I N D E X. 



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

 Alca impsnnis, 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. 

 Anoplotheridas, 274, 

 Anteater, 246. 

 Antelopes, 273, 277. 

 Apes, 280, 288. 

 Arachnida, 33. 

 Archaeopteryx, 72, 265. 

 Archaeosauros, 83. 

 Archegosauros, 258. 

 Armadillos, 228, 246. 

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

 Ascarides, 206. 

 Ascidians, 36, 219, 252. 

 Axolotl, 209. 



Baer, C. E, von, 48, 191, 197, 201, 



219, 293. 

 Balenidas, 280, 

 Barraude, ir. 



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. 



Bflemnites, 74. 



Bf neden, Van, 209. 



Birds, 227 232, 250, 265. 



Bison, 277. 



Elastoids, jj, 



Bleek, 304. 



Bos, 277. 



BoLirguignat, 224. 



Brachiopoda, 70. 



Braun, 193, 220. 



Brehm, 182, 267. 



Broca, Prof. 160, 187. 



Briicke, 25. 



Bruta, 237, 271. 



Bubalos, 277. 



Buffaloes, 244, 247. 



Buffon, 5. 



Butterflies, 227. 



Cachelots, 280. 

 Camels, 223. 



