INDEX 



391 



Cervidae, 221 



Cestodes, 126-129 



Cetacea, 225, 226 



chalk, 148 



chambered nautilus, 105, 106 



chameleons, 179 



cheese mites, 82 



Cheiroptera, 218 



chelae, 85 



chelipeds, 85 



Chelonia, 176, 181 



Chelonians, 176, 181, 182 



chemical changes, 232-234, 245 



chimpanzees, 227, 229, 230 



chinch bug, 31, 32 



chitin, 2 



chitons, 105 



chlorine, 236 



chlorophyll, 145 



chocolate, 257 



Chordata, 156 



choroid coat, 307 



cicada, 34, 35 



cilia, 242 



clams, 98-102, 151 



class, 1 8 



classification, 17-19 



clavicle, 290 



cleavage, 336 



clitellum, 115, 119 



clot, 259 



clothes moths, 30 



clotting of blood, 260 



cobra, 179 



Coccidae, 36-38 



Coccidea, 148 



cochlea, 310 



cockroaches, 15, 18, 19 



cocoons, of insects, 26, 27, 67 



of earthworms, 119 



of spiders, 77, 338 

 cod, 167, 339, 360 

 codling moth, 29 

 Ccecilians, 169, 180 



ccecum, 250, 345 



Coelenterates, 130-139 



Ccenurus cerebralis, 129 



coffee, 257 



cold spots, 305 



colds, 275, 320-323 



Coleoptera, 18, 51-55 



Colorado potato beetle, 52, 53, 204 



comb, 58, 60, 61 



commensals, 366 



commissures, 8, 100, 101 



compounds, 232 



conjugation, 143, 332 



connective tissue, 242, 243 



consumption, 275 



contractile vacuoles, 142, 147 



convolutions, 300 



copepods, 97, 151 



copperhead, 179 



coral polyps, 130, 136-138 



coral snake, 178 



corals, 136-138 



corium, 283 



cornea, 3, 307 



corpus callosum, 300 



corpuscles, of blood, 259, 261, 265, 



266 



cortex, 300 



cottony-cushion scale, 38 

 coughing, 299 

 courtship, 80, 160, 194-197 

 crabs, 91-93 

 cranium, 160, 289 

 crayfish, 84-90 

 cremaster, 21 

 cretinism, 281 

 crickets, 14, 15, 18, 19 

 Crinoids, or sea lilies, 112 

 crocodiles, 176, 180, 181 

 Crocodilia, 176 

 crop, of birds, 187 



of earthworm, 116 



of grasshopper, 6 



of honey bee, 58 



