INDEX. 



Birds, temperature of, 121. 



" voice of, 189. 



" wings of, 1<M), 304. 

 Bivalve, see Clam, Lamellibranchiata, 



Oyster. 



Blackbird, 339. 

 Blastema, 33. 

 Blastuhi, 193, 165. 

 Blatta, 297. 

 Blood, 97. 



" circulation of, 103. 



" corpuscles, 98-1 00. 62-65. 



" development of, 200. 



" functions of, 101. 



" of Invertebrates, 97. 



" rate of motion of, 110. 



" temperature of, 100. 



" of Vertebrates, 97. 



" vessels, 103. 

 Blubber, 348. 

 Bluefish, 312, 284. 

 Boa, 54, 73, 37. 

 Bombns, 304. 

 Bombyx, 303. 

 Bone, composition of, 147. 



" development of, 203. 



" structure of, 36, 7, 8. 

 Bos, see Ox, Cow. 

 Brachiopoda, 266, 221, 222. 

 Brachycephalic, 393. 

 Bradypus, 344. 

 Brain, 170, 132, 137-145. 



" case of, see Skull. 



" development of, 204, 



" functions of, 173. 



" parts of, 170. 



" weight of, 170. 

 Brain-coral, 252, 204. 

 Brine-shrimp, 284. 

 Bronchus, 119, 82-83, 86. 

 Bryozoa, see Polyzoa. 

 Bubble-shell, 274, 231. 

 Bnccinum, 278, 29, 228. 



see Whelk. 

 Budding, 192. 

 Bufo, 318. 



" see Toad. 

 Bugs, mouth of, 59. 



" see Hemiptera. 

 Bulimus, 275, 233. 

 Bulla, 274, 231. 

 Butterfly, 300. 273. 



u anatomy of, 43. 

 " metamorphosis of, 208, 172. 

 " mimicry of, 217. 

 " month of, 59, 23. 

 " scales of, 271. 

 Byssus, 271. 



CADDIS-FLY, 295. 



Cacilia, 318. 



Caecum, 51. 

 Calcispongia, 246. 

 Camel, 100, 35'2, 65. 

 j Cameo-shell, 278, 237. 

 Caualiculi, 37, 8. 

 Cancer, 287. 



Canine teeth. 69, 34. 35. 

 Capillaries, 104, 66, 68. 

 Caprimnlgus, 335, 323. 

 Capybara, 346, 335. 

 Carabns, 298. 

 Carapace, 322, 115. 

 Cardium, 227, 227. 

 Carinatae, 328. 

 Carnivora, 353, 90, 92, 106, 108-110, 128, 



142, 346-350. 

 feet of, 128. 

 " leeth of, 70. 

 Carp, 48, 102. 

 Cartilage, 36, 6, 6. 

 Cassis, 278, 237. 

 Cassowary, 327. 

 Castor, 346, 337. 

 Cat, 63, 355. 

 " brain of, 142. 

 " teeth of, 70. 

 Caterpillar, 301, 275. 



anatomy of, 78, 40. 



circulation in, 105, 69. 



false legs of, 172. 



head of, 303, 276. 



heart of, 105, 69. 



jaws of, 53, 276. 



locomotion of, 162. 



muscles of, 156. 



nervous system of, 169, 136. 



see Butterfly, Insecta, Lepi- 



doptera. 



Catfish, 316, 291. 

 Cebns, 357, 352. 

 Cell, 31, 1. 

 Cement, 38. 06, 31. 

 Centipede, 53, 287, 259. 

 Centrum, 140. 

 Cephalization, 225. 

 Cephalodiscns, 393. 

 Cephalopoda, 278, 16, 47, 151, 247-249. 



" see Cuttlefish, Squid. 



Cephalo-thorax, 131, 282. 

 Ceratodns, 317. 

 Cerebellum, 171, 173, 137-144. 

 Cerebrum, 170, 173, 137-145. 

 Ceryle, 335, 827. 

 Cetacea, 348, 30, 341, 342. 



see Whale. 

 Chalaza, 193, 162. 

 Chalk, 11, 242. 

 Chameleon, 54, 322. 



" tongue of, 61. 



Cheiroptera, 346, 339, 340. 

 Chelce, 283. 



