INDEX 



48s 



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. 



Chmtopoda, 177. 



chameleon, 319. 



cheetah, 429. 



chickadee, 304-305. 



chigoe, 52. 



Chilomonas, 226. 



Chilopoda, 129. 



chimpanzee, 446, 449. 



chinch bug, 33, 34, 35. 



chipmunk, 388, 414, 431. 



chitin, 16, 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, I4-15 ; of man, 406; of 

 mussel, 151. 



circulatory system, 238 ; of grasshopper, 

 H-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, n; of mammal, 

 401. 



cobra, 331. 



cochineal, 65. 



cochlea, 409. 



cockroach, 57-58. 



cocoon, 20; of earthworm, 173. 



cod, 289. 



Ccelenkrata, 7, 198-210. 



ccelom, 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, So-83 ; of insect 

 pests, 34, 46-47- 



convolutions of brain, 407, 408. 



coot, 367. 



copperhead, 330, 331. 



coral, 7, 208-2 10 ; 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, 11. 



coyote, 454. 



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

 fiddler, 137, 13S; 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, 33i~333- 



