INDEX 



Camel crickets, 55 

 Cantharidin, 23 

 Carboniferous dragonflies, 95 



insects, 86, 89, 90 



plants, 87, 88 

 Caterpillar, 262 



alimentary canal, 289, 290 



celery, 229 



jaws, 286 



life, 262 



nature, 228 



silk glands, 287 

 press, 288 



spinneret, 286 



spinning of cocoon, 282, 283 



structure, 237 



tent, 262-293 



transformation to moth, 293-305 

 Caterpillar and moth, 262 

 Cecropia moth, 228, 229 

 Cellulose, digestion of, by ter- 

 mites, 137 

 Chitin 256 

 Chloealtis conspersa, 30 



musical apparatus, 30 



song, 30, 31 

 Chrysalides, 251 

 Cicadas, 182 



annual, 184 



periodical, 184-225 

 Cicadidae, 182 

 Circotettix carlingianus, 32 



verruculatus, 32 

 Cockroaches, 79 

 Collembola, 247 

 Common meadow grasshopper, 52 



song, 53 

 Coneheads, 50 

 Conocephalus fasciatus, 54 



song, 54 

 Corn-root aphis, 172 

 Coulee cricket, 54 



Cricket family, 55 

 Crickets, 55 



bush, 69 



camel, 55 



European, 55 



field, 58 



foot, 55 



mole, 58 



musical organs, 56, 57 



tree, 63 

 Croton bug, see German roach 

 Culex, 331 



eggs, 33 1 



food, 337, 338 



larva, 33 1 



male and female, 33^ 



mouth parts, 335-337 



D 

 Deer flies, 320 

 Diapheromerafemorata, 71 

 Digestion, 1 10 

 Diptera, 315 

 Double soma, 304 

 Dragonflies, 95 



adult, 233 



Carboniferous, 95 



young, 233 



Ears of grasshoppers, 30 

 of katydids, 36 



Egg laying of cicada, 212 



Eggs of aphids, 157, 158 

 of cicada, 212 



Culex mosquito, 331 

 grasshopper, 5, 6, 7 

 house fly, 343 

 roaches, 80, 81 

 tent caterpillar, 262 



Enzymes, 1 1 1 



Epicauta vittata, 22 



European house cricket, 55 



356 



