INDEX. 



359 



Dobsons, 223, 224 

 Doves: 



domestic, 320 



mourning, 321 

 Downy woodpecker, 74, 118, 



257 2 94 

 Dragon flies, 200, 207, 209 



characteristics, 207 



development, 209, 211 



distribution, 212 



feeding habits, 208 



nymph, 211 



sight, 208 



life duration, 211 

 Drone bees, 156, 159, 161, 163 

 Ducks, 337 



domestic, 97, 338, 342 



wild, 339, 340, 341 

 Dung beetles, 69 



Eagles, 318, 319 

 Ear: 



bird, 299 



locust, 17, 1 8 



mosquito, 18 

 Earwigs, 44 

 Echinodermata, 2 

 Egg, insect, 32 

 Egret, 332 



hunting of, 332 

 Eider duch, 339 

 Electric light bug, 1 1 2 

 Elm -leaf beetle : 



bird enemies, 73 



life history, 73 

 Elytra, 67 

 English sparrow, 74, 137, 284, 



290, 310 

 Entomology, 42 

 Ephemerida, 2 1 3 



characteristics, 213 



immature respiration, 213 



metamorphosis, 214 



reasons for persistence, 213 

 Eriocephalas, 129 

 Eumenida?, 174 

 Euplexoptera, 44 

 Eye: 



compound, 7 



development of, 9, 10 



lack of, 7 



number of facets, 7 



of bird, 297 



Eye: 



of grasshopper, 6 

 simple, 9, 10 



False rear horses, 225 

 Feet of birds, 264 

 Filed work : 



bees, ants, wasps, 139 



beetles, 59 

 'butterflies, 119 



birds, 249 



flies, 176 



grasshoppers, 79 



bugs, 98 



insects in general, 46 

 Fireflies, 63, 69 

 Fish duck, 337 

 Fishes, 2, 200, 260, 296 

 Fleas, 226 

 Flickers, 74, 294 

 Flies, 183 



setting for collection, 179 

 Flower beetle, 62, 69, 76 

 Flower bug, 114, 116 

 Flower fly, 178, 201, 202 

 Flycatchers, 257 

 Flying spiders, 243 

 Food of nestling birds, 287 

 Fowls, domestic, 74, 97, 342 

 Frenatae, 130 

 Frigate bird, 343 

 Function of accommodation: 



in birds, 297 



Gall flies, 149, 153, 154, 234 

 Gall-forming insects, 234 

 Gallinae, 322 



characteristics, 323 

 Galls, 153, 155, 234 

 Gannets, 343 

 Geese, wild, 337, 339 

 Giant waterbug, 100 

 Gnats, 184, 188, 257 

 Golden-eye, 222 

 Goldfish, 200 

 Goshawk, 258, 291 

 Grasshopper, 3, 87 



bird enemies, 97 



insect enemies, 82, 201 

 Grass stem flies, 192 

 Grebes, 264, 350 



hunting of, 3 53 



