INDEX. 



Aard-wolf, 383. 

 Abyssal zone, 262. 

 Acanthomys, 355. 

 Accipenser, 68, 69. 

 Aceratheiium, 368. 

 Acervularia, 249. 

 Achoenodon, 374. 

 Achntinella, 261. 

 Acidaspis, 146. 

 Acomys, 364. 

 Acris, 309. 

 Acrobata, 99. 

 Acrodus, 300. 

 Acrosaurus, 320. 

 Acrotreta, 255. 

 Actaxmidae, 166. 

 Actinia, 240, 242. 

 Actinocrinus, 151. 

 Adapis, 348, 402. 

 Addax, 377. 

 Adder, 321. 

 Adocus, 315. 

 ^Egoceras, 166, 267. 

 ^Elurodon, 386, 388. 

 J21 .rogale, 385. 

 ^Epyornis, 333. 

 JEtobatis, 300. 

 Agama, 316, 318. 

 A^aricia, 248. 

 Agelaius, 66. 

 Agnostus, 140, 276-278. 

 Agouti, 361. 



Agriochoerus, 383. 



Ailuropus, 389. 



Ailurus, 389. 



Alactaga, 358. 



Alaudidae, 66. 



Alca, 69. 



Alcedinidse, 66. 



Alces, 381. 



Alcyonaria, 251. 



Alepocephalus, 298. 



Alctornis, 331. 



Alk, 69. 



Alligators, distribution of, 328, 329. 



Alligator-gar (Lepidosteus), 301. 



Allorisma, 271. 



Allosaurus, 162. 



Alpaca, 375. 



Alveolites, 143. 



Amadine, 88. 



Araaltheus, 267. 



Amblypoda, 367. 



Amblypterus, 302. 



Amblyrhynchus, 317. 



Amblystoma, 306. 



Amia, 68, 301. 



Amiurus, 68. 



Ammodiscus, 240. 



Ammonites, 137, 166, 192, 200, 222- 



224, 266, 267. 

 Amphibia, 45, 305. 

 Amphibos, 378. 

 Amphicyon, 388, 389. 



