INDEX 



547 



Cartilage, 55, 56 

 Cat, 455 



Caudal vertebras, 331 

 Caudate, 484 

 Cell, 19 



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



wall, 21; functions, 22; reproduction 



23; division, 23 

 Centipede, 297 



Central nervous system, 78, 348 

 Centropristis, 372 

 Centrosome (centrosphere), 26 

 Centrum (see vertebra), 329 

 Cephalopoda, 263 

 Cephalo-thorax, 279 

 Ceratodus, 375 

 Cercaria, 197 

 Cerebellum, 348, 351 

 Cerebrum, 349, 351 

 Cervical vertebrae, 330 

 Ceryle, 424 

 Cestodes, 199 

 Cetacea, 453 

 Chaetognatha, 204, 239 

 Chsetopoda, 237 

 Chameleon, 394 

 Cheiroptera, 451, 458 

 Chelonia, 393 

 Chemical sense, 81, 354 (see taste and 



smell). 

 Chicken, 417; breeds of, 435 

 Chimney-swifts, 430 

 Chlamydomyxa, 22 

 Chondrostei, 373 

 Chordata, 312 (see vertebrata). 

 Chorion, 409, 449 

 Chromatin, 21, 27 

 Chromosomes, 24 

 Cicada, 300 

 Cilia, 22, 50, 149 

 Circulation, 67, 71 

 Circulatory organs, 71; in Echino- 



derms, 216; in annulata, 231; in 



moUusks, 251; in arthropods, 284; 



in vertebrates, 338, 344; in fishes, 



365, 366; in amphibia, 341, 379; in 



reptiles, 341, 389; in birds, 342; in 



mammals, 342, 446 

 Cirphis, 305 

 Cirratulus, 238 



Cirripedia, 294 



Clam, 240, 257 



Clamatores, 430 



Classification, 486 



Classification — defined, 5; use, 109; 

 illustration of, iii 



Classification — protozoa, 162; porifera, 

 172; coelenterata, 185; unsegmented 

 worms, 196; annulata, 237; moUusca, 

 258; arthropoda, 293; vertebrata, 

 358; fishes, 373; amphibia, 384; 

 reptiles 393; birds, 411; mammals, 

 450 



Cleavage, 36, 37, 38 



Clitellum, 224 



Cloaca, 168, 337, 407 



Clothes-moth, 305 



Clothing from animals, 509 



Clypeus, 273 



Coccyzus,- ^2$ 



Cockroaches, 298 



Cocoon, 289 



Ccelenterata, 148, 174 



Ccelom (defined), 41; in unsegmented 

 worms, 192; echinoderms, 214; an- 

 nulata, 230; arthropods, 278; verte- 

 brates, 334 



Coelomata and coelenterata, 148 



Coil stage (cell-division), 24, 25 



Coleoptera, 305 



Colloid, 12 



Colonies — organic, 120; voluntary, 122 



Color, 127, 371 



Colpoda, 20 



Columbas, 424 



Commensalism, 124 



Compound eye, 84, 286 



Condyle, 388, 401 



Conjugation, 75, 15 



Congo-snake, 384, 385 



Connective tissue, 54-59 



Contractility, 15 (see motion). 



Contributors to zoology, 509 



Convolutions (brain), 447, 469 



CoiJrdination, 77 



Corallines, 203 



Corallum, 183 



Corals, 186 



Corpuscles (blood), 58 



Corrodentia, 299 



