INDEX 



535 



Caprella, 296 



Carapace in Crustacea, 282; turtles, 

 392 



Carbohydrates, 1 1 



Cardinal veins, 364 (see circulatory 

 system). 



Cardium, 258 



Carinatae, 412 



Carnivora, 450, 454 



Carpels, 332 



Cartilage, 54, 55 



Cat, 454 



Caudal vertebrae, 330 



Cecidiomya, 302 



Cell, 19 



form, 19; size, 20; structure, 20; 

 wall, 21 ; functions, 22; reproduc- 

 tion, 23; division, 23 



Centipede, 296 



Central nervous system, 77, 347 



Centropiistis, 371 



Centrosome (centrosphere), 26 



Centrum (see vertebra), 328 



Cephalopoda, 262 



Cephalo-thorax, 278 



Ceratodus, 374 



Cercaria, 196 



Cerebellum, 348, 350 



Cerebrum, 348, 350 



Cervical vertebras, 329 



Ceryle, 423 



Cestodes, 198 



Cetacea, 452 



Chaetognatha, 203, 238 



Chaetopoda, 236 



Chameleon, 393 



Cheiroptera, 450, 457 



Chelonia, 392 



Chemical sense, 80, 353 (see taste and 

 smell). 



Chicken, 416; breeds of, 434 



Chimney-swifts, 429 



Chlamydomyxa, 22 



Chordata, 311 (see vertebrata). 



Chorion, 408, 448 



Chromatin, 21, 27 



Chromosomes, 24 



Cicada, 299 



Cilia, 22, 43, 147 



Circulation, 66, 70 



Circulatory organs, 70; in Echino- 

 derms, 215; in annulata, 230; in 

 mollusks, 250; in arthropods, 283; 

 in vertebrates, 337, 343; in fishes, 

 364, 365; in amphibia, 340, 378; in 

 reptiles, 340, 388; in birds, 341; in 

 mammals, 341, 445 



Cirratulus, 237 



Cirripedia, 293 9 



Cistudo, 392 



Clam, 239, 256 



Clamatores, 429 



Classification, 485 



Classification defined, 5; use, 107; 

 illustration of, no 



Classification protozoa, 161; porifera, 

 171; ccelenterata, 185; unsegmented 

 worms, 195; annulata, 236; mollusca, 

 257; arthropoda, 292; vertebrata, 

 357; fishes, 372; amphibia, 383; 

 reptiles 392; birds, 410; mammals, 



449 



Cleavage, 36, 37, 38 



Clitellum, 223 



Cloaca, 167, 336, 406 



Clothes-moth, 304 



Clothing from animals, 499 



Clypeus, 272 



Coccyzus, 424 



Cockroaches, 297 



Cocoon, 288 



Coelenterata, 146, 173 



Coelom (defined), 41; in unsegmented 

 worms, 191; echinoderms, 213; an- 

 nulata, 229; arthropods, 277; verte- 

 brates, 333 



Coelomata and ccelenterata, 146 



Coil stage (cell-division), 24, 25 



Coleoptera, 304 



Colonies organic, 119; voluntary, 120 



Color, 125, 370 



Colpoda, 20 



Columbae, 423 



Commensalism, 122 



Compound eye, 83, 285 



Condyle, 387, 400 



Conjugation, 74, 15 



Congo-snake, 383, 386 



