INDEX.

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z

Abdomen, 129. Aberration, chromatic, 173. Aberration, spherical, 172. Acalephæ, 153. Acarus, 131. Accumbent, 44. Achromatic, 178. Achromatic condenser, 5. Achromatism, 177. Acicular, 24. Acotyledons, 43. Acrocarpi, 55. Acrostalagmus, 111. Actinocyclus, 80. Actinophrys, 156. Adapter, 2. Adulteration, 23. Æcidium, 100. Agaricus, 97. Albumen, of seeds, 43. ——, of eggs, 113. Algæ, 64. Alyscum, 161. Amœba, 155. Amphileptus, 162. Angiocarpi, 94. Angle of vision, 175. Anguillula, 152. Angular, 23. Animal tissues, 113. Ankistrodesmus, 74. Annular vessels, 27. Annulus, of Ferns, 50. ——, of Fungi, 98. ——, of Mosses, 55. Anoplura, 135. Ant, 143. Antennæ, of Entomostraca, 127. Antennaria, 111. Anthers, 37, 39. Antheridia, of Algæ, 65. ——, of Ferns, 52. Antheridia, of Mosses, 61. Anthophysa, 160. Antlia, 145. Apex, 37. Aphis, 146. Apiculate, 101. Aplanatic, 177. Aplanatism, 176. Apothecia, 92. Apple-pulp, 19. Apple, skin of, 41. Arachnida, 130. Arcella, 156. Archegonia, of Ferns, 52. ——, of Mosses, 62. Arcuate, 78. Areolæ, 116. Areolar tissue, 116. Arrow-root, 23. Arteries, 114. Articulata, 127. Asci, of Fungi, 97. ——, of Lichens, 92. Ascomycetes, 107. Ash, 25. Aspergillus, 106. Aspidium, 50. Astasia, 160. Atropos, 145. Bacterium, 86. Balsam, garden-, 25. ——, Canada, 12. Bark, 36. Basidia, 98. Bast, 26. Batrachospermeæ, 72. Batrachospermum, 72. Beards of Oyster, 125. Bee, 143. Beetles, 146. Bermuda deposit, 81. Bipinnatifid, 50. Bivalve, 128. Blood, 114. ——, of Birds, 119. ——, of Fishes, 121. ——, of Reptiles, 120. Blood-corpuscles, 111. Blood-worm (Chironomus), 143. Blue-bottle, 137. Blue mould, 106. Bone, of Birds, 119. ——, of Reptiles, 120. ——, of Mammals, 114. Bordered dots, 28. Bothrenchyma, 28. Botrytis, 105. Branchiæ, 125. Bread, 23. Bryozoa, 125. Bryum, 59. Buds, 47. Bug, 145. Bull’s-eye, 6. Bunt, 102. Butterflies, 144. Cabbage-butterfly, 145. Calicium, 94. Calyptra, 55. Calyx, 37. Calcareous, 66. Camera lucida, 18. Campylodiscus, 78. Canaliculi, 115. Cancelli, 114. Capillaries, 114. Capillary, 69. Carapace, 127. Caraway, 41. Carpels, 41. Cartilage, 115. Caterpillars, 145. Cell-contents, 21. Cell-formation, 29. Cells, 19. Cell-wall, 19. Cellular tissue, animal, 116. —— tissue of plants, 20. Cement, 16. Cephalothorax, 130. Ceramiaceæ, 69. Ceramidia, 66. Ceramium nodosum, 69. —— rubrum, 70. Cercomonas, 159. Chætomium, 110. Chætophoraceæ, 71. Chara, 88. Cheese-mite, 131. Chelate, 131. Chickweed, 37. ——, seeds of, 42. Chilodon, 162. Chin of Insects, 147. Chironomus, 143. Chitine, 136. Chloride of calcium, 15. Chlorococcum, 87. Chlorophyll, 21. Chrysalis, 141. Chrysanthemum, 25. Cilia, 52, 157. Circulation in Plants, 31. Cladonia, 93. Cladophora, 71. Classification, 164. Clavarini, 99. Clavate, 147. Closterium, 74. Coarse movement, 2. Coccidia, 69. Coccinella, 147. Cocconeis, 79. Cocoa-nut fibre, 26. Cœlenterata, 153. Coleochæte, 72. Coleoptera, 146. Coleps, 163. Collomia, seeds of, 42. Colpoda, 161. Columella, of Mosses, 62. ——, of Mucor, 111. Complementary colours, 183. Compound animals, 126. Concentric, 114. Conceptacles, of Algæ, 65. Conduplicate, 44. Conferva bombycina, 71. —— floccosa, 71. Confervaceæ, 70. Confervoideæ, 70. Conidia, 100. Coniferæ, 26. Coniomycetes, 99. Conjugation, 73. Continuous, 103. Convolvulus, pollen of, 39. Coral, 153. Corallina, 66. Corallinaceæ, 66. Corallines, 66. Coremium, 106. Corolla, 37. Coscinodiscus, 81. Cotton, 118. Cotton-plant, 33. Cotyledons, 43, 44. Covers, 6. Coxa, 139. Crenate, 50. Crocus, pollen-tubes of, 40. Cruciferæ, 44. Crustacea, 127. Crustaceous, 91. Cryptogamic plants, 48. —— ——, seeds of, 43. Ctenoid, 121. Cucumber, 42. Culex, 141. Culm, 34. Cuneate, 79. Cup-moss, 93. Curculionidæ, 149. Cycloid, 121. Cyclops, 128. Cypris, 128. Dacrymyces, 99. Daphnia, 129. Dasya, 68. Day-flies, 145. Deal, 26. Delesseria, 69. Dematiei, 104. Desmidiaceæ, 73. Diamond-beetles, 149. Diaphragm, 3. Diatoma, 78. Diatomaceæ, 75. ——, fossil, 82. ——, markings on, 81. ——, preparation of, 82. Dichotomous, 67. Dicotyledons, leaves of, 35. ——, seeds of, 43. ——, stems of, 35. Dicranum, 57. Differentiation, 47. Dimidiate, 55. Dinobryina, 160. Dinobryon, 160. Diœcious, 38. Dipping-tubes, 4. Diptera, 137. Dispersion, 178. Division, spontaneous, 159. Dothidea, 108. Dragon-flies, 145. Draparnaldia, 71. Dry rot, 98. Ducts, 27. Dung-beetle, 132. Dytiscus, 148. Eccremocarpus, seeds of, 42. Echinodermata, 153. Echinus, 153. Elbowed, 149. Elder, 25. Elements, vegetable, 19. Elytra, 147. Emarginate, 146. Embryo, 42. Embryo-sac, 46. Embryonal vesicles, 46. Enchelys, 161. Encysting, 159. Endogenous, 29. Endogens, leaves of, 35. ——, seeds of, 44. ——, stems of, 44. Enteromorpha, 87. Entomostraca, 127. Entozoa, 151. Ephemera, 145. Epidermis, animal, 117. ——, vegetable, 31. Epithemia, 77. Equisetum, 34. Erector, 5. Erysiphe, 110. Euglena, 160. Excipulum, 92. Excurrent, 57. Exogenous, 29. Exogens, leaves of, 35. ——, seeds of, 43. ——, stems of, 35. Eye-pieces, 4, 179. Eyes, compound, 138. Facets, 138. Favellæ, 70. Feathers, 119. Feathery, 127. Femur, 139. Ferns, 49. ——, reproduction of, 51. Fertilization, 45. Fibro-cellular tissue, 25. Fibro-vascular tissue, 31. Field, 7. Filament, 37. ——, flagelliform, 159. Fine movement, 2. Fish-crystals, 122. Flagelliform, 159. Flax, 26, 118. Flea, 136. Flocci, 103. Florideæ, 66. Floscularia, 151. Flowers, 37. Flustra, 126. Fly, 138. Fly-blows, 139. Focus, 171. Foot-jaws, 127. Foramen, 45. Foramina, 114. Foraminifera, 156. Forceps, 4. Forked veins, 50. Fovilla, 160. Fragilaria, 78. Fronds, 49. Fruit, 40. Frustules, 75. Fucoideæ, 64. Fucus, 65. Fulcra, 110. Funaria, 58. Fungi, 96. Funiculus, 45. Fusiform, 110. Galls, 111. Gamasus, 132. Gasteromycetes, 99. Gemmation, 159. Gentles, 140. Geranium, leaf of, 21. ——, petals of, 20, 38. Germinate, 43. Gills, of Fungi, 97. ——, of Mollusca, 125. Glands, 40. Glandular, 31. —— tissue, 26. Glœocapsa, 88. Glumes, 37. Glycerine, 14. Gnats, 141. Gomphonema, 79. Gonidia, of Algæ, 71. ——, of Lichens, 92. Gonium pectorale, 83. —— tranquillum, 84. Grape-Fungus, 105. Graphis, 94. Green fly, 146. Gristle, 115. Groundsel, 33. Guard-cells, 34. Gymnocarpi, 94. Gymnostomum, 56. Gyrosigma angulatum, 80. —— attenuatum, 79. Hairs, 31. ——, animal, 117. Hart’s-tongue Fern, 51. Harvest-bug, 132. Haversian canals, 114. Helvellacei, 107. Hemiptera, 145. Hemp, 26. Hermaphrodite, 38. Heteromita, 160. Hilum, 22. Hoop, 76. Humble Bee, 144. Hundred-legs, 133. Hyalotheca, 74. Hydnei, 99. Hydra, 153. Hymenium, 98. Hymenomycetes, 97. Hymenoptera, 143. Hyphomycetes, 103. Hypnea, 69. Hypnum, 60. Hysterium, 108. Illumination, 8. Imago, 141. Imbricate, 56. Incumbent, 44. Indusium, 51. Inflated, 110. Infusoria, 157. Injection, 116. Innovations, 55. Insects, 133. Intercellular passages, 20. Intercellular spaces, 20. Iodine, 22. Isaria, 104. Jania, 67. Jaws, of Insects, 147. Joints, of Insects, 136. Jute, 26. Knife, 4. Labels, 17. Labial palpi, 134. Labium, 147. Labrum, 147. Lacunæ, 115. Lady-bird, 147. Lanceolate, 78. Leaves, 31. Legs, of insects, 139. Lenses, 170. Lentil, 23. Lepidoptera, 144. Lepisma, 134. Liber, 26, 35. Lice, 135. Lichens, 91. Lieberkuhn, 7. Light, 167. Lime, 25. Lips, of insects, 147. Lirellæ, 94. Lithobius, 133. Lithocystis, 67. Live-box, 4. London pride, anthers of, 39. Longitudinal, 30. Lunate, 147. Lyngbya, 85. Magnification, 175. Magnifying power, 17. Mammalia, 113. Mandibles, of insects, 147. ——, of Spiders, 130. Mantle, 123. Marrow, 114. Matrix, 91, 96. Maxillæ, 147. Medium, 168. Medulla, 35. Medullary sheath, 35. Melanosporeæ, 64. Melobesia, 67. Melosira, 79. Membrane, 31. Membranipora, 126. Mentum, 147. Merulius, 98. Micrasterias, 74. Micropyle, of seeds, 46. Microscope, 1. ——, simple, 5. Midrib, 50. Mignonette, seeds of, 42. Mildew, 101. Mirror, 2, 3. Mitriform, 55. Mollusca, 122. Monadina, 159. Monas, 159. Moniliform, 31. Monocotyledons, leaves of, 35. ——, seeds of, 43. ——, stems of, 36. Monœcious, 38. Mosses, 54. Moths, 144. Mould of paste, 111. Moulds, 96. Mounting, 10. Mouth of insects, 147. Mucedines, 105. Mucor, 111. Muscles, 115. Mushroom, 97. Mustard and cress, 43. ——, cotyledons of, 44. Mycelium, 96. Myriapoda, 133. Nacre, 123. Nassula, 162. Needles, mounted, 4. Nemaspora, 100. Nerves, of leaves, 31. Neuroptera, 145. Newt, 120. Nicol’s prism, 6, 184. Nitella, 88. Nitzschia, 78. Nodding, 59. Nodule, 79. Nostoc, 86. Nucleolus, 21. Nucleus, 21. ——, of Infusoria, 159. ——, of ovule, 45. Oak-apple, 111. Oat, 23. Object-glasses, 2. Oblique, 30. —— light, 9. Obovate, 57. Obtuse, 50. Ocelli, of Spiders, 130. Oidium, 105. Opegrapha, 94. Operculum, 55. Optic axes, 183. Orange, rind of, 40. Organs, vegetable, 31. Oscillatoria autumnalis, 84. —— nigra, 85. Oscillatoriaceæ. 84. Ovary, of animals, 137. —— of plants, 37, 40. Ovate, 56. Ovigerous vesicles, 154. Ovisacs, 154. Ovules, 45. Ovum, 113. Oxytricha, 161. Oyster-shell, 123. Paleæ, 37. Palmella, 88. Palmellaceæ, 87. Palpi, of insects, 147. Papilla, 39. Papillæ, of skin, 116. Papillose, 39. Paramecium, 161. Paraphyses, 61. Parenchyma, 20. Parmelia, 91. Pear, 29. Pearls, 123. Pectinate, 69. Pediastrum, 74. Pedicels, 103. Pencil, 128. Penicillium, 106. Perianth, 37. Pericarp, 40. Perichætial, 60. Peridiola, 110. Peridium, 99, 100. Perigonial, 61. Perispore, 65. Peristome, 55. Perithecium, 107. Petals, 37, 38. Peziza, 107. Phases, 184. Phragmidium, 101. Physarum, 99. Physomycetes, 110. Pigment, 117. Pileus, 97. Pinnæ, 51. Pinnate, 51. Pinnatifid, 50. Pinnularia, 79. Pinnules, 51. Pistil, 37. Placenta, 45. Pleurenchyma, 26. Pleurocarpi, 55. Pleurosigma, 79. Plocamium, 69. Plumose, 127. Plum-stone, 29. Plumule, 43. Podetia, 93. Podophrya, 162. Podura, 134. Polariscope, 6. Polarization of light, 180. Pollen, 37. Pollen-granules, 39. Pollen-tubes, 40. Polycystina, 156. Polypi, 153. Polypidom, 125. Polypodiaceæ, 50. Polypodium, 50. Polyporei, 99. Polysiphonia, 68. Polytrichum, 58. Polyzoa, 126. Polyzoary, 126. Poppy, seeds of, 42. Pore, 109. Pores, in wood, 28. Porous cells, 25. Potato, 22. Potato-fungus, 105. Primine, 45. Primordial utricle, 21. Primrose, pollen of, 39. Prismatic, 24. Proboscis, 146. Prolegs, 145. Prosenchyma, 25. Prothallium, 51. Protoplasm, 21. Protozoa, 155. Pterodina, 151. Puccinia, 101. Puff-balls, 99. Pulex, 135. Pulvilli, 139. Puncta, 79. Pupa, 141. Quadrate, 147. Racodium, 111. Radiata, 153. Radicle, 43. Ramenta, 49. Raphides, 24. Receptacles, of Algæ, 65. ——, of secretion, 40. Red Spider, 132. Reflexion, 169. Refraction, 168. Reindeer moss, 93. Reproductive organs, 48. Reptiles, 120. Resting spores, 83. Reticulated, 54, 129. —— vessel, 27. Rhabdonema, 80. Rhinotrichum, 107. Rhizome, 49. Rhizopoda, 155. Rhodomelaceæ, 67. Rhodospermeæ, 66. Rhodymeniaceæ, 69. Rhubarb, 25. Rice, 23. Richmond earth, 82. Rings, annual, 36. Roe of fishes, 122. Rootlets, 36. Roots, 36. Rostrate, 56. Rostrum, 131. Rotating disk, 6. Rotation, 31. Rotatoria, 149. Rotifer, 150. Rotifera, 149. Sacculi, gastric, 158. San Fiori deposit, 82. Sarcode, 155. Scalariform ducts, 49. Scales, of fishes, 121. ——, of Podura, 134. ——, of insects, 144. Scar of seeds, 46. Scenedesmus, 74. Schizogonium, 86. Scolopendrium, 51. Sea-weeds, 64. Sections, 30. Secundine, 45. Seeds, 42. Selenite, 24. Sepals, 37. Septa, 99. Septate, 100. Serrate, 51. Sertularia, 154. Sessile, 54. Setaceous, 133. Setæ, 129. —— of Infusoria, 158. Shell, 122. Side condenser, 6. Silk, 118. Simple microscope, 5. Sines, 168. Siphonaceæ, 84. Skin, 116. Slides, 6. Smut, 102. Snapdragon, petals of, 39. Snowberry, 42. Sori, of Ferns, 50. Spawn, of Fungi, 97. Spectrum, 173. Spermatia, 93. Spermatozoa, of Algæ, 65. ——, of Ferns, 52. ——, of Fishes, 122. ——, of Mosses, 61. Spermogonia, of Fungi, 101. ——, of Lichens, 92. Sphæria, 109. —— fragiformis, 104. Sphagnum, 56. Spicula, 157. Spiders, 130. Spiderwort, 31. Spinnerets, 131. Spiracles, 134. Spiral cells, 25. Spiral vessels, 27. Spirit-lamp, 5. Spirogyra, 72. Spirulina, 85. Sponges, 156. Spongidæ, 156. Sporangium, of Ferns, 54. Spores, 50. Sporocybe, 104. Sporophylles, 69. Stage, 2. Stamens, 37. Starch, 22. Starfishes, 153. Stellate, 31. Stems, 35. Stentor, 163. Sterigmata, 98. Steropus, 146. Stichidia, 68. Stigma, 37. Stilbacei, 103. Sting, of Wasp, 144. Stinging-organs, 154. Stings, 33. Stipes, 76, 97. Stomata, 34. Stomoxys, 141. Striated, 33. Stroma, 108. Struma, 58. Style of plants, 37. Stylospores, 100. Suctorial, 135. Suture, 73, 76. Synedra, 78. Synura, 83. Tabellaria, 79. Tabular, 83. Tangential, 30. Tape-worm, 152. Tarsus, 139. Tentacles, 124, 153. Testa, 42. Tetraspores, 167. Thalamium, 92. Thallus, 91. Thecæ, 50. Thorax, 129. Thread-worm, 152. Tibia, 139. Tissues, vegetable, 19. Toad-stools, 96. Tongue, of Mollusca, 123. Tortula, 57. Torula, 100. Tourmaline, 181. Tous les mois, 24. Trabeculæ, 59. Tracheæ, 134. Trachelomonas, 160. Tradescantia, 31. Transverse, 148. —— section, 30. Tremellini, 99. Trichothecium, 105. Triton, 120. Trochanter, 139. Trombidium, 132. Truffle, 108. Truncated, 27. Tuberacei, 108. Tubercularia, 103. Tuberculate, 101. Tubular cells, 25. Tufts, 25. Turnip-fly, 146. Turpentine, 27. Ulothrix, 86. Ulva, 87. Ulvaceæ, 86. Umbelliferæ, 41. Uncorrected lens, 178. Uniseptate, 101. Uredo, 102. —— candida, 102. —— caries, 102. —— linearis, 109. —— rubigo, 109. —— segetum, 102. Vaginicola, 163. Vaginule, 62. Valve, 76. Vascular tissue, 27. Vaucheria, 84. Vegetable elements, 19. —— organs, 31. Veil, 98. Veins, of animals, 114. ——, of leaves, 31, 35. Velum, 98. Vertebra, 113. Vertebrata, 113. Vesicles, contractile, 159. ——, embryonal, 46. Vessels, 27. Vibrio spirillum, 85. Vision, 174. Vittæ, of seeds, 40. Volva, 98. Volvocineæ, 83. Volvox, 83. Vorticella, 162. Wallflower, anthers of, 39. Wasp, 143. Water-beetle, 148. Web, spider’s, 131. Wheat, cotyledon of, 45. Wheat-flour, 23. Wheel-animalcules, 150. Whelk, 123. Wine-cellar Fungus, 111. Winged seeds, 42. Winter ova, 128. Wood-cells, 25. Wood-louse, 127. Woody fibre, 25. —— tissue, 25. Wool, 118. Xanthidia, 75. Yeast, 106. Zygnema, 72. Zygnemaceæ, 2. Zoospores, 71.

TAYLOR AND FRANCIS, PRINTERS, RED LION COURT, FLEET STREET.