INDEX 



Abdomen, 3, 120. 



Abnormalities in Crustacea, 151. 



Aboral, 238. 



Academies estalilished, 465. 



Acarina, 117. 



Aoartia, 158. 



Acmffia, 219. 



Admiral, 40. 



Agassiz, Alexander, 471. 



Agassiz, Louis, 469. 



Agricultural ant of Te.xas, 55. 



Air-bladder, 305. 



Albino mice, 430. 



Aldrovandi, 461. 



Alternation of generation, 269. 



Alligator Snapper, 363. 



Alligators, 351, 369. 



Amblvopsis, 94. 



Amblystoma, 343, 456. 



Amblystomidte, 340. 



Ameiurus catus, 317. 



Amia, 323, 324. 



Ammonites, 222. 



Amoeba, 284. 



Amphibia, 328 ; metamorpho.sis of, 



343. 

 Amphioxus 294. 

 Amphipoda, 145. 

 Amphitrite, 188. 

 Amphiumidfe, 339. 

 Anatomical Zoology, 463. 

 Anatomy, 2 ; of Amphibia, 329 ; of 



Annelids, 161 ; of birds, 376 ; of 



Crustacea, 120 ; Echinodcrms, 238 ; 



insects, 1 ; mammals, 432 ; Mol- 



lusca, 199; turtle, 352. 

 Ancestry of Vertebrates, 289, 296. 

 Angle-wings, 40. 

 Animal architecture, 102. 

 Animal behavior, A study of, 208. 

 Animalcula, 282. 

 Annelids, 161, 172; anatomy of, 



161 ; circulatorj' system of, 164 ; 



excretory organs of, 166 ; general 



form of body, 161 ; musculature of, 



167 ; organs of nutrition, 103 

 physiology of, 161 ; respiration in 

 164 ; reproductive organs of, 166 

 sense-organs of, 167. 



Anodonta, 228. 



Anolis, 357. 



Anopheles, 86. 



AiKjphthahiiLis, 95. 



Ant-eater, 441. 



Antelopes, 444, 445. 



Antennae, 4, 13, 31. 



Anterior, 2. 



Ant-lions, 28. 



Ants, 52 ; armies, 55 ; colonies, 53, 

 55 ; language, 54 ; leaf-cutting, 56. 



Anura, 329, 344. 



Apes, 450. 



Aphids, 24. 



Aphrodite, 186. 



Apidte, 49. 



Aplysia, 212. 



Appendages, 3 ; of Ampliibia, 331 

 of Annelids, 163 ; of birds, 382 

 of Crustacea, 120 ; insects, 3 

 mammals, 434. 



Apteryx, 391. 



Acjuatic pulmonatcs, 214. 



Arabian horse, 424. 



Arachnida, 114. 



Araneina, 104. 



Arbacia, 256. 



Area pexata, 234. 



Arch^optervx, 418. 



Arcida;, 230, 234. 



ArctiidEe, 42. 



Argiope, 107. 



Argonauta, 221. 



Arion, 212. 



Aristotle, 459. 



Arks, 2.34. 



Armadillo, 441. 



Army-worm, 45. 



Arthrobranch, 123. 



Arthropods, 114. 



Ascaris, 191. 



Asiphonata, 227. 



Assassin-bug, 22. 



495 



