INDEX 



485 



cercaria, 187. 



cerebellum, of frog, 258, 259; of man, 



407,408; of turtle, 311. 

 cerebrum, of frog, 258, 259 ; of man, 407, 



408; of turtle, 311. 

 cervical groove, 131. 

 Cesloda, 185, 191. 

 Chcetopoda, 177. 

 chameleon, 319. 

 cheetah, 429. 

 chickadee, 394~395- 

 chigoe, 52. 

 Chilomonas, 226. 

 Chilopoda, 129. 

 chimpanzee, 446, 449. 

 chinch bug, 33, 34, 35. 

 chipmunk, 388, 414, 431. 

 chitin, 1 6, 131. 

 chlorophyll, in Euglena, 224. 

 cholera, germs of, carried by house fly, 



74, 79. 



chromatin, 263, 265. 

 chromosome, 263, 265. 

 chrysalis, 20. 

 cicada, 24, 25. 

 cilia, of Paramecium, 218, 219; on gills 



of mussel, 149. 



circulation, of crayfish, 132, 134; of 



earthworm, 171-172; of frog, 248; of 



grasshopper, 14-is; of man, 406; of 



mussel, 151. 



circulatory system, 238 ; of grasshopper, 



14-iS- 



Civic Zoology, 6. 



clam, 7, 145-153 ; hard-shell, 156 ; little- 

 neck, 156 ; long-neck, 146 ; razor- 

 shell, 155, 156; soft-shell, 155 (see 

 mussel), 

 class, 104. 



classification, 6-7, 103-110; artificial, 



102 ; natural, 102 ; of animals, 6-7 ; 



of insects, 107-110; reasons for, 105; 



system of, 103 ; value of, 106. 



clavicle, 255 (see skeleton). 



claws, of grasshopper, n; of mammal, 



401. 



cobra, 331. 

 cochineal, 65. 

 cochlea, 409. 

 cockroach, 57-58. 

 cocoon, 20; of earthworm, 173. 

 cod, 289. 



Ctrlenterata, 7, 198-210. 

 coelom, 174. 



cold-blooded animals, 252. 

 Coleoptera, 109. 

 collar-bone, 255. 



colony, dimorphic, 205 ; of honeybee^ 

 205; of Protozoa, 231; polymorphic, 

 205. 



color, of fish, 274; of frog, 304; of in- 

 sects, 29-31 ; of mammals, 400. 

 coloration, aggressive, 31 ; protective, 



30 ; warning, 30. 

 columella, of snail shell, 159. 

 commensalism, 139. 

 conjugation, 221. 

 conservation of our natural resources, 



469-471. 

 contractility, 241. 

 control, of house fly, 80-83 ; of insect 



pests, 34, 46-47. 

 convolutions of brain, 407, 408. 

 coot, 367. 



copperhead, 330, 331. 

 coral, 7, 208-210; organ pipe, 209, 

 polyp, 208 ; precious, 209 ; reef, 208. 

 cormorant, 365, 366. 

 corpuscles, blood, of frog, 248; of 



mammals, 406 (see circulation), 

 cosmopolitan animals, 417-418. 

 cougar, 429, 454. 

 covey, 369. 



cowbird, 349, 356, 380. 

 coxa, n. 

 coyote, 454. 



crab, 7 ; blue, 137, 138; edible, 137, 138; 

 fiddler, 137, 138 ; hermit, 138 ; horse- 

 shoe, 119, 120; king, 119, 120; soldier, 

 137, 138; spider, 138. 

 crane, 367. 

 cranium, 254, 255. 

 crappie, 287. 



crayfish, 130-136; absorption in, 134; 

 anatomy of, 131, 132 ; circulation in, 

 134; color of, 131; digestion in, 133; 

 exoskeleton of, 131; food of, 133; 

 habitat of, 130; injuries done by, 136; 

 locomotion of, 133 ; protection of, 130; 

 relations of, to man, 135; reproduc- 

 tion of, 134-135; respiration of, 134; 

 sense organs of, 132. 

 croaking, of frog, 246. 

 crocodile, 331-333- 



