INDEX. 



Agassiz, L. ii, 80, 86, 223. 

 Alca impannis, 186. 

 Amblystoma, 210. 

 Ammonites, 71, 74, 97. 

 Amniotes, 250. 

 Amphibians, 209, 258, 264. 

 Amphioxus. See Lancelet. 

 Anchitherium, 242, 273. 

 Ancyloceras, 216. 

 Anguis, 185. 

 Annelids, 32, 198. 

 Annulosa, 260. 

 Anoplotheridae, 274, 

 Anteater, 246. 

 Antelopes, 273, 277. 

 Apes, 280, 288. 

 Arachnida, 33. 

 Archaeopteryx, 72, 265. 

 Archasosauros, 83. 

 Archegosauros, 258, 

 Armadillos, 228, 246. 

 Articulata, 32, 53, 72, 201, 219. 

 Ascarides, 206. 

 Ascidians, 36, 219, 252. 

 Axolotl, 209, 



Baer, C. E. von, 



219, 293. 

 BalenidcE, 280. 

 Barraude. 11. 



^9^' ^97> 201, 



Bathybius, 26, 



Batrachians, 72, 258, 264. 



Bats, 228, 246 269. 



Bavey, 212. 



Bears, 243, 



Beaumont, Elie de, 130. 



Beavers, 247. 



Bees 28, 47, 



Beetles, 185. 



Belemnites, 74. 



Beneden, Van, 209. 



Birds, 227 232, 250, 265, 



Bison, 277. 



Blastoids, 77, 



Bleek, 304, 

 Bos, 277. 

 Bourguignat, 224. 

 Brachiopoda, 70, 

 Braun, 193, 220. 

 Brehm, 182, 267. 

 Broca, Prof. 160, 187, 

 Briicke, 26. 

 Bruta, 237, 271. 

 Bubalos, 277. 

 Buffaloes, 244, 247, 

 Buffon, 5. 

 Butterflies, 227, 



Cachelots, 280. 

 Camels, 223. 



