INDEX. 



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

 Alca impennis, 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, 250. 

 Anoplotheridae, 274. 

 Anteater, 246, 

 Antelopes, 273, 277. 

 Apes, 280, 288. 

 Arachnida, 33. 

 ArchEeopteryx, 75, 266. 

 Archseosauros, 73. 

 Archegosauros, 259. 

 Armadillos, 228, 246. 

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

 Ascarides, 206, 

 Ascidians, 36, 219, 252. 

 Axolotl, 209. 



Baer, C. E. von, 48, 191, 197, 



219, 293. 

 Balenidx, 280. 

 Barrande, 11. 



Bathybius, 26. 

 Batrachians, 72, 259, 264. 

 Bats, 228, 246, 269. 

 Bavey, 212. 

 Bears, 243. 



Beaumont, Elie de, 130. 

 Beavers, 247. 

 Bees, 28, 47. 

 Beetles, 185. 

 Belemnites, 74. 

 Beneden, Van, 206. 

 Birds, 227, 232, 250, 265. 

 Bison, 277. 

 Blastoids, 77. 

 Bleek, 304. 

 Bos, 277. 

 Bourguignat, 224, 

 Brachiopodei, 70. 

 Braun, 193, 220. 

 Brehm, 182, 267. 

 Broca, Prof. 160, 289. 

 Brucke, 27. 

 Bruta, 237, 271. 

 Bubalos, 277. 

 Buffaloes, 244, 247. 

 Buffon, 5. 

 Butterflies, 227. 



Cachelots, 279. 

 Cjenopithecus, 245. 



331 



