382 



INDEX 



Brain of crayfish, 130 ; of pcrfh, 213. 



Branch defined, 27. 



Braiichi;e, 91. 



Brittle stars, 95. 



Budding, reproduction l>y, 302. 



Buffon,"377. 



BuKS, 175 : sfiua.sh, 175, 170. 



BuUbat, 289. 



Bullfrog, 240, 244. 



Bumblebees, 193. 



Bureau of Fisheries, 226 ; of Ento- 

 mology, 196. 



Butterflies, 178, 179, 180 ; .swallow- 

 tail, 180 ; monarch, 180, 356 ; vice- 

 roy, 358. 



Buzzard turkey, 286. 



CiBeca, pyloric, 91. 



Ctecilians, 237. 



Caecum, 306. 



Camel, 322. 



Campanularian hydroids, 50. 



Canals, radial, 38, 92 ; ring, 92 ; stone, 



92 ; inhalent, 38. 

 Capillaries, 129. 

 Carapace, 124, 262. 

 Carbon, 7, 8. 

 Carmine, 196. 

 Carnivora, 323. 

 Carpet beetles, 188. 

 Carrion crow, 286. 

 Cassowary, 280. 

 Cat, classification of, 28. 

 Catfish, 217. 

 Caviar, 218. 

 Cells, number of, 10; nature f)f, 11; 



definetl, 17 ; plant, 12 ; animal, 13. 

 Cellulose, 7. 



Ccnozoic, age of mammals, 351. 

 Centipeds, 1.53. 

 Cephalopoda, 118. 

 Cephalothorax, 124. 

 Ceratodus, 223. 

 Cercaria, 65, 60. 

 Cerebellum, 309. 

 Cerelirum, 308. 

 Ccta.'ea. 317. 



Chalk beds, forniatioTi of, 30. 

 C'hanicleon, American, 25.5; Old 



World, 250. 

 r'hinipanzee, 333. 

 Chiiii-h bug, 197. 



Chiroiitera, 331. 



( 'liloroph^'U in animals, 9. 



Chordata, 200, 201 ; classification of, 

 202. 



f 'hromosomes, 20. 



Chry.salis, 179. 



Cicada, 17-year, 177; 13-year, 177. 



Cilia, 31. 



Circulation in animals, 363. 



r'lams, 112. 



Class, 27. 



Classification of animals, 24 ; of cats, 

 28. 



Clitellum, 75. 



Cloaca, 38. 



Coal, 7. 



Cobra, 251. 



Cochineal, 190. 



Cockroaches, 173. 



Cocoon, 179, ISO. 



Codfish, 220, 227 ; rate of increase, 

 353. 



Co'lenterata, 45 ; classification of, 63 ; 

 economic inr])ortance of, 62. 



C(elome fjf earthworm, 70; of star- 

 fish, 93. 



Collar cells, 39. 



Colorado potato beetle, 187. 



Commcnsalisni, 141. 



Congo snake, 239. 



Con,iugation, 31. 



Contractile vacuole, 14. 



Coi)perhcad, 252. 



Cf)ral, 57 ; reefs, 5S ; rctl, 59 ; polyps, 

 54, 57, 58, 59 ; fossil, 344. 



Cormorant, 2S2. 



Cotton boll wecyil, 188, 190. 



Cowliird, 293. 



Cralis, hermit, 137; rock, 138; 

 spider, 140; fiddler, 140. 



Crake, Carolina, 284. 



Cranes, 284 ; whooping, 284 ; sand- 

 hill, 284. 



Crayfi.sh, 124 ; appendages of, 125 

 gills of, 126 ; locomotion of, 127 

 alimentary canal, 128 ; food, 12S 

 circvilation, 129 ; ner\-ous system 

 130 ; senses, 131 ; rcsi^iration, 131 

 n-prcKlnction, 132 ; regeneration of 

 losi i.arts, 132; molting, 133 ; eco- 

 iininic importance, 134. 



Crickets, 171. 



