INDEX 



ACHEMON sphinx (Pholus achemon), 



156-159. 

 Aeontia moth (Erastriodes), 94-98. 

 Aeorn moth (Holcocera glandu- 



lella), 175. 

 Aeorn weevil (Balaninus rectus), 



29, 174, 175. 

 Acorns, insect tenants of, 29, 174, 



175. 

 Adams, on post-glacial dispersal of 



plants and animals, 317. 

 Adaptation, in animals and plants, 



examples of, 27-64, 82, 94, 277, 



288, 297, 338, 399-404. 

 Admiral butterfly, 84. 

 << Aggressive mimicry," 128, 

 Ajax butterfly, 41, 262. 

 Alkali, definition of, 433. 

 Allard, on habitat of toad, 258. 

 Allen, Grant, on seed dispersion, 29, 



30. 

 Allen, J. A., on habitats of plants 



and animals of North America, 



318. 

 Ambush bug (Phymata wolffi), 170- 



173. 

 American cockroach (Periplanata 



americana) , 426. 

 American field cricket (Gryllus 



americanus), 423. 

 American locust ( Schistocerca 



americana), 422. 

 Ammocolous Orthoptera, 423, 424. 

 Anepliares rufipes, new species, 176, 



177. 

 Angle-winged katydid (Microcen- 



trtim laurifolmm), 429. 

 Animal adaptation, examples of, 27- 



64, 277, 288. 

 Animal behavior, examples of, 165- 



267. 

 Animal, life in rainy weather, 288. 

 Animals, aquatic, 278, 284; disper- 

 sion of, 317, 318; domestication 



of, 8, 9; Galloway's diagram of 



descent of, 6; habitat, 308-310. 



318-322; Poulton's division of 



colors of, 69; systematic arrange- 



ment of, by Linnaeus and others, 



3-6; Wallace's theory of, 70, 71. 

 Ant-cow (Publiliu concava), 275, 



276. 

 Anthrophilian insects, 31, 321. 

 Ant-lion, 177-181, 327. 

 Ants, behavior of, 174, 175, 178, 



275, 276, 348, 414. 

 Aphid, gall-producing, 50-54. 

 Appendage of puss moth caterpillar, 



153. 

 Apple trees, antiquity of, 30; 



squirrels' appetite for, 238, 308. 

 Aquatic life, 278-284, 296. 

 Arabis lyrata, adaptation of, to 



orange-tip butterfly, 21, 83-86, 



249, 298. 

 Arboreal, or True, Katydid (Cyrto- 



phyllum perspicillatus), 102-105, 



326, 328, 429. 

 Argynnid butterfly, 33, 41. 

 Armed grouse locust (Tettigidea 



armata), 420. 

 Ash brown locust (Mestobregma 



cinctum), 424. 

 Ash, mountain, 29; prickly, 151. 

 Ashmead, on Anephares, 176, 177; 



on Sphex iclmeumoiiea, 197. 

 Assassin bug, 170-173. 

 Australian cockroach (Periplanata 



australasiae), 426. 

 Automeris io moth, protective re- 

 semblance, 160-164. 



Baltimore oriole, behavior, 34, 229, 

 236, 309; food of, 34, 309, 314; 

 nest, 222, 242, 243, 252-254. 



Bank, definition of, 431. 



Barn swallow. 59, 242, 289, 290. 



Barren, definition of, 432. 



Barrows, on common crow, 314. 



Basswood, insects attracted to, 33- 

 36. 



Bates, on mimicry, 117, 118; de- 

 scribes snake-like caterpillar, 148. 



Beal, on Baltimore oriole, 314. 



Beautiful crimson cricket (PhyllO' 

 scirtus pulchellus), 421. 



435 



