358 



INDEX. 



Borers, 59 



bird enemies, 74 

 Bot flies, 184, 1 88 

 Box elder bug, 40 

 Brain, lobes of, 296 



biological significance of, 3 1 



296 



Brown creeper, 118, 257, 294 

 Brown thrasher, 289 

 Bufflehead, 341 

 Bugs, 107 



Bumble bee, 143, 161 

 Butcher bird, 97, 309 

 Buzzards, 319 



Cabbage worm, 101, 109, 137 

 Caddis flies, 45, 221 

 Calico back, 101, 118 

 Camponotidae, 166 

 Carpenter ant, 165 

 Carpet beetles, 73 

 Carrion beetles, 60, 69 

 Carrion crow, 319 

 Carrion flies, 178 

 Catbird, 137, 256, 289 

 Caterpillar musculation, 38 

 Caterpillars, 120, 132, 137, 257 

 Centipeds, 2, 232 

 Checker beetles, 69 

 Chickadee, 118, 137, 293 

 Chinch bug, 113 



bird enemies, 115, 118 



disease of, 115 



development of, 114 



history of, 113 



natural enemies, 114 



range, 113 

 Chippy, 137 

 Chitin, 5 

 Chordata, 3 

 Cicada, 102, 118, 170 

 Cicada killer, 170 

 Circulation of blood, 



birds, 303 



insects, 23 

 Clamatores, 308 

 Classification of insects, 42 

 Clear- winged moths, 125 

 Click beetles : 



bird enemies, 74 

 Cockroach tiger, 238 

 Codling moth, 7 i 

 Coelenterata, 2 



Coleoptera, 43, 67 



characteristics, 65 



life history, 77 



mouth-parts, 76 



value of the order, 68 

 Coloration of birds, 271 

 Color sense: 



bees, 1 1 



flies, 1 1 



Collecting boxes, 53 

 Collection box, 55 

 Columbas, 320 



Complete metamorphosis, 33, 39 

 Cooper's hawk, 291 

 Cormorants, 285, 343, 348 

 Corrodentia, 44 

 Cosmopolitan, the, 138 

 Crabs, 238, 348 

 Cranes, 118, 334, 336 

 Crayfish, 238 



Cricket-like grasshoppers, 90 

 Crickets, 81 



bird enemies, 97 

 Crow, 97, 137, 259 

 Crustaceans, 2, 238 

 Crystalline lens of eye, 8 

 Cuckoos, 74, 97, 137, 256, 315 



289, 313 

 Cucumber beetle : 



bird enemies, 74 

 Culex, 193, 197, 198, 201 

 Curculios, 71 

 Curlew, 327, 329 

 Cuticle, 5 

 Cutworm, 70, 73, 137, 290, 293 



Daddy longlegs, 235 



Darters, 343 



Damsel bug, 113 



Damsel flies, 207 



Dermal light sense, 10 



Dermestidae, 7 



Development, 32, 281 



Digger wasp, 168, 171 



Dipnet, 50 



Diptera, 183 



characteristics, 181 

 compound eyes, 186 

 divisions of, 187 

 feeding habits, 178, 184 

 metamorphosis, 186 



Diving beetles, 63, 69 



Diving birds, 350 



