INDEX 



Aberrations, 119. 



Acanthocephala, 234. 



Acanthopterygii, 356-357. 



Accommodation, 378. 



Acetabulum, 331. 



Achatina, 245. 



Achatinellidse, 142. 



Adaptation, 31, 35, 81, 184, 420, 445, 

 490, 531; immunity, 490; toler- 

 ance, 490. 



Affinity, chemical, 32. 



Agapema anona, 291. 



Agassiz, Elizabeth Gary, 514, 519. 



Agassiz, Louis, 139, 508-519, 522; 

 early life, 508 ; zoological interest, 

 510; authorship, 511; marriages, 

 512, 514; research on fishes, 512; 

 glacial theory, 513-514; life in 

 America, 514-519; Agassiz Mu- 

 seum, 516; foreign explorations, 

 517; Penikese summer school, 

 518; death, 519. 



Aglossa, 362. 



Agramonte, Dr., 203. 



Ailanthus tree, 161. 



Albatross (Proellariiformes), 385. 



Alces., 411. 



Alcohol, effects of, 33, 34, 118, 120- 

 128. 



Alepocephalus, 477. 



Algae, 149, 217. 



Algonkian Era, 148, 149. 



Alimentary canal, 30, 334. 



Alleghanian Area, 459. 



Allelomorphic characters, 45, 84, 117. 



Alligator (Crocodilia), 369-370; A. 

 mississippiensis, 370. 



Alluvial Epoch, 148. 



Alopex lagopus, 403. 



Amber, 293. 



American Museum Journal, 163. 



Amia calva, 347. 



Amiba, 14, 29, 188, 191, 200. 



Amino-acids, 8. 



Ammonites, 250. 



Amoeba; see Amiba. 



Amphibia, 36, 182, 320, 340, 35 8 -3 6 3, 



432; jvrAnura; Apoda; Urodela. 

 Amphiccelous vertebras, 329. 

 Amphididae, 302. 

 Amphineura, 248. 

 Amphioxus, 36, 321, 325, 354, 431. 

 Amphitrite edwardsii, 238. 

 Anabolic process, 18, 34. 

 Anaerobic bacteria, 31. 

 Andrews, C. W., 425. 

 Angiosperm, 68. 

 Anguis fragilis, 364. 

 Animalcule, 17, 192. 

 Animalia, phyla of, 178-185; charts 



of, 183, 185. 

 Animikian Period, 148. 

 Annelida, 181, 237-242; see Oli- 



gochaeta ; Polychaeta. 

 Annuli, 351. 

 Anopheles, 203, 205. 

 Anseriformes, 386. 

 Ant (Formicidae), 95, 299-307; "ant 



lovers," 302; characters, 299; 



food, 303; honey a., 304; nests, 



301 ; slaves, 305 ; socialists, 306. 

 Ant, white (Isoptera), 271. 

 Anther, 77. 

 Anthidium, 282, 296. 

 Anthocyanin, 53. 

 Anthophora, 295. 

 Anthophysa, 186. 

 Anthozoa, 211, 213, 216-217. 

 Anthrax, 486. 

 Antilocapridae, 413; A. americana, 



412. 



Antiseptic surgery, 485. 

 Anura, 361-363. 

 Aorta, 338. 

 Apatosaurus, 153. 

 Aphididas, 276-277. 

 Apis, 296, 297; A. mellifera, 295. 

 Apoda, 353-354, 359-36o. 

 Apoidea (Bee), 293-298 ; adaptation, 



294; comb, 296; fossils, 293; 



functions, 295-296; habits, 294- 



295 ; structure, 297-298. 



541 



