388 
Axolotl, 306. 
Aye-aye, 353, 
BaBriRvsa-HOG, 68, 
Baboon, 346. 
Balena, 147, 355. 
Balanus, 274, 352. 
Bandicoot, 330. 
Barbet, 324. 
Barnacle, 57, 275. 
Basket-fish, 251. 
Bathybius, 349. 
Batrachians, 307. 
Bats, 187, 333, 
Beaver, 332. 
Bed-bug, 287. 
Bee, anatomy of, 114. 
“described, 293. 
* eggs of, 192. 
© eye of, 178. 
** instinct of, 183. 
‘© month of, 58. 
** muscles of, 154. 
Beetles, described, 282, 287. 
se eyes of, 179. 
cs mouth of, 58. 
‘* prehension of, 53. 
Belemnite, 269. 
Beroé, 242. 
Birds, anatomy of, $4. 
“ brain of, 315. 
“¢ described, 313. 
‘© distribution of, 363. 
“flight of, 157. 
* Jones of, 115, 315. 
“© mouth of, 61, 
‘¢ prehension of, 49, 53. 
respiration in, 116. 
** sense of smell, 175. 
** skeleton of, 136, 148, 313. 
** vocal apparatus, 186, 
Bird of Paradise, 327. 
Bivalve Shells, 131, 258. 
Blackbird, 327. 
Blastema, 33. 
Blastoderm, 194. 
Blood, circulation of, 102. 
* color of, 97, 372. 
** constitution of, 98. 
current, 110, 372. 
“development of, 376. 
‘office of, 101. 
‘vessels, 102. 
Blubber, 334, 
Blne-fish, 300. 
Boa constrictor, skull of, 72. 
classification of, 355, 3S1. 
digestive system of, $3. 
INDEX. 
Bones, 36, 136, 145. 
Bos, 150, 356. 
Brachiopods, 256, 351, 378. 
Brachycephalic Skull, 380. 
Bradypus, 356. 
Brain-case, 141. 
‘© development of, 199. 
‘© functions of, 170. 
‘size of, 348. 
‘structure of, 166, 382. 
Branchiate Vertebrates, 380, 
ce Worms, 272. 
Bronchial Tubes, 118. 
Bryozoa, 255. 
Bubble-shell, 262. 
Buccinum, 260. 
Budding, 188. 
Bufo, 307, 354. 
Bugs, described, 285. 
‘¢ mouth of, 59. 
Bulimus, 262. 
Bulla, 262. 
Butterfly, described, 290. 
Gee mouth of, 58. 
Cappis-FLy, 284. 
Crecilians, 306, 354. 
Ceecum, 371. 
Calcispongia, 349, 
Camel, 383. 
Cameo-shell, 266. 
Canaliculi, 38. 
Capillaries, 103. 
Capybara, 331. 
Carapax, 133. 
Cardium, 259. 
Carinate, 381. 
Carnivores, 340, 356. 
Cartilaginous Tissue, 36. 
Cassis, 264. 
Cassowary, 319. 
Castor, 332. 
Cat, brain of, 167, 171. 
Cat-tribe, 342. 
Caterpillar, anatomy of, 77. 
ae circulation in, 104. 
fe head of, 292. 
r nervous system of, 165. 
Cebus, 356. 
Cells, 31, 98, 369. 
Centipede, 52, 114, 159, 166, 281. 
Cephalization, 215. 
Cephalopods, anatomy of, $1. 
« described, 266, 352. 
Cephalo-thorax, 130, 272. 
Cerebellum, 169. 
Cerebrum, 168, 374. 
Cestum, 242. 
