Ixxx 



THE GYPSY MOTH. 



PAGE 



Hylan, J, P., on assembling of gypsy moth, ..... 345 



on leaf area of trees, 495 



Hyla pickeringii, 404 



Hymenoptera attacking the gypsy moth, 375 



Hymenopterous parasites destroyed by flycatchers, . . 220, 241, 376 



Hyphantria cunea, 402 



Hypogymna dispar, 255 



I. 



Ichneumon disparts, 378 



grandis, hibernation of, 377 



Ichneumons captured by birds, 220, 241, 376 



Icterus galbula. See Baltimore oriole. 



Imago of gypsy moth. See Female moth ; male moth. 



Implements used in searching for eggs, 125 



. 232 



233, 234 



4 



288, 406 



270 



. 368 



94 



95 



. 235 



5 



95 



31 



95 



5 



6 



84 



207, 219 



104 



52 



223 



. 50, 52 



49 



70 



53 



100, 101 



53, 108 



196 



108 



6-1 



101 



101 



36 



69, 79 



99 



Importation of birds, .... 



of English sparrow, 



of gypsy moth, form of, 



of parasites, 



Imported insects, damage from, . 

 In-and-in breeding, .... 

 Increase of the gypsy moth, 



conditions favoring rapid, 



due in some measure to sparrows, 



influences that retarded, 



normal rate of, in isolated colonies, 



on neglected lands, 



ratio of, 



retarded by climate, 



retarded by isolation, 



weather favorable for the. 

 Indigo bird attacliing gypsy moth, 

 Infestation, centres of, ... 



Infested estates, account kept of, 



localities, birds frequenting, 



localities designated on maps, 



region appointed to inspectors, . 



regfon, colonies found in 1891 outside 



region, condition in 1891, 



region, description of, . 



region, extent of, . 



region, how inspected, . 



region, inspection of belt around, 



region of 1891, moth rai'ely found outside of, 



region, proportion of population in, 



region, railroads running through, 



region visited by Agricultural committee, 



region visited by entomologists, . 



towns, proportionate numbers of the gypsy moth in, 



of. 



