370 



CIVIC BIOLOGY 



Fungous diseases, 207-213; damage 

 from, 207 ; organizing for the con- 

 trol of, 217 



Fur farming, 172 



Fur-bearing animals, 3 



Gall insects, 157 



Game, 3; killed by rats, 174 



Game birds, 3; conservation of, 53 



Gaper clam, 278 



Gapeworm, 254, 266 



Garden slug, 282, 283 



Garden spurge, 76 



Garter snake, 326 



Gartered plume moth, 156 



Gastro-enteritis, 111. See also Enter- 

 itis 



Gastropods, 274, 282, 283, 284 



Geese, 38, 53, 325 



Genetics, 330, 337 ; organized study 

 of, 339 



Gentians, 67, 306 



Geoduck, 278. See also Giant clam 



Geometrical increase, illustrated by 

 diagram, 331 ; law of, 331-332 



Germ plasm, 338 ; injury to, 340, 343 



German roach, 154 



Germicides, 248 



Giant clam (geoduck), 278 



Gila monster, 325 



Ginseng, 73 



Glanders, 235 



Gnat catcher, 51 



Gnats, 111, 153 



Goat, 169, 261 ; itch mite of, 166 



Golden plover, 40 



Goldenrod, 86 



Goldfinch, 49 



Gonococcus infection, 240 



Gonorrhea, 107 



Gopher, 30, 34, 44 



Gopher plant, 76 



Gopher snake, 326 



Gopher tortoise, 325 



Goshawk, 45 



Grackle, 48 



Grain, pests of, 156 



Grain aphis, or green bug, 156 



Grape, 6, 85, 87, 88, 94 



Grape-berry moth, 156 



Grapevine root beetle, 156 



Grasshoppers, 25, 152, 153, 156, 318 ; 



diagram of, 151 

 Great horned owl, 45 

 Great laurel, 76 

 Green frog, 315, 316 

 Green turtle, 324 

 Greenbottle fly, 112, 154 

 Grippe, 234, 236, 250, 251 

 Ground itch, 268 

 Grouse, 40 

 Grubb, 94 



Guatemalan ant, 141 

 Guernsey, 103 

 Guinea pigs, experiments showing 



influence of alcohol upon, 340 

 Gull, 38 

 Gypsy moth, 20, 69, 148, 156, 159, 



160, 162, 317 



Hair snakes, 265 



Hairy woodpecker, 46 



Hard, or little-neck, clam, 277 



Hardy perennials, 86 



Hares, 165, 169 



Harlequin snake, 328 



Harvest mites, 163. 165 



Harvestmen, 164 



Hawks, 30, 34, 44, 45 



Hawksbill, 324 



Heath hen, 42 



Heliotrope, 86' 



Hellebore, 76 



Hemiptera, 153 



Hemlock, 59, 75, 83 



Hen, 104 



