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. 



Cestoda, 185, 191. 



Ch&topoda, 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, 

 14-15- 



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, 1 1 ; of mammal, 

 401. 



cobra, 331. 



cochineal, 65. 



cochlea, 409. 



cockroach, 57-68. 



cocoon, 20; of earthworm, 173. 



cod, 289. 



Coelenterata, 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; oi 

 mammals, 406 (see circulation). 



cosmopolitan animals, 417-418. 



cougar, 429, 454. 



covey, 369. 



cowbird, 349, 356, 380. 



coxa, ii. 



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. 



