Part 2 — INDEX.

PART I.—HARVESTING ANTS.

Ælian on harvesting ants, 7-9. Aldrovandus, radicle of seed gnawed by ants, 9. Algiers, harvesters observed in, 52. Aphides and cocci not sought by harvesting ants, 48. Atta barbara, 15, &c.; barbara var., 16, 31, 63; barbata, 12; cephalotes, 13; diffusa, 12 (note), 65; megacephala, 16, working at night, 49; providens, 12 (note), 65; rufa, 12 (note), 64; structor, 16, 29, 63, working at night, 49. Battles of ants between different colonies of the same species, 37, 40; with caterpillar, 41. Capri, harvesting ants at, 68. Captive ants, 42-49. Crematogaster scutellaris, 62; sordidulus, 63. Dispersal of seeds by means of ants, 4, 21, 53, 55. Distribution of harvesting ants, 52, 57, 59. Enemies of the ants, 56. Formica cruentata, 37, 61; cursor, 62; emarginata, 61, working at night, 49; erratica, 37, 62; fusca, 51, 61; marginata, 62; nigra, 5 (note); nigerrima, 52; viatica, 52. Galls found in ants' nests, 36. Germination of seeds arrested by ants, 20, 25, 26, 40; this fact mentioned by Aldrovandus, 9. Granaries, structure of, 22, 23, 31, 32, 49, 54; position of, 31; contents of, 27; time required to construct, 45. Insects inhabiting ants' nests, 35, 36, 56. Jerdon (Dr.) on harvesting ants in India, 12, 64, 65. Kirby and Spence, assertion that ants do not harvest in Europe, 10. Mistakes made by ants, 19, 37. Mouth organs of ants, 48. Myrmica cæspitum, 37, 51, 63. Occasional harvesters, 51. Œcodoma cephalotes, 13; diffusa, 12 (note), 65; providens, 12 (note), 65. Pheidole megacephala, 16, 50, 63, working at night, 49; pallidula, 51, 63. Pseudomyrma rufo-nigra, 67. Radicle of germinating seeds gnawed off by ants, 20, 25, 26; this fact mentioned by Aldrovandus, 9. Rock nest, sandstone mined by ants, 32-35. Rubbish heaps, materials which compose, 21, 22, 55. Sandstone mined by ants, the rock nests, 31-35. Seeds, dispersal of, by means of ants, 4, 21, 53, 55; tendency to germinate arrested, 24, 50; eaten by ants, 46-48, 54. Seed stores of ants used as food by natives of India, 67. Spherical chamber found in ant's nest, 35. Sykes (Lieut.-Col.) and Jerdon (Dr.) on harvesting ants in India, 12, 64, 65. Winged males and females of Aph. Structor and Barbara, 41.

PART II.—TRAP-DOOR SPIDERS.

Atypus Blackwallii, 78. Atypus piceus, 77; nest of, 78. Ausserer (A.), description of Nemesia manderstjernæ, 145. Australia, trap-door spiders in, 114, 130. Blackwall, on nests of Atypus piceus, 78 (note). Blackwall, on the tarsi of certain spiders being furnished with a viscous secretion, 87. British representative of the sub-order Territelariæ, 77. Browne (Patrick), on the trap-door spider of Jamaica, 73. Cambridge (Rev. O. Pickard), description of Cteniza fodiens, 89; of Nemesia cæmentaria, 92; of N. meridionalis, 101; of N. Eleanora, 108. Captive trap-door spiders, 118, 122, 143. Claws, compared in different trap-door spiders, 86; retractile, 87 (note). Construction of trap-door nests, 118, 122, 123, 149. Cork nests, 80, 88, 94, 97, 116, 124, 131, 132, 141. Costa (O. G.), on Mygale (Nemesia) meridionalis, 105, 137. Cteniza ariana, 115, 135, 141; ædificatorius, 85; fodiens, 89; ionica, 91; nidulans, 81. Double-door branched nest, 80, 98, 103-106, 131. Double-door unbranched nest, 80, 98, 106, 111, 131. Dufour (Léon), on the nest of Lycosa tarentula, 146. Enemies of spiders, 101, 134. Epeira fasciata, cocoon of, 76. Erber, on the nocturnal habits of Cteniza ariana, 115, 135, 141. Geographical range of species of trap-door spiders, 131, 132, 133, 143. Gosse (P. H.), on the single-door wafer nest in Jamaica, 80-83. Instinct (?) of nest building in very young spiders, 123, 126, 128. Lucas (H.), on spiders having retractile claws, 87. Lycosa tarentula, M. Dufour on the nest of, 146. Male of Nemesia Eleanora, 109, 115. Mygalidæ, name changed to Territelariæ, 75. Nemesia cæmentaria, 73, 92, 97, resisting when the door is touched, 94-96; cellicola, 141, 147, 148; Eleanora, 98, 106, 108, 112; Manderstjernæ, 147; meridionalis, 98, 101, 137. Nest of Lycosa tarentula, 146. Nocturnal habits of trap-door spiders, 115, 116. Olivier, on cork nests at Hyères, 115. Rossi (P.), on Cteniza fodiens, 73. Resistance of spiders when doors are touched, 94-96, 100, 112. Saunders (S. S.), on Cteniza (Mygale) ionica, 91, 122. Sauvages (Abbé), on Nemesia cæmentaria, 73. Selection of materials for trap-doors, 119, 120. Sells (W.), on the nest of Cteniza nidulans, 83. Single-door wafer nests, 80, 131. Tarsi of spiders furnished with a viscous secretion, enabling them to traverse perpendicular polished surfaces, 87. Territelariæ a sub-order of Araneæ, formerly called Mygalidæ, 75. Territelariæ, species of, inhabiting the Mediterranean region, 130, 131, 133, 143. Theridion, cocoon of, 77. Trap-door nests enlarged not abandoned, 123, 127, 150. Walckenaer (C. A. de) on habits of trap-door spiders, 114, 117; on structure of cork doors, 125 (note). Wallace (A. R.) on the philosophy of birds' nests, 129. West Indian nests of the single door wafer type, 80. Westwood (Prof.) on the nest of Cteniza ædificatorius, 85. Young spiders found in nests of Nemesia meridionalis and N. Eleanora, 112.