INDEX. 



291 



Classification, a natural, 52. 



of insects, 46. 



principles of a, 63. 



Clans, 93. 



Claws, 27, 103, 272. 



Clemens, 183, 202. 



Clothes moth, 154, 196, 200. 



Clypeus, 13, 23, 77, 146, 261. 



Clytus pictus, 163, 164. 



Coccidse, 51, 138, 142, 143, 168, 275, 



276, 279. 

 Coccinellidse, 155, 166. 

 Coccus cacti, 141. 

 Cochineal bug, 141. 

 Cockroach, 49, 57, 59, 102-105, no, 



III. 

 Cocoon, 149, 156, 165, 174, 199, 200, 



204, 208, 214, 239, 241, 277. 

 Coenis, 72. 

 Coleoptera, 21, 62, 68, 144, 145, 278, 



280, 285, 287. 

 Colias, 22. 



philodice, 214. 



Colon, 35. 



Colorado potato-beetle, 149. 

 Colorlessness of Termites, 94. 

 Comatula, 280. 

 Complemental females, 94. 



males, 94. 



Comstock, 29, 46, 62, 122, 125, 128- 



130, 137, 140, 141, 171, 172, 276, 286. 

 Cook, 230. 

 Cope, 225, 284. 

 Coreidae, 125. 

 Corethra, 250. 

 Corisa, 122. 

 Corisidae, 142. 

 Corpuscles, 39. 



amoeboid movements of, 39. 



Correlative structures, 27, 95, 109, 



no, 116, 18S, 232, 233, 262, 269, 



270. [See Habits and Structure.] 

 Corrosive sublimate, 154. 

 Corydalites, egg-mass of, 171. 

 Corydalus cornutus, 170. 

 Costal margin of wing, 30. 

 Cotalpa lanigera, 151. 

 Coxa, 27. 



Crane-flies, 257, 259. 

 Crawler, 170. 



Crescent-shaped bands, 222. 

 Crickets, 106, 107. 

 Crop, 35. 



Croton bug, 104, 105. 

 Crustacea, 10, 12, 15, 47, 59, 123, 165. 

 Culex, 23. 

 rufus, 260. 



Culicidae, 259. 



Curculionidae, 163, 164. [See Wee- 

 vils.] 



Cushions, 27. 



Cuticle, II, 134, 277. 



Cuticula, 10, II. 



Cut-worms, 207. 



Cuvier, 12. 



Cuvierian classification, modified 

 form of, 12. 



Cyanide of potassium, 73. 



Cyclorhapha, 264. 



Cynipidse, 233, 263. 



Cynips quercus aciculata, 234. 



quercus spongifica, 234. 



Dactylopius, 141. 



Danais Archippus, 186, 188, 192, 219. 



Darning-needle, 78. 



Darwin, 151, 190, 225, 228. 



Day-fly, 69, 70. 



Degradation of types, 50. 



Degraded forms, 52, 126, 275, 277, 



281. [See Parasites.] 

 Dermaptera, 61, 99, loo, loi, 114, 166. 

 Dermestidse, 153, 154. 

 Development, effects of temperature 



on, 137, 200, 254. 

 Diagrams I. -III., 60. 



explanation of, 60-62. 



Diapheromera femora ta, 105. 



Dictyophorus reticulatus, 8. 



Digger wasp, 240. 



Dimmock, 122, 152, 260. 



Diplax, 80. 



Diptera, 21, 51, 68, 72, 248, 266, 274, 



282, 285, 287. 



Direct and indirect metamorphosis, 

 44. 



Directions for collecting and preserv- 

 ing insects, 9, 10, 45, 73, 84,98, 113, 

 115, 119, 121, 134, 137, 145, 149, 156, 

 173, 186, 207, 219, 223, 241. 



Disinfecting cones, 154. 



Dobson, 171. 



Dolomedes, 174. 



Dorbug, 145. 



Doryphora decem-lineata, 149. 



juncta, 151. 



Dragon-flies, 21, 26, 51, 73, 76, 78, 79- 

 81, 84, 88, 166. [See Odonata.] 



Dusky wings, 214. 



Dynastes hercules, 151. 



Dytiscidae, 156, 166. 



Dytiscus, 25. 



