocorys macroceros, n. sp., × 300 1420 Fig. 1a. The internal axial rod of the shell, which bears on its basal part three verticils of three diverging forked spines, × 300 Fig. 2. Cycladophora fenestrata, n. sp., × 300 1380 Fig. 3. Cycladophora pantheon, n. sp., × 400 1379 Fig. 4. Theosyringium tibia, n. sp., × 300 1409 Fig. 5. Theosyringium pipetta, n. sp., × 200 1409 Fig. 6. Pterocorys tubulosa, n. sp., × 400 1319 Fig. 7. Pterocanium pyramis, n. sp., × 400 1330 Fig. 8. Thyrsocyrtis rhizopodium, n. sp., × 300 1351 Fig. 9. Thyrsocyrtis arborescens, n. sp., × 400 1350 Fig. 10. Rhopalatractus foveolatus, n. sp., × 400 1361 Fig. 11. Rhopalatractus pentacanthus, n. sp., × 300 1361 Fig. 12. Rhopalatractus fenestratus, n. sp. (vel Dictyatractus fenestratus), × 300 1361 Fig. 13. Hexalatractus fusiformis, n. sp., × 300 1391 Fig. 14. Sethornithium dictyopterum, n. sp., × 300 1356 The trilobate central capsule, which contains in its uppermost part the trilobate nucleus, and in the basal part of each lobe an oil-globule. Fig. 15. Lophocyrtis synapta, n. sp., × 300 1411 The quadrilobate central capsule, which contains in its uppermost part the quadrilobate nucleus, and in the basal part of each lobe an oil-globule.

PLATE 68.

Podocyrtida, Phormocyrtida et Theocyrtida.

Diam. Page.

Fig. 1. Axocorys macroceros, n. sp., × 300 1420

Fig. 1a. The internal axial rod of the shell, which bears on its basal part three verticils of three diverging forked spines, × 300

Fig. 2. Cycladophora fenestrata, n. sp., × 300 1380

Fig. 3. Cycladophora pantheon, n. sp., × 400 1379

Fig. 4. Theosyringium tibia, n. sp., × 300 1409

Fig. 5. Theosyringium pipetta, n. sp., × 200 1409

Fig. 6. Pterocorys tubulosa, n. sp., × 400 1319

Fig. 7. Pterocanium pyramis, n. sp., × 400 1330

Fig. 8. Thyrsocyrtis rhizopodium, n. sp., × 300 1351

Fig. 9. Thyrsocyrtis arborescens, n. sp., × 400 1350

Fig. 10. Rhopalatractus foveolatus, n. sp., × 400 1361

Fig. 11. Rhopalatractus pentacanthus, n. sp., × 300 1361

Fig. 12. Rhopalatractus fenestratus, n. sp. (vel Dictyatractus fenestratus), × 300 1361

Fig. 13. Hexalatractus fusiformis, n. sp., × 300 1391

Fig. 14. Sethornithium dictyopterum, n. sp., × 300 1356

The trilobate central capsule, which contains in its uppermost part the trilobate nucleus, and in the basal part of each lobe an oil-globule.

Fig. 15. Lophocyrtis synapta, n. sp., × 300 1411

The quadrilobate central capsule, which contains in its uppermost part the quadrilobate nucleus, and in the basal part of each lobe an oil-globule.

PLATE 69.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Phormocyrtida et Theocyrtida.

PLATE 69. Phormocyrtida et Theocyrtida. Diam. Page. Fig. 1. Theocorys plutonis, n. sp., × 400 1416 Fig. 2. Lophoconus rhinoceros, n. sp., × 400 1405 Fig. 3. Theocorys apollinis, n. sp., × 300 1418 Fig. 4. Theoconus jovis, n. sp., × 400 1401 Fig. 5. Theocorys veneris, n. sp., × 300 1415 Fig. 6. Phormocyrtis costata, n. sp., × 300 1369 Fig. 7. Theoconus junonis, n. sp., × 300 1401 Fig. 8. Theocyrtis ptychodes, n. sp., × 400 1408 Fig. 9. Lophocorys astrocephala, n. sp., × 300 1421 Fig. 10. Theocorys obliqua, n. sp., × 400 1417 Fig. 11. Theocorys dianæ, n. sp., × 400 1416 Fig. 12. Lophocorys bovicornis, n. sp., × 300 1422 Fig. 13. Theocyrtis macroceros, n. sp., × 400 1407 Fig. 14. Theocorys minervæ, n. sp., × 300 1419 Fig. 15. Phormocyrtis longicornis, n. sp., × 400 1370 Fig. 16. Theocorys ovata, n. sp., × 300 1416

PLATE 69.

Phormocyrtida et Theocyrtida.

Diam. Page.

Fig. 1. Theocorys plutonis, n. sp., × 400 1416

Fig. 2. Lophoconus rhinoceros, n. sp., × 400 1405

Fig. 3. Theocorys apollinis, n. sp., × 300 1418

Fig. 4. Theoconus jovis, n. sp., × 400 1401

Fig. 5. Theocorys veneris, n. sp., × 300 1415

Fig. 6. Phormocyrtis costata, n. sp., × 300 1369

Fig. 7. Theoconus junonis, n. sp., × 300 1401

Fig. 8. Theocyrtis ptychodes, n. sp., × 400 1408

Fig. 9. Lophocorys astrocephala, n. sp., × 300 1421

Fig. 10. Theocorys obliqua, n. sp., × 400 1417

Fig. 11. Theocorys dianæ, n. sp., × 400 1416

Fig. 12. Lophocorys bovicornis, n. sp., × 300 1422

Fig. 13. Theocyrtis macroceros, n. sp., × 400 1407

Fig. 14. Theocorys minervæ, n. sp., × 300 1419

Fig. 15. Phormocyrtis longicornis, n. sp., × 400 1370

Fig. 16. Theocorys ovata, n. sp., × 300 1416

PLATE 70.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Anthocyrtida, Podocyrtida, Phormocyrtida et Theocyrtida.

PLATE 70. Anthocyrtida, Podocyrtida, Phormocyrtida et Theocyrtida. Diam. Page. Fig. 1. Theophormis callipilium, n. sp., × 300 1367 Fig. 2. Theophormis callipilium, n. sp., × 300 1367 The four cruciate rods of the cortinar septum and the vertical columella in its centre. Fig. 3. Theophormis callipilium, n. sp., × 400 1367 The cephalis alone with the enclosed quadrilobate central capsule, which is surrounded by numerous xanthellæ. Fig. 4. Sethophormis umbrella, n. sp., × 150 1248 Fig. 5. Sethophormis umbrella, n. sp., × 400 1248 Cephalis with the cruciform cortinar septum. Fig. 6. Theopilium tricostatum, n. sp., × 400 1322 Seen from above. Fig. 7. Phrenocodon clathrostomium, n. sp., × 250 1434 Vertical section through the shell. Fig. 8. Phrenocodon clathrostomium, n. sp., × 500 1434 Shell seen half from below, and exhibiting the fenestrated septum between thorax and abdomen. Fig. 9. Pteropilium stratiotes, n. sp., × 400 1326 Fig. 10. Pteropilium stratiotes, n. sp., × 400 1326 The three rods of the cortinar septum and the three arches connecting them with the central axial columella. Fig. 11. Pterocodon ornatus, n. sp., × 300 1333 Fig. 12. Theophæna corona, n. sp., × 300 1394

PLATE 70.

Anthocyrtida, Podocyrtida, Phormocyrtida et Theocyrtida.

Diam. Page.

Fig. 1. Theophormis callipilium, n. sp., × 300 1367

Fig. 2. Theophormis callipilium, n. sp., × 300 1367

The four cruciate rods of the cortinar septum and the vertical columella in its centre.

Fig. 3. Theophormis callipilium, n. sp., × 400 1367

The cephalis alone with the enclosed quadrilobate central capsule, which is surrounded by numerous xanthellæ.

Fig. 4. Sethophormis umbrella, n. sp., × 150 1248

Fig. 5. Sethophormis umbrella, n. sp., × 400 1248

Cephalis with the cruciform cortinar septum.

Fig. 6. Theopilium tricostatum, n. sp., × 400 1322

Seen from above.

Fig. 7. Phrenocodon clathrostomium, n. sp., × 250 1434

Vertical section through the shell.

Fig. 8. Phrenocodon clathrostomium, n. sp., × 500 1434

Shell seen half from below, and exhibiting the fenestrated septum between thorax and abdomen.

Fig. 9. Pteropilium stratiotes, n. sp., × 400 1326

Fig. 10. Pteropilium stratiotes, n. sp., × 400 1326

The three rods of the cortinar septum and the three arches connecting them with the central axial columella.

Fig. 11. Pterocodon ornatus, n. sp., × 300 1333

Fig. 12. Theophæna corona, n. sp., × 300 1394

PLATE 71.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family Podocyrtida.

PLATE 71. Podocyrtida. Diam. Page. Fig. 1. Pterocorys rhinoceros, n. sp., × 400 1320 Fig. 2. Pterocorys columba, n. sp., × 400 1317 Fig. 3. Pterocorys campanula, n. sp., × 400 1316 Fig. 4. Pterocorys hirundo, n. sp., × 300 1318 Fig. 5. Pterocorys aquila, n. sp., × 300 1317 Fig. 6. Dictyoceras insectum, n. sp., × 400 1324 Fig. 7. Dictyoceras insectum, n. sp., × 400 1324 Seen from the apex. Fig. 8. Dictyoceras formica, n. sp., × 400 1325 Fig. 9. Dictyoceras melitta, n. sp., × 400 1325 Seen from the apex. Fig. 10. Dictyoceras bombus, n. sp., × 400 1325 Fig. 11. Dictyocodon annasethe, n. sp., × 400 1334 Fig. 12. Dictyocodon palladius, n. sp., × 300 1335 Fig. 13. Dictyocodon palladius, n. sp., × 600 1335 Apical part of the shell alone. Fig. 14. Dictyocodon carolotæ, n. sp., × 300 1335

PLATE 71.

Podocyrtida.

Diam. Page.

Fig. 1. Pterocorys rhinoceros, n. sp., × 400 1320

Fig. 2. Pterocorys columba, n. sp., × 400 1317

Fig. 3. Pterocorys campanula, n. sp., × 400 1316

Fig. 4. Pterocorys hirundo, n. sp., × 300 1318

Fig. 5. Pterocorys aquila, n. sp., × 300 1317

Fig. 6. Dictyoceras insectum, n. sp., × 400 1324

Fig. 7. Dictyoceras insectum, n. sp., × 400 1324

Seen from the apex.

Fig. 8. Dictyoceras formica, n. sp., × 400 1325

Fig. 9. Dictyoceras melitta, n. sp., × 400 1325

Seen from the apex.

Fig. 10. Dictyoceras bombus, n. sp., × 400 1325

Fig. 11. Dictyocodon annasethe, n. sp., × 400 1334

Fig. 12. Dictyocodon palladius, n. sp., × 300 1335

Fig. 13. Dictyocodon palladius, n. sp., × 600 1335

Apical part of the shell alone.

Fig. 14. Dictyocodon carolotæ, n. sp., × 300 1335

PLATE 72.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family Podocyrtida.

PLATE 72. Podocyrtida. Diam. Page. Fig. 1. Podocyrtis prismatica, n. sp., × 300 1340 Fig. 2. Podocyrtis corythæola, n. sp., × 300 1339 Fig. 3. Podocyrtis lithoconus, n. sp., × 300 1348 Fig. 4. Podocyrtis tripodiscus, n. sp., × 300 1338 Fig. 5. Podocyrtis magnifica, n. sp., × 500 1341 Fig. 6. Podocyrtis divergens, n. sp., × 400 1340 Fig. 7. Podocyrtis cristata, n. sp., × 400 1342 Fig. 8. Podocyrtis pedicellaria, n. sp., × 300 1347 Fig. 9. Podocyrtis flosculata, n. sp., × 500 1341 Fig. 10. Podocyrtis surena, n. sp., × 400 1339

PLATE 72.

Podocyrtida.

Diam. Page.

Fig. 1. Podocyrtis prismatica, n. sp., × 300 1340

Fig. 2. Podocyrtis corythæola, n. sp., × 300 1339

Fig. 3. Podocyrtis lithoconus, n. sp., × 300 1348

Fig. 4. Podocyrtis tripodiscus, n. sp., × 300 1338

Fig. 5. Podocyrtis magnifica, n. sp., × 500 1341

Fig. 6. Podocyrtis divergens, n. sp., × 400 1340

Fig. 7. Podocyrtis cristata, n. sp., × 400 1342

Fig. 8. Podocyrtis pedicellaria, n. sp., × 300 1347

Fig. 9. Podocyrtis flosculata, n. sp., × 500 1341

Fig. 10. Podocyrtis surena, n. sp., × 400 1339

PLATE 73.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Podocyrtida et Phormocyrtida.

PLATE 73. Podocyrtida et Phormocyrtida. Diam. Page. Fig. 1. Pterocanium tricolpum, n. sp., × 400 1331 Fig. 2. Pterocanium orcinum, n. sp., × 400 1329 Fig. 3. Pterocanium gravidum, n. sp., × 400 1329 Fig. 4. Pterocanium eucolpum, n. sp., × 400 1332 Fig. 5. Pterocanium bicorne, n. sp., × 400 1332 Fig. 6. Pterocanium virgineum, n. sp., × 400 1330 Fig. 7. Dictyopodium thyrsolophus, n. sp., × 300 1354 Fig. 8. Dictyopodium scaphopodium, n. sp., × 300 1353 Fig. 9. Calocyclas monumentum, n. sp., × 400 1385 Fig. 10. Calocyclas casta, n. sp., × 400 1384

PLATE 73.

Podocyrtida et Phormocyrtida.

Diam. Page.

Fig. 1. Pterocanium tricolpum, n. sp., × 400 1331

Fig. 2. Pterocanium orcinum, n. sp., × 400 1329

Fig. 3. Pterocanium gravidum, n. sp., × 400 1329

Fig. 4. Pterocanium eucolpum, n. sp., × 400 1332

Fig. 5. Pterocanium bicorne, n. sp., × 400 1332

Fig. 6. Pterocanium virgineum, n. sp., × 400 1330

Fig. 7. Dictyopodium thyrsolophus, n. sp., × 300 1354

Fig. 8. Dictyopodium scaphopodium, n. sp., × 300 1353

Fig. 9. Calocyclas monumentum, n. sp., × 400 1385

Fig. 10. Calocyclas casta, n. sp., × 400 1384

PLATE 74.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family Phormocyrtida.

PLATE 74. Phormocyrtida. Diam. Page. Fig. 1. Calocyclas parthenia, n. sp., × 400 1385 Fig. 2. Calocyclas amicæ, n. sp., × 400 1382 Fig. 3. Calocyclas vestalis, n. sp., × 400 1382 Fig. 4. Calocyclas virginis, n. sp., × 300 1381 Fig. 5. Calocyclas veneris, n. sp., × 300 1381 Fig. 6. Clathrocyclas basilea, n. sp. (vel Calocyclas basilea), × 400 1386 Fig. 7. Clathrocyclas principessa, n. sp. (vel Calocyclas principessa), × 400 1386 Fig. 8. Clathrocyclas collaris, n. sp. (vel Calocyclas collaris), × 400 1387 Fig. 9. Alacorys carcinus, n. sp. (vel Calocyclas carcinus), × 300 1375 Fig. 10. Lamprocyclas deflorata, n. sp., × 200 1391 Fig. 11. Lamprocyclas reginæ, n. sp., × 400 1391 Fig. 12. Lamprocyclas reginæ, n. sp., × 800 1391 Two meshes of the network. Fig. 13. Lamprocyclas maritalis, n. sp., × 400 1390 Fig. 14. Lamprocyclas maritalis, n. sp., × 400 1390 Vertical section. Fig. 15. Lamprocyclas nuptialis, n. sp., × 400 1390 Fig. 16. Lamprocyclas saltatricis, n. sp., × 400 1391

PLATE 74.

Phormocyrtida.

Diam. Page.

Fig. 1. Calocyclas parthenia, n. sp., × 400 1385

Fig. 2. Calocyclas amicæ, n. sp., × 400 1382

Fig. 3. Calocyclas vestalis, n. sp., × 400 1382

Fig. 4. Calocyclas virginis, n. sp., × 300 1381

Fig. 5. Calocyclas veneris, n. sp., × 300 1381

Fig. 6. Clathrocyclas basilea, n. sp. (vel Calocyclas basilea), × 400 1386

Fig. 7. Clathrocyclas principessa, n. sp. (vel Calocyclas principessa), × 400 1386

Fig. 8. Clathrocyclas collaris, n. sp. (vel Calocyclas collaris), × 400 1387

Fig. 9. Alacorys carcinus, n. sp. (vel Calocyclas carcinus), × 300 1375

Fig. 10. Lamprocyclas deflorata, n. sp., × 200 1391

Fig. 11. Lamprocyclas reginæ, n. sp., × 400 1391

Fig. 12. Lamprocyclas reginæ, n. sp., × 800 1391

Two meshes of the network.

Fig. 13. Lamprocyclas maritalis, n. sp., × 400 1390

Fig. 14. Lamprocyclas maritalis, n. sp., × 400 1390

Vertical section.

Fig. 15. Lamprocyclas nuptialis, n. sp., × 400 1390

Fig. 16. Lamprocyclas saltatricis, n. sp., × 400 1391

PLATE 75.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Podocampida et Phormocampida.

PLATE 75. Podocampida et Phormocampida. Diam. Page. Fig. 1. Artopilium elegans, n. sp. (vel Trictenartus elegans), × 200 1440 Fig. 2. Artophormis horrida, n. sp., × 300 1458 Fig. 3. Cyrtopera thoracoptera, n. sp. (vel Artopera thoracoptera), × 300 1450 Fig. 4. Stichophæna ærostatica, n. sp. (vel Artophæna ærostatica), × 400 1463 Fig. 5. Cyrtophormis turricula, n. sp., × 300 1463 Fig. 6. Stichopodium dictyopodium, n. sp., × 400 1447 Fig. 7. Artopilium trifenestra, n. sp. (vel Clathropyrgus trifenestra), × 500 1441 Fig. 8. Artopilium stichopterygium, n. sp., × 400 1442 Fig. 9. Stichophormis cornutella, n. sp., × 400 1455 Fig. 10. Cyrtopera laguncula, n. sp. (vel Cyrtolagena laguncula), × 400 1451 Fig. 11. Stichopera pectinata, n. sp., × 500 1449 Fig. 12. Stichophæna ritteriana, n. sp., × 400 1465

PLATE 75.

Podocampida et Phormocampida.

Diam. Page.

Fig. 1. Artopilium elegans, n. sp. (vel Trictenartus elegans), × 200 1440

Fig. 2. Artophormis horrida, n. sp., × 300 1458

Fig. 3. Cyrtopera thoracoptera, n. sp. (vel Artopera thoracoptera), × 300 1450

Fig. 4. Stichophæna ærostatica, n. sp. (vel Artophæna ærostatica), × 400 1463

Fig. 5. Cyrtophormis turricula, n. sp., × 300 1463

Fig. 6. Stichopodium dictyopodium, n. sp., × 400 1447

Fig. 7. Artopilium trifenestra, n. sp. (vel Clathropyrgus trifenestra), × 500 1441

Fig. 8. Artopilium stichopterygium, n. sp., × 400 1442

Fig. 9. Stichophormis cornutella, n. sp., × 400 1455

Fig. 10. Cyrtopera laguncula, n. sp. (vel Cyrtolagena laguncula), × 400 1451

Fig. 11. Stichopera pectinata, n. sp., × 500 1449

Fig. 12. Stichophæna ritteriana, n. sp., × 400 1465

PLATE 76.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Phormocampida et Lithocampida.

PLATE 76. Phormocampida et Lithocampida. Diam. Page. Fig. 1. Stichocapsa pentacola, n. sp., × 400 1517 Fig. 2. Stichocapsa hexacola, n. sp., × 400 1517 Fig. 3. Stichocapsa compacta, n. sp., × 400 1517 Fig. 4. Stichocapsa paniscus, n. sp., × 400 1518 Fig. 5. Artocapsa fusiformis, n. sp., × 400 1519 Fig. 6. Stichophæna nonaria, n. sp., × 200 1466 Fig. 7. Stichophæna novena, n. sp., × 400 1466 Fig. 8. Artocapsa elegans, n. sp., × 400 1520 Fig. 9. Cyrtocapsa chrysalidium, n. sp., × 400 1515 Fig. 10. Artocapsa spinosa, n. sp., × 400 1519 Fig. 11. Spirocampe callispira, n. sp., × 300 1511 Fig. 12. Spirocampe allospira, n. sp., × 400 1511 Fig. 13. Spirocyrtis cornutella, n. sp., × 400 1509 Fig. 14. Spirocyrtis scalaris, n. sp., × 400 1509 Fig. 15. Spirocyrtis merospira, n. sp., × 500 1510 Fig. 16. Spirocyrtis holospira, n. sp., × 400 1509 Fig. 17. Spirocyrtis diplospira, n. sp., × 400 1510

PLATE 76.

Phormocampida et Lithocampida.

Diam. Page.

Fig. 1. Stichocapsa pentacola, n. sp., × 400 1517

Fig. 2. Stichocapsa hexacola, n. sp., × 400 1517

Fig. 3. Stichocapsa compacta, n. sp., × 400 1517

Fig. 4. Stichocapsa paniscus, n. sp., × 400 1518

Fig. 5. Artocapsa fusiformis, n. sp., × 400 1519

Fig. 6. Stichophæna nonaria, n. sp., × 200 1466

Fig. 7. Stichophæna novena, n. sp., × 400 1466

Fig. 8. Artocapsa elegans, n. sp., × 400 1520

Fig. 9. Cyrtocapsa chrysalidium, n. sp., × 400 1515

Fig. 10. Artocapsa spinosa, n. sp., × 400 1519

Fig. 11. Spirocampe callispira, n. sp., × 300 1511

Fig. 12. Spirocampe allospira, n. sp., × 400 1511

Fig. 13. Spirocyrtis cornutella, n. sp., × 400 1509

Fig. 14. Spirocyrtis scalaris, n. sp., × 400 1509

Fig. 15. Spirocyrtis merospira, n. sp., × 500 1510

Fig. 16. Spirocyrtis holospira, n. sp., × 400 1509

Fig. 17. Spirocyrtis diplospira, n. sp., × 400 1510

PLATE 77.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Podocampida, Phormocampida et Lithocampida.

PLATE 77. Podocampida, Phormocampida et Lithocampida. Diam. Page. Fig. 1. Lithocampe ovata, n. sp., × 500 1504 Fig. 2. Lithocampe urceolata, n. sp., × 400 1507 Fig. 3. Lithocampe diploconus, n. sp., × 400 1505 Fig. 4. Dictyomitra eurythorax, n. sp., × 300 1477 Fig. 5. Eucyrtidium teuscheri, n. sp., × 400 1491 Fig. 6. Lithostrobus cornutus, n. sp., × 400 1474 Fig. 7. Eucyrtidium bütschlii, n. sp., × 400 1492 Fig. 8. Cyrtocapsa compacta, n. sp., × 300 1512 Fig. 9. Stichopilium bicorne, n. sp., × 600 1437 Fig. 10. Artopilium longicorne, n. sp., × 500 1440 Fig. 11. Stichopilium campanulatum, n. sp., × 400 1438 Fig. 12. Artopilium cyrtopterum, n. sp., × 400 1440 Fig. 13. Phormocampe campanula, n. sp., × 400 1456 Fig. 14. Phormocampe eucalyptra, n. sp., × 300 1457 Fig. 15. Cyrtophormis corona, n. sp., × 300 1462 Fig. 16. Phormocampe lamprocyclas, n. sp., × 300 1457 Fig. 17. Cyrtophormis cylindrica, n. sp., × 300 1461 Fig. 18. Cyrtophormis cornuta, n. sp., × 500 1462

PLATE 77.

Podocampida, Phormocampida et Lithocampida.

Diam. Page.

Fig. 1. Lithocampe ovata, n. sp., × 500 1504

Fig. 2. Lithocampe urceolata, n. sp., × 400 1507

Fig. 3. Lithocampe diploconus, n. sp., × 400 1505

Fig. 4. Dictyomitra eurythorax, n. sp., × 300 1477

Fig. 5. Eucyrtidium teuscheri, n. sp., × 400 1491

Fig. 6. Lithostrobus cornutus, n. sp., × 400 1474

Fig. 7. Eucyrtidium bütschlii, n. sp., × 400 1492

Fig. 8. Cyrtocapsa compacta, n. sp., × 300 1512

Fig. 9. Stichopilium bicorne, n. sp., × 600 1437

Fig. 10. Artopilium longicorne, n. sp., × 500 1440

Fig. 11. Stichopilium campanulatum, n. sp., × 400 1438

Fig. 12. Artopilium cyrtopterum, n. sp., × 400 1440

Fig. 13. Phormocampe campanula, n. sp., × 400 1456

Fig. 14. Phormocampe eucalyptra, n. sp., × 300 1457

Fig. 15. Cyrtophormis corona, n. sp., × 300 1462

Fig. 16. Phormocampe lamprocyclas, n. sp., × 300 1457

Fig. 17. Cyrtophormis cylindrica, n. sp., × 300 1461

Fig. 18. Cyrtophormis cornuta, n. sp., × 500 1462

PLATE 78.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Phormocampida et Lithocampida.

PLATE 78. Phormocampida et Lithocampida. Diam. Page. Fig. 1. Stichocapsa tetracola, n. sp., × 600 1515 Fig. 2. Stichocapsa tricincta, n. sp., × 400 1516 Fig. 3. Stichocapsa quadrigata, n. sp., × 400 1515 Fig. 4. Stichocapsa monstrosa, n. sp., × 400 1517 Fig. 5. Cyrtocapsa tetrapera, n. sp., × 300 1512 Fig. 6. Cyrtocapsa diploconus, n. sp., × 300 1513 Fig. 7. Cyrtocapsa fusulus, n. sp., × 400 1514 Fig. 8. Cyrtocapsa pyrum, n. sp., × 400 1513 Fig. 9. Cyrtocapsa cornuta, n. sp., × 400 1513 Fig. 10. Eusyringium conosiphon, n. sp., × 400 1496 Fig. 11. Eusyringium pachysiphon, n. sp., × 400 1496 Fig. 12. Eusyringium macrosiphon, n. sp., × 400 1497 Fig. 13. Eucyrtidium tricinctum, n. sp., × 400 1494 Fig. 14. Eucyrtidium armatum, n. sp., × 400 1495 Fig. 15. Eucyrtidium ehrenbergii, n. sp., × 300 1495 Fig. 16. Eucyrtidium conostoma, n. sp., × 400 1495 Fig. 17. Cyrtophormis armata, n. sp., × 400 1460 Fig. 18. Cyrtophormis cingulata, n. sp., × 400 1460

PLATE 78.

Phormocampida et Lithocampida.

Diam. Page.

Fig. 1. Stichocapsa tetracola, n. sp., × 600 1515

Fig. 2. Stichocapsa tricincta, n. sp., × 400 1516

Fig. 3. Stichocapsa quadrigata, n. sp., × 400 1515

Fig. 4. Stichocapsa monstrosa, n. sp., × 400 1517

Fig. 5. Cyrtocapsa tetrapera, n. sp., × 300 1512

Fig. 6. Cyrtocapsa diploconus, n. sp., × 300 1513

Fig. 7. Cyrtocapsa fusulus, n. sp., × 400 1514

Fig. 8. Cyrtocapsa pyrum, n. sp., × 400 1513

Fig. 9. Cyrtocapsa cornuta, n. sp., × 400 1513

Fig. 10. Eusyringium conosiphon, n. sp., × 400 1496

Fig. 11. Eusyringium pachysiphon, n. sp., × 400 1496

Fig. 12. Eusyringium macrosiphon, n. sp., × 400 1497

Fig. 13. Eucyrtidium tricinctum, n. sp., × 400 1494

Fig. 14. Eucyrtidium armatum, n. sp., × 400 1495

Fig. 15. Eucyrtidium ehrenbergii, n. sp., × 300 1495

Fig. 16. Eucyrtidium conostoma, n. sp., × 400 1495

Fig. 17. Cyrtophormis armata, n. sp., × 400 1460

Fig. 18. Cyrtophormis cingulata, n. sp., × 400 1460

PLATE 79.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Phormocampida et Lithocampida.

PLATE 79. Phormocampida et Lithocampida. Diam. Page. Fig. 1. Lithomitra nodosaria, n. sp., × 600 1484 Fig. 2. Cyrtophormis tabulata, n. sp., × 400 1166 Fig. 3. Lithomitra eruca, n. sp., × 500 1485 Fig. 4. Lithomitra chrysalis, n. sp., × 300 1485 Fig. 5. Lithomitra infundibulum, n. sp., × 500 1487 Fig. 6. Lithocampe octocola, n. sp., × 400 1508 Fig. 7. Lithocampe hexacola, n. sp., × 400 1507 Fig. 8. Lithocampe heptacola, n. sp., × 400 1508 Fig. 9. Stichophormis novena, n. sp., × 400 1455 Fig. 10. Siphocampe annulosa, n. sp., × 300 1500 Fig. 11. Siphocampe erucosa, n. sp., × 300 1500 Fig. 12. Siphocampe caminosa, n. sp., × 400 1500 Fig. 13. Siphocampe tubulosa, n. sp., × 400 1500 Fig. 14. Siphocampe spiralis, n. sp., × 500 1501 Fig. 15. Lithostrobus seriatus, n. sp., × 400 1474 Fig. 16. Artostrobus articulatus, n. sp., × 400 1483 Fig. 17. Lithostrobus lithobotrys, n. sp., × 400 1475 Fig. 18. Lithostrobus botryocyrtis, n. sp., × 400 1475 Fig. 19. Lithostrobus botryocyrtis, n. sp., × 400 1475 Vertical section through the cephalis. Fig. 20. Lithostrobus hexagonalis, n. sp., × 400 1475

PLATE 79.

Phormocampida et Lithocampida.

Diam. Page.

Fig. 1. Lithomitra nodosaria, n. sp., × 600 1484

Fig. 2. Cyrtophormis tabulata, n. sp., × 400 1166

Fig. 3. Lithomitra eruca, n. sp., × 500 1485

Fig. 4. Lithomitra chrysalis, n. sp., × 300 1485

Fig. 5. Lithomitra infundibulum, n. sp., × 500 1487

Fig. 6. Lithocampe octocola, n. sp., × 400 1508

Fig. 7. Lithocampe hexacola, n. sp., × 400 1507

Fig. 8. Lithocampe heptacola, n. sp., × 400 1508

Fig. 9. Stichophormis novena, n. sp., × 400 1455

Fig. 10. Siphocampe annulosa, n. sp., × 300 1500

Fig. 11. Siphocampe erucosa, n. sp., × 300 1500

Fig. 12. Siphocampe caminosa, n. sp., × 400 1500

Fig. 13. Siphocampe tubulosa, n. sp., × 400 1500

Fig. 14. Siphocampe spiralis, n. sp., × 500 1501

Fig. 15. Lithostrobus seriatus, n. sp., × 400 1474

Fig. 16. Artostrobus articulatus, n. sp., × 400 1483

Fig. 17. Lithostrobus lithobotrys, n. sp., × 400 1475

Fig. 18. Lithostrobus botryocyrtis, n. sp., × 400 1475

Fig. 19. Lithostrobus botryocyrtis, n. sp., × 400 1475

Vertical section through the cephalis.

Fig. 20. Lithostrobus hexagonalis, n. sp., × 400 1475

PLATE 80.

Legion NASSELLARIA.

Order CYRTOIDEA.

Family Lithocampida.

PLATE 80. Lithocampida. Diam. Page. Fig. 1. Lithostrobus conulus, n. sp. (vel Cyrtostrobus conulus), × 400 1472 Fig. 2. Lithostrobus cyrtoceras, n. sp. (vel Cornustrobus cyrtoceras), × 400 1470 Fig. 3. Stichocorys huschkei, n. sp., × 400 1480 Fig. 4. Lithostrobus caloceras, n. sp. (vel Cornustrobus caloceras), × 400 1471 Fig. 5. Stichocorys okenii, n. sp., × 300 1480 Fig. 6. Lithostrobus tetrastichus, n. sp. (vel Conostrobus tetrastichus), × 500 1470 Fig. 7. Stichocorys panderi, n. sp., × 400 1479 Fig. 8. Stichocorys baerii, n. sp., × 400 1479 Fig. 9. Eucyrtidium cienkowskii, n. sp., × 400 1493 Fig. 10. Stichocorys wolffii, n. sp., × 400 1479 Fig. 11. Eucyrtidium hexagonatum, n. sp., × 600 1489 Fig. 12. Eucyrtidium hertwigii, n. sp., × 400 1491 Fig. 13. Eusyringium cannostoma, n. sp., × 600 1499 Fig. 14. Eusyringium siphonostoma, n. sp., × 500 1499 Fig. 15. Lithostrobus hexastichus, n. sp. (vel Artostrobus hexastichus), × 500 1470

PLATE 80.

Lithocampida.

Diam. Page.

Fig. 1. Lithostrobus conulus, n. sp. (vel Cyrtostrobus conulus), × 400 1472

Fig. 2. Lithostrobus cyrtoceras, n. sp. (vel Cornustrobus cyrtoceras), × 400 1470

Fig. 3. Stichocorys huschkei, n. sp., × 400 1480

Fig. 4. Lithostrobus caloceras, n. sp. (vel Cornustrobus caloceras), × 400 1471

Fig. 5. Stichocorys okenii, n. sp., × 300 1480

Fig. 6. Lithostrobus tetrastichus, n. sp. (vel Conostrobus tetrastichus), × 500 1470

Fig. 7. Stichocorys panderi, n. sp., × 400 1479

Fig. 8. Stichocorys baerii, n. sp., × 400 1479

Fig. 9. Eucyrtidium cienkowskii, n. sp., × 400 1493

Fig. 10. Stichocorys wolffii, n. sp., × 400 1479

Fig. 11. Eucyrtidium hexagonatum, n. sp., × 600 1489

Fig. 12. Eucyrtidium hertwigii, n. sp., × 400 1491

Fig. 13. Eusyringium cannostoma, n. sp., × 600 1499

Fig. 14. Eusyringium siphonostoma, n. sp., × 500 1499

Fig. 15. Lithostrobus hexastichus, n. sp. (vel Artostrobus hexastichus), × 500 1470

PLATE 81.

Legion NASSELLARIA.

Order STEPHOIDEA.

Family Stephanida.

PLATE 81. Stephanida. Diam. Page. Fig. 1. Archicircus primordialis, n. sp., × 200 942 Fig. 2. Zygocircus polygonus, n. sp., × 200 947 Fig. 3. Zygocircus triquetrus, n. sp., × 300 947 Fig. 4. Archicircus hexacanthus, n. sp., × 300 942 Fig. 5. Zygocircus acacia, n. sp., × 300 947 Fig. 6. Lithocircus crambessa, n. sp., × 400 944 Fig. 7. Archicircus rhombus, n. sp., × 300 942 Fig. 8. Zygocircus pentagonus, n. sp., × 300 946 Fig. 9. Lithocircus quadricornis, n. sp., × 300 944 Fig. 10. Dendrocircus arborescens, n. sp., × 300 949 Fig. 11. Dendrocircus dodecancistra, n. sp., × 300 949 Fig. 12. Archicircus sexangularis, n. sp., × 300 943 Fig. 13. Dendrocircus elegans, n. sp., × 400 949 Fig. 14. Dendrocircus stalactites, n. sp., × 400 950 Fig. 15. Lithocircus decimalis, n. sp., × 300 944 Fig. 16. Lithocircus magnificus, n. sp., × 400 945 The ovate, red-coloured central capsule exhibits in the lower half the striate podoconus, in the upper half four oil-globules, and at the left the kidney-shaped nucleus. Numerous "yellow cells" or xanthellæ are scattered in the calymma, which contains brown pigment around the porochora. Numerous pseudopodia radiate from the supporting spines of the sagittal ring. Fig. 17. Lithocircus hexablastus, n. sp., × 400 944

PLATE 81.

Stephanida.

Diam. Page.

Fig. 1. Archicircus primordialis, n. sp., × 200 942

Fig. 2. Zygocircus polygonus, n. sp., × 200 947

Fig. 3. Zygocircus triquetrus, n. sp., × 300 947

Fig. 4. Archicircus hexacanthus, n. sp., × 300 942

Fig. 5. Zygocircus acacia, n. sp., × 300 947

Fig. 6. Lithocircus crambessa, n. sp., × 400 944

Fig. 7. Archicircus rhombus, n. sp., × 300 942

Fig. 8. Zygocircus pentagonus, n. sp., × 300 946

Fig. 9. Lithocircus quadricornis, n. sp., × 300 944

Fig. 10. Dendrocircus arborescens, n. sp., × 300 949

Fig. 11. Dendrocircus dodecancistra, n. sp., × 300 949

Fig. 12. Archicircus sexangularis, n. sp., × 300 943

Fig. 13. Dendrocircus elegans, n. sp., × 400 949

Fig. 14. Dendrocircus stalactites, n. sp., × 400 950

Fig. 15. Lithocircus decimalis, n. sp., × 300 944

Fig. 16. Lithocircus magnificus, n. sp., × 400 945

The ovate, red-coloured central capsule exhibits in the lower half the striate podoconus, in the upper half four oil-globules, and at the left the kidney-shaped nucleus. Numerous "yellow cells" or xanthellæ are scattered in the calymma, which contains brown pigment around the porochora. Numerous pseudopodia radiate from the supporting spines of the sagittal ring.

Fig. 17. Lithocircus hexablastus, n. sp., × 400 944

PLATE 82.

Legion NASSELLARIA.

Order STEPHOIDEA.

Families Coronida et Tympanida.

PLATE 82. Coronida et Tympanida. Diam. Page. Fig. 1. Coronidium cervicorne, n. sp., × 400 974 Seen from the apical pole. Fig. 2. Coronidium acacia, n. sp., × 300 975 Fig. 3. Eucoronis angulata, n. sp., × 400 978 Half from the apical, half from the dorsal side. Fig. 4. Eucoronis challengeri, n. sp., × 400 978 The red central capsule encloses a large ovate nucleus and is surrounded by numerous xanthellæ. Fig. 5. Eucoronis nephrospyris, n. sp., × 300 977 Fig. 6. Eucoronis perspicillum, n. sp., × 300 977 Fig. 7. Coronidium dyostephanus, n. sp., × 400 974 Seen from the apical pole. Fig. 8. Coronidium diadema, n. sp., × 300 974 Fig. 9. Acrocubus octopylus, n. sp., × 300 993 Fig. 10. Parastephanus asymmetricus, n. sp., × 400 1008 Fig. 11. Eutympanium militare, n. sp., × 400 1014 Oblique view. Fig. 12. Lithocubus astragalus, n. sp., × 400 1012 Fig. 13. Trissocircus globus, n. sp., × 400 986

PLATE 82.

Coronida et Tympanida.

Diam. Page.

Fig. 1. Coronidium cervicorne, n. sp., × 400 974

Seen from the apical pole.

Fig. 2. Coronidium acacia, n. sp., × 300 975

Fig. 3. Eucoronis angulata, n. sp., × 400 978

Half from the apical, half from the dorsal side.

Fig. 4. Eucoronis challengeri, n. sp., × 400 978

The red central capsule encloses a large ovate nucleus and is surrounded by numerous xanthellæ.

Fig. 5. Eucoronis nephrospyris, n. sp., × 300 977

Fig. 6. Eucoronis perspicillum, n. sp., × 300 977

Fig. 7. Coronidium dyostephanus, n. sp., × 400 974

Seen from the apical pole.

Fig. 8. Coronidium diadema, n. sp., × 300 974

Fig. 9. Acrocubus octopylus, n. sp., × 300 993

Fig. 10. Parastephanus asymmetricus, n. sp., × 400 1008

Fig. 11. Eutympanium militare, n. sp., × 400 1014

Oblique view.

Fig. 12. Lithocubus astragalus, n. sp., × 400 1012

Fig. 13. Trissocircus globus, n. sp., × 400 986

PLATE 83.

Legion NASSELLARIA.

Orders STEPHOIDEA et SPYROIDEA.

Families Stephanida, Semantida, Coronida, Tympanida, Zygospyrida, Phormospyrida et Androspyrida.

PLATE 83. Stephanida, Semantida, Coronida, Tympanida, Zygospyrida, Phormospyrida et Androspyrida. Diam. Page. Fig. 1. Lithotympanum tuberosum, n. sp., × 400 1006 Fig. 2. Eutympanium musicantum, n. sp., × 300 1013 Fig. 3. Semantis distephanus, n. sp., × 300 957 Fig. 4. Sphærospyris globosa, n. sp., × 300 1100 Fig. 5. Trissocyclus stauroporus, n. sp., × 200 987 Fig. 6. Trissocircus binellipsis, n. sp., × 300 985 Fig. 7. Podocoronis toxarium, n. sp., × 200 980 Fig. 8. Androspyris anthropiscus, n. sp., × 400 1093 Fig. 9. Cortina tripus, n. sp., × 200 950 Fig. 10. Cephalospyris cancellata, n. sp., × 400 1035 Fig. 11. Tripospyris furcata, n. sp., × 400 1029 Fig. 12. Petalospyris novena, n. sp., × 400 1062 Basal view of the shell, with the cortinar septum. Fig. 13. Rhodospyris tricornis, n. sp., × 400 1089 Fig. 14. Desmospyris mammillata, n. sp., × 400 1089 Fig. 15. Phormospyris tricostata, n. sp., × 400 1087 Fig. 16. Zygospyris equus, n. sp., × 300 1056 Fig. 17. Archicircus monostephus, n. sp., × 300 941 Fig. 18. Dipospyris cubus, n. sp., × 400 1036 Basal view of the shell, with the cortinar septum. Fig. 19. Gamospyris circulus, n. sp., × 200 1042 Fig. 20. Stephanospyris excellens, n. sp., × 300 1043

PLATE 83.

Stephanida, Semantida, Coronida, Tympanida, Zygospyrida, Phormospyrida et Androspyrida.

Diam. Page.

Fig. 1. Lithotympanum tuberosum, n. sp., × 400 1006

Fig. 2. Eutympanium musicantum, n. sp., × 300 1013

Fig. 3. Semantis distephanus, n. sp., × 300 957

Fig. 4. Sphærospyris globosa, n. sp., × 300 1100

Fig. 5. Trissocyclus stauroporus, n. sp., × 200 987

Fig. 6. Trissocircus binellipsis, n. sp., × 300 985

Fig. 7. Podocoronis toxarium, n. sp., × 200 980

Fig. 8. Androspyris anthropiscus, n. sp., × 400 1093

Fig. 9. Cortina tripus, n. sp., × 200 950

Fig. 10. Cephalospyris cancellata, n. sp., × 400 1035

Fig. 11. Tripospyris furcata, n. sp., × 400 1029

Fig. 12. Petalospyris novena, n. sp., × 400 1062

Basal view of the shell, with the cortinar septum.

Fig. 13. Rhodospyris tricornis, n. sp., × 400 1089

Fig. 14. Desmospyris mammillata, n. sp., × 400 1089

Fig. 15. Phormospyris tricostata, n. sp., × 400 1087

Fig. 16. Zygospyris equus, n. sp., × 300 1056

Fig. 17. Archicircus monostephus, n. sp., × 300 941

Fig. 18. Dipospyris cubus, n. sp., × 400 1036

Basal view of the shell, with the cortinar septum.

Fig. 19. Gamospyris circulus, n. sp., × 200 1042

Fig. 20. Stephanospyris excellens, n. sp., × 300 1043

PLATE 84.

Legion NASSELLARIA.

Order SPYROIDEA.

Family Zygospyrida.

PLATE 84. Zygospyrida. Diam. Page. Fig. 1. Tripospyris capitata, n. sp., × 400 1028 Seen from the dorsal side. Fig. 2. Tripospyris semantis, n. sp., × 300 1026 Seen from the ventral side. Fig. 3. Tripospyris semantis, n. sp., × 300 1026 Seen from the lateral side. Fig. 4. Tripospyris eucolpos, n. sp., × 300 1029 Seen from the dorsal side. Fig. 5. Tripospyris diomma, n. sp., × 400 1026 Half from the right side, half from the basal side. Fig. 6. Tripospyris cortiniscus, n. sp., × 500 1026 Half from the dorsal, half from the right side. Fig. 6a. Frontal section through the ring, × 500 Fig. 7. Tripospyris conifera, n. sp., × 400 1027 Seen from the dorsal side. Fig. 7a. From the basal side, × 200 Fig. 8. Tripospyris euscenium, n. sp. (vel Euscenium tripospyris), × 400 1147 Seen from the frontal or ventral side. Fig. 9. Triceraspyris gazella, n. sp., × 500 1031 Seen from the ventral side. Fig. 10. Triceraspyris damæcornis, n. sp., (vel Elaphospyris damæcornis?); compare p. 1032, × 400 1057 Seen from the apical (or basal?) side. Fig. 11. Triceraspyris giraffa, n. sp., × 400 1031 Seen from the frontal side. Fig. 12. Triceraspyris corallorrhiza, n. sp., × 400 1031 Seen from the frontal side. Fig. 13. Tristylospyris scaphipes, n. sp., × 400 1033 Seen from the dorsal side. Fig. 14. Tristylospyris palmipes, n. sp., × 400 1033 Seen from the dorsal side. Fig. 15. Tristylospyris clavipes, n. sp., × 400 1033 Seen from the basal side.

PLATE 84.

Zygospyrida.

Diam. Page.

Fig. 1. Tripospyris capitata, n. sp., × 400 1028

Seen from the dorsal side.

Fig. 2. Tripospyris semantis, n. sp., × 300 1026

Seen from the ventral side.

Fig. 3. Tripospyris semantis, n. sp., × 300 1026

Seen from the lateral side.

Fig. 4. Tripospyris eucolpos, n. sp., × 300 1029

Seen from the dorsal side.

Fig. 5. Tripospyris diomma, n. sp., × 400 1026

Half from the right side, half from the basal side.

Fig. 6. Tripospyris cortiniscus, n. sp., × 500 1026

Half from the dorsal, half from the right side.

Fig. 6a. Frontal section through the ring, × 500

Fig. 7. Tripospyris conifera, n. sp., × 400 1027

Seen from the dorsal side.

Fig. 7a. From the basal side, × 200

Fig. 8. Tripospyris euscenium, n. sp. (vel Euscenium tripospyris), × 400 1147

Seen from the frontal or ventral side.

Fig. 9. Triceraspyris gazella, n. sp., × 500 1031

Seen from the ventral side.

Fig. 10. Triceraspyris damæcornis, n. sp., (vel Elaphospyris damæcornis?); compare p. 1032, × 400 1057

Seen from the apical (or basal?) side.

Fig. 11. Triceraspyris giraffa, n. sp., × 400 1031

Seen from the frontal side.

Fig. 12. Triceraspyris corallorrhiza, n. sp., × 400 1031

Seen from the frontal side.

Fig. 13. Tristylospyris scaphipes, n. sp., × 400 1033

Seen from the dorsal side.

Fig. 14. Tristylospyris palmipes, n. sp., × 400 1033

Seen from the dorsal side.

Fig. 15. Tristylospyris clavipes, n. sp., × 400 1033

Seen from the basal side.

PLATE 85.

Legion NASSELLARIA.

Order SPYROIDEA.

Family Zygospyrida.

PLATE 85. Zygospyrida. Diam. Page. Fig. 1. Dipospyris forcipata, n. sp., × 300 1037 Fig. 2. Dipospyris irregularis, n. sp., × 200 1037 Fig. 3. Dipospyris chelifer, n. sp., × 300 1037 Fig. 4. Dorcadospyris dinoceras, n. sp., × 400 1041 Fig. 5. Dorcadospyris antilope, n. sp., × 200 1041 Fig. 6. Dorcadospyris dentata, n. sp., × 200 1040 Fig. 7. Dorcadospyris decussata, n. sp., × 200 1041 Fig. 8. Dendrospyris polyrrhiza, n. sp., × 200 1039 Fig. 9. Dendrospyris arborescens, n. sp., × 400 1040 Fig. 10. Stephanospyris cordata, n. sp., × 200 1042 Fig. 11. Stephanospyris verticillata, n. sp., × 300 1043

PLATE 85.

Zygospyrida.

Diam. Page.

Fig. 1. Dipospyris forcipata, n. sp., × 300 1037

Fig. 2. Dipospyris irregularis, n. sp., × 200 1037

Fig. 3. Dipospyris chelifer, n. sp., × 300 1037

Fig. 4. Dorcadospyris dinoceras, n. sp., × 400 1041

Fig. 5. Dorcadospyris antilope, n. sp., × 200 1041

Fig. 6. Dorcadospyris dentata, n. sp., × 200 1040

Fig. 7. Dorcadospyris decussata, n. sp., × 200 1041

Fig. 8. Dendrospyris polyrrhiza, n. sp., × 200 1039

Fig. 9. Dendrospyris arborescens, n. sp., × 400 1040

Fig. 10. Stephanospyris cordata, n. sp., × 200 1042

Fig. 11. Stephanospyris verticillata, n. sp., × 300 1043

PLATE 86.

Legion NASSELLARIA.

Order SPYROIDEA.

Family Zygospyrida.

PLATE 86. Zygospyrida. Diam. Page. Fig. 1. Ceratospyris polygona, n. sp., × 400 1066 Fig. 2. Ceratospyris strasburgeri, n. sp., × 400 1067 Fig. 3. Ceratospyris allmersii, n. sp., × 400 1067 Fig. 4. Ceratospyris mulderi, n. sp., × 400 1067 Fig. 5. Anthospyris aculeata, n. sp., × 400 1065 Fig. 6. Petalospyris dictyocubus, n. sp., × 400 1063 Fig. 7. Liriospyris hexapoda, n. sp., × 400 1049 Fig. 8. Aegospyris caprina, n. sp., × 400 1054 Fig. 9. Ceratospyris preyeri, n. sp., × 400 1068 Fig. 10. Ceratospyris krausei, n. sp., × 400 1068 Fig. 11. Ceratospyris carnerii, n. sp., × 400 1069 Fig. 12. Elaphospyris alcicornis, n. sp., × 400 1057 Fig. 13. Elaphospyris cervicornis, n. sp., × 400 1057

PLATE 86.

Zygospyrida.

Diam. Page.

Fig. 1. Ceratospyris polygona, n. sp., × 400 1066

Fig. 2. Ceratospyris strasburgeri, n. sp., × 400 1067

Fig. 3. Ceratospyris allmersii, n. sp., × 400 1067

Fig. 4. Ceratospyris mulderi, n. sp., × 400 1067

Fig. 5. Anthospyris aculeata, n. sp., × 400 1065

Fig. 6. Petalospyris dictyocubus, n. sp., × 400 1063

Fig. 7. Liriospyris hexapoda, n. sp., × 400 1049

Fig. 8. Aegospyris caprina, n. sp., × 400 1054

Fig. 9. Ceratospyris preyeri, n. sp., × 400 1068

Fig. 10. Ceratospyris krausei, n. sp., × 400 1068

Fig. 11. Ceratospyris carnerii, n. sp., × 400 1069

Fig. 12. Elaphospyris alcicornis, n. sp., × 400 1057

Fig. 13. Elaphospyris cervicornis, n. sp., × 400 1057

PLATE 87.

Legion NASSELLARIA.

Order SPYROIDEA.

Families Zygospyrida et Tholospyrida.

PLATE 87. Zygospyrida et Tholospyrida. Diam. Page. Fig. 1. Gorgospyris medusa, n. sp., × 300 1070 Fig. 2. Gorgospyris medusetta, n. sp., × 300 1070 From the basal side, with the nine cortinar pores. Fig. 3. Gorgospyris polypus, n. sp., × 300 1070 Fig. 4. Gorgospyris schizopodia, n. sp., × 400 1071 Fig. 5. Gorgospyris eurycolpos, n. sp., × 300 1071 Fig. 6. Gorgospyris liriope, n. sp., × 300 1071 Fig. 7. Tiarospyris pervia, n. sp., × 400 1082 Fig. 8. Tiarospyris amphora, n. sp., × 400 1083 Fig. 9. Tiarospyris mitra, n. sp., × 400 1082 From the ventral side. Fig. 10. Tiarospyris mitra, n. sp., × 400 1082 From the dorsal side. Fig. 11. Petalospyris octopus, n. sp., × 400 1061 Fig. 12. Petalospyris dinoceras, n. sp., × 400 1063 Fig. 13. Petalospyris lobata, n. sp., × 300 1064 Fig. 14. Petalospyris triomma, n. sp., × 200 1060 From the basal side, with the six cortinar pores. Fig. 15. Anthospyris spathulata, n. sp., × 400 1065 Fig. 16. Anthospyris mammillata, n. sp., × 400 1064 Fig. 17. Anthospyris tragopogon, n. sp., × 300 1066 Fig. 18. Anthospyris doronicum, n. sp., × 300 1065 Fig. 19. Ceratospyris calorrhiza, n. sp., × 400 1069

PLATE 87.

Zygospyrida et Tholospyrida.

Diam. Page.

Fig. 1. Gorgospyris medusa, n. sp., × 300 1070

Fig. 2. Gorgospyris medusetta, n. sp., × 300 1070

From the basal side, with the nine cortinar pores.

Fig. 3. Gorgospyris polypus, n. sp., × 300 1070

Fig. 4. Gorgospyris schizopodia, n. sp., × 400 1071

Fig. 5. Gorgospyris eurycolpos, n. sp., × 300 1071

Fig. 6. Gorgospyris liriope, n. sp., × 300 1071

Fig. 7. Tiarospyris pervia, n. sp., × 400 1082

Fig. 8. Tiarospyris amphora, n. sp., × 400 1083

Fig. 9. Tiarospyris mitra, n. sp., × 400 1082

From the ventral side.

Fig. 10. Tiarospyris mitra, n. sp., × 400 1082

From the dorsal side.

Fig. 11. Petalospyris octopus, n. sp., × 400 1061

Fig. 12. Petalospyris dinoceras, n. sp., × 400 1063

Fig. 13. Petalospyris lobata, n. sp., × 300 1064

Fig. 14. Petalospyris triomma, n. sp., × 200 1060

From the basal side, with the six cortinar pores.

Fig. 15. Anthospyris spathulata, n. sp., × 400 1065

Fig. 16. Anthospyris mammillata, n. sp., × 400 1064

Fig. 17. Anthospyris tragopogon, n. sp., × 300 1066

Fig. 18. Anthospyris doronicum, n. sp., × 300 1065

Fig. 19. Ceratospyris calorrhiza, n. sp., × 400 1069

PLATE 88.

Legion NASSELLARIA.

Orders STEPHOIDEA et SPYROIDEA.

Families Tympanida et Androspyrida.

PLATE 88. Tympanida et Androspyrida. Diam. Page. Fig. 1. Toxarium circospyris, n. sp., × 400 995 Fig. 2. Amphispyris sternalis, n. sp., × 300 1096 Fig. 3. Amphispyris costata, n. sp., × 300 1097 Fig. 4. Amphispyris thorax, n. sp., × 300 1096 Fig. 5. Amphispyris subquadrata, n. sp., × 300 1097 Fig. 6. Amphispyris quadrigemina, n. sp., × 300 1096 Fig. 7. Amphispyris toxarium, n. sp., × 300 1097 Fig. 8. Tricolospyris baconiana, n. sp., × 400 1098 Fig. 9. Tricolospyris leibnitziana, n. sp., × 600 1098 Fig. 10. Tricolospyris kantiana, n. sp., × 600 1098 Fig. 11. Tricolospyris newtoniana, n. sp., × 400 1098 Fig. 12. Perispyris lentellipsis, n. sp., × 400 1099 Fig. 13. Perispyris bicincta, n. sp., × 400 1099

PLATE 88.

Tympanida et Androspyrida.

Diam. Page.

Fig. 1. Toxarium circospyris, n. sp., × 400 995

Fig. 2. Amphispyris sternalis, n. sp., × 300 1096

Fig. 3. Amphispyris costata, n. sp., × 300 1097

Fig. 4. Amphispyris thorax, n. sp., × 300 1096

Fig. 5. Amphispyris subquadrata, n. sp., × 300 1097

Fig. 6. Amphispyris quadrigemina, n. sp., × 300 1096

Fig. 7. Amphispyris toxarium, n. sp., × 300 1097

Fig. 8. Tricolospyris baconiana, n. sp., × 400 1098

Fig. 9. Tricolospyris leibnitziana, n. sp., × 600 1098

Fig. 10. Tricolospyris kantiana, n. sp., × 600 1098

Fig. 11. Tricolospyris newtoniana, n. sp., × 400 1098

Fig. 12. Perispyris lentellipsis, n. sp., × 400 1099

Fig. 13. Perispyris bicincta, n. sp., × 400 1099

PLATE 89.

Legion NASSELLARIA.

Order SPYROIDEA.

Families Zygospyrida, Tholospyrida et Androspyrida.

PLATE 89. Zygospyrida, Tholospyrida et Androspyrida. Diam. Page. Fig. 1. Tholospyris tripodiscus, n. sp., × 400 1079 Ventral side. Fig. 2. Tholospyris fenestrata, n. sp., × 400 1079 Dorsal side. Fig. 3. Tholospyris ramosa, n. sp., × 400 1079 Dorsal side. Fig. 4. Tholospyris cupola, n. sp., × 400 1080 Ventral side. Fig. 5. Therospyris leo, n. sp., × 400 1059 Ventral side. Fig. 6. Therospyris felis, n. sp., × 400 1059 Dorsal side. Fig. 7. Dictyospyris stalactites, n. sp., × 400 1073 Ventral side. Fig. 8. Dictyospyris anthophora, n. sp., × 400 1076 Ventral side. Fig. 9. Dictyospyris mammillaris, n. sp., × 400 1076 Ventral side. Fig. 10. Dictyospyris mammillaris, n. sp., × 400 1076 Frontal section. Fig. 11. Dictyospyris distoma, n. sp., × 300 1073 Ventral side. Fig. 12. Dictyospyris distoma, n. sp., × 300 1073 Frontal section. Fig. 13. Lamprospyris darwinii, n. sp., × 300 1094 Ventral side. Fig. 14. Lamprospyris huxleyi, n. sp., × 300 1094 Ventral side.

PLATE 89.

Zygospyrida, Tholospyrida et Androspyrida.

Diam. Page.

Fig. 1. Tholospyris tripodiscus, n. sp., × 400 1079

Ventral side.

Fig. 2. Tholospyris fenestrata, n. sp., × 400 1079

Dorsal side.

Fig. 3. Tholospyris ramosa, n. sp., × 400 1079

Dorsal side.

Fig. 4. Tholospyris cupola, n. sp., × 400 1080

Ventral side.

Fig. 5. Therospyris leo, n. sp., × 400 1059

Ventral side.

Fig. 6. Therospyris felis, n. sp., × 400 1059

Dorsal side.

Fig. 7. Dictyospyris stalactites, n. sp., × 400 1073

Ventral side.

Fig. 8. Dictyospyris anthophora, n. sp., × 400 1076

Ventral side.

Fig. 9. Dictyospyris mammillaris, n. sp., × 400 1076

Ventral side.

Fig. 10. Dictyospyris mammillaris, n. sp., × 400 1076

Frontal section.

Fig. 11. Dictyospyris distoma, n. sp., × 300 1073

Ventral side.

Fig. 12. Dictyospyris distoma, n. sp., × 300 1073

Frontal section.

Fig. 13. Lamprospyris darwinii, n. sp., × 300 1094

Ventral side.

Fig. 14. Lamprospyris huxleyi, n. sp., × 300 1094

Ventral side.

PLATE 90.

Legion NASSELLARIA.

Order SPYROIDEA.

Family Androspyrida.

PLATE 90. Androspyrida. Diam. Page. Fig. 1. Nephrospyris paradictyum, n. sp. (vel Paradictyum paradoxum), × 250 1102 The complete shell, seen from the frontal side. Fig. 2. Nephrospyris paradictyum, n. sp., × 250 1102 The incomplete shell, seen from the dorsal side. Fig. 3. Nephrospyris paradictyum, n. sp., × 500 1102 The sagittal ring, isolated, from the dorsal side; more enlarged. Fig. 4. Nephrospyris paradictyum, n. sp., × 120 1102 Vertical section through half the shell, exhibiting the thickened margin with the included symbiontes (compare page 1101). Fig. 5. Nephrospyris paradictyum, n. sp., × 200 1102 Oblique marginal view of the shell. Fig. 6. Nephrospyris paradictyum, n. sp., × 250 1102 Marginal view of a young specimen, with open fissure between the two parallel net-plates. Fig. 7. Nephrospyris paradictyum, n. sp., × 250 1102 The soft body alone, without the skeleton. The bilobed central capsule exhibits a central transverse nucleus, and on each lobe a stratum of oil-globules. The kidney-shaped calymma contains on the margin numerous symbiontes (Xanthellæ or Vorticellinæ? Compare page 1102). Fig. 8. Nephrospyris paradictyum, n. sp., × 500 1102 Three single unicellular symbiontes (Zooxanthellæ?). Fig. 9. Nephrospyris renilla, n. sp. (vel Nephrodictyum renilla), × 250 1101 The bilobed central capsule is enclosed by the discoidal shell and in the middle constricted by the sagittal ring; it contains a transverse nucleus. The kidney-shaped calymma contains in the peripheral part numerous symbiontes (Xanthellæ or Vorticellinæ? Compare page 1101). Fig. 10. Nephrospyris renilla, n. sp., × 250 1101 A singular abnormality (occurring not rarely), in which the reduced skeleton has nearly disappeared and the sagittal ring alone remained. The kidney-shaped calymma, however, which encloses numerous symbiontes, has preserved the form of the skeleton. The bilobed central capsule is similar to that in figs. 7 and 9, and is encircled by the thickened sagittal ring.

PLATE 90.

Androspyrida.

Diam. Page.

Fig. 1. Nephrospyris paradictyum, n. sp. (vel Paradictyum paradoxum), × 250 1102

The complete shell, seen from the frontal side.

Fig. 2. Nephrospyris paradictyum, n. sp., × 250 1102

The incomplete shell, seen from the dorsal side.

Fig. 3. Nephrospyris paradictyum, n. sp., × 500 1102

The sagittal ring, isolated, from the dorsal side; more enlarged.

Fig. 4. Nephrospyris paradictyum, n. sp., × 120 1102

Vertical section through half the shell, exhibiting the thickened margin with the included symbiontes (compare page 1101).

Fig. 5. Nephrospyris paradictyum, n. sp., × 200 1102

Oblique marginal view of the shell.

Fig. 6. Nephrospyris paradictyum, n. sp., × 250 1102

Marginal view of a young specimen, with open fissure between the two parallel net-plates.

Fig. 7. Nephrospyris paradictyum, n. sp., × 250 1102

The soft body alone, without the skeleton. The bilobed central capsule exhibits a central transverse nucleus, and on each lobe a stratum of oil-globules. The kidney-shaped calymma contains on the margin numerous symbiontes (Xanthellæ or Vorticellinæ? Compare page 1102).

Fig. 8. Nephrospyris paradictyum, n. sp., × 500 1102

Three single unicellular symbiontes (Zooxanthellæ?).

Fig. 9. Nephrospyris renilla, n. sp. (vel Nephrodictyum renilla), × 250 1101

The bilobed central capsule is enclosed by the discoidal shell and in the middle constricted by the sagittal ring; it contains a transverse nucleus. The kidney-shaped calymma contains in the peripheral part numerous symbiontes (Xanthellæ or Vorticellinæ? Compare page 1101).

Fig. 10. Nephrospyris renilla, n. sp., × 250 1101

A singular abnormality (occurring not rarely), in which the reduced skeleton has nearly disappeared and the sagittal ring alone remained. The kidney-shaped calymma, however, which encloses numerous symbiontes, has preserved the form of the skeleton. The bilobed central capsule is similar to that in figs. 7 and 9, and is encircled by the thickened sagittal ring.

PLATE 91.

Legion NASSELLARIA.

Orders NASSOIDEA et PLECTOIDEA.

Families Nassellida, Plagonida et Plectanida.

PLATE 91. Nassellida, Plagonida et Plectanida. Diam. Page. Fig. 1. Cystidium princeps, n. sp., × 400 897 Fig. 2. Triplagia primordialis, n. sp., × 100 909 Fig. 3. Tetraplagia phænaxonia, n. sp., × 200 911 Fig. 4. Plagoniscus tripodiscus, n. sp., × 200 912 Fig. 5. Plagiocarpa procortina, n. sp., × 300 914 Fig. 6. Plagonium sphærozoum, n. sp., × 300 916 Fig. 7. Triplecta triactis, n. sp., × 300 922 Fig. 8. Tetraplecta pinigera, n. sp., × 300 924 Fig. 9. Plectaniscus cortiniscus, n. sp., × 300 925 Fig. 10. Periplecta cortina, n. sp., × 400 926 Fig. 11. Plectanium trigeminum, n. sp., × 400 928 Fig. 12. Polyplecta heptacantha, n. sp., × 300 929

PLATE 91.

Nassellida, Plagonida et Plectanida.

Diam. Page.

Fig. 1. Cystidium princeps, n. sp., × 400 897

Fig. 2. Triplagia primordialis, n. sp., × 100 909

Fig. 3. Tetraplagia phænaxonia, n. sp., × 200 911

Fig. 4. Plagoniscus tripodiscus, n. sp., × 200 912

Fig. 5. Plagiocarpa procortina, n. sp., × 300 914

Fig. 6. Plagonium sphærozoum, n. sp., × 300 916

Fig. 7. Triplecta triactis, n. sp., × 300 922

Fig. 8. Tetraplecta pinigera, n. sp., × 300 924

Fig. 9. Plectaniscus cortiniscus, n. sp., × 300 925

Fig. 10. Periplecta cortina, n. sp., × 400 926

Fig. 11. Plectanium trigeminum, n. sp., × 400 928

Fig. 12. Polyplecta heptacantha, n. sp., × 300 929

PLATE 92.

Legion NASSELLARIA.

Order STEPHOIDEA.

Families Stephanida et Semantida.

PLATE 92. Stephanida et Semantida. Diam. Page. Fig. 1. Semantis sigillum, n. sp., × 400 957 Fig. 2. Semantis biforis, n. sp., × 300 956 Fig. 3. Semantrum tetrastoma, n. sp., × 300 959 Fig. 4. Semantrum signarium, n. sp., × 400 960 Fig. 5. Semantrum quadrifore, n. sp., × 400 958 Fig. 6. Semantidium hexastoma, n. sp., × 400 960 Fig. 7. Semantidium signatorium, n. sp., × 400 961 Fig. 8. Clathrocircus stapedius, n. sp., × 400 962 Fig. 9. Clathrocircus dictyospyris, n. sp., × 300 963 Fig. 10. Clathrocircus multiforis, n. sp., × 300 963 Fig. 11. Cortiniscus tripodiscus, n. sp., × 400 963 Fig. 12. Cortiniscus typicus, n. sp., × 300 964 Fig. 13. Cortiniscus dipylaris, n. sp., × 400 964 Fig. 14. Stephaniscus quadrifurcus, n. sp., × 300 965 Fig. 15. Stephaniscus quadrigatus, n. sp., × 400 965 Fig. 16. Semantiscus hexapodius, n. sp., × 400 966 Fig. 17. Semantiscus hexapylus, n. sp., × 400 967 Fig. 18. Semantiscus hexaspyris, n. sp., × 400 966 Fig. 19. Lithocircus tarandus, n. sp., × 400 944 Fig. 20. Stephanium quadrupes, n. sp., × 200 952 Fig. 21. Cortina cervina, n. sp., × 300 952

PLATE 92.

Stephanida et Semantida.

Diam. Page.

Fig. 1. Semantis sigillum, n. sp., × 400 957

Fig. 2. Semantis biforis, n. sp., × 300 956

Fig. 3. Semantrum tetrastoma, n. sp., × 300 959

Fig. 4. Semantrum signarium, n. sp., × 400 960