INDEX 



355 



Chalk formed by cells of ocean 



Protozoa, 121. 

 Chameleon, 223. 

 Charr, 212. 

 Chelone mydas, *220 

 Chimpanzee, 272. 

 Chipmunk, *2S^, 260. 

 Chironomus, nervous system of, 



*I02. 



Cheiroptera, 261. 



Chitin, defined, 13. 



Cklorostomum funebrale, *I42. 



Chrysopa, adult, eggs, larva, and 

 pupal cocoon of, *i78. 



Chub, 211. 



Cicada, periodical, 179; septende- 

 cim, *i8o; showing sound- 

 making organ, *i8o. 



Circulation of blood, 93 ; in fin of 

 fish, 57; in batrachians, 95; in 

 leg of cat, *98; in fishes, 94; in 

 mammal, *97; in vertebrates, 

 94; of reptiles, 95. 



Circulatory system of fish, *95. 



Circulatory system of young 

 dragon-fly, *94. 



atheroma regalis, imago of, *I72; 

 larva of, *i7i. 



Clam, hard shell, 141 ; soft shell, 

 141 ; edible, 141. 



Classification of birds, 233 



Clepsine, *I45. 



Cling-fish, *2i6. 



Clisiocampa americana, larvse of, 

 *i8; dis stria, larvae of, *i75; 

 disstria, stages of, *i7. 



Cobweb, 197. 



Cochoderma virgatum, *294. 



Cockroach, leg of, showing 

 muscles, *7o ; trachese in head 

 of, *83. 



Cocoon of silkworm, 15. 



Coelenterata, 123, 134. 



Colaptes auratus, *247. 



Color, uses of, 285; animal, 281; 

 of birds, 285; of butterflies' 

 wings, 281; of fishes, 285; of 

 mammals, 285; uses of, 281; 

 warming, 288. 



Collecting birds, 337; insects, 334. 



Collections, how to make, 329. 



Comb, honey-bees building, *305. 



Commensalism, 157. 



Community, honey-bee, life of. 



Compound eye of dragon-fly, 22. 

 Compound eyes, 112. 

 Condylura cristata, 261. 

 Conjugation, 118. 

 Conotrachelus crataegi, *iST, cra- 



taegi, immature stages of, *i88; 



nenuphar, *i89. 

 Copperhead, 222. 

 Corisa, *\6^. 

 Com, plant-lice of, 314. 

 Cornea of eye of insect, *iii. 

 Coral island, *i29; reef, *i3o; 



skeleton of branching, *i3i. 

 Coral-snake, 226. 

 Corals, 126. 



Cow, alimentary canal of, *92. 

 Coyote, 269. 

 Crab, 154, *I55. 

 Crab-spider, *I95, 196. 

 Crayfish, 149; ventral aspect of, 



*i5i. 

 Cricket, showing sound-making 



organ, *i82. 

 Crocodile, 228. 

 Crow, food of, 251. 

 Crustacea, 154. 

 Culex sp., stages of, *3. 

 Cyclops, 157, *I58. 



Dace, horned, 211. 



Damp-bug, *i57. 



Damsel-fly, *26. 



Darters, 211. 



Deer, black -tailed, 266; mule, 266; 

 red, 266 ; virginiana, 266 ; white- 

 tailed, 266. 



Delphinade, 262. 



Dendrostomum cronjhelmi, *i49. 



Desert, color of animals of, 287. 



Development of animals, 1. 



Diapheromera fevwrala, *287. 



Diaphragm, use of, in respiration, 



85- 



Didelphys virginiana, 256. 



Diemyctylus torosus, *2i8. 



Digestion, 86. 



Digestive cavity of polyp, *90. 



Digger-wasps, 182, 184. 



Distribution of animals, 319; bar- 

 riers to, 320 ; map showing, 

 322. 



Diving-beetle, predaceous, *i68. 



Division, multiplication by, 118. 



Dog, 269 ; central nervous system 

 nf *ioo; muscles of, *75. 



