INDEX. 



Ixxxvii 



o. 



Oak attacked by gypsy moth in Europe, 



leaf, area of, 



Obstacles to extermination, 

 Ochsenheiraer, " Schinett. v. Europa," 

 Ocneria dispar, ..... 



act to provide against depredations by. 



See Gypsy moth. 

 Ocneria rubca, peculiar structure on fore wings of, 



studies on, 



Odoriferous glands of bugs. 



Oil, creosote, for destroying eggs, 



hose, 



parafflne gas, used for burning, . 



parafflne gas, used on eggs, . 



rape, with tar for banding trees, . 



spray, burning with, .... 

 Old World, injuries of gyps}'^ moth in. 

 Orchards attacked by gypsy moth, 



extermination of moth in, . 

 Orenboorg, ravages of gypsy moth at. 

 Organization of committee, 



of field force, ..... 



of second commission, . 

 Orgyia definita, influence of environment on, 

 leucostigma, ..... 



compared with gypsy moth, . 



destroyed by spraying, .... 



increase due to English sparrows. 

 Oriole, Baltimore, attacking the gypsy moth, 

 Osborn, Prof. Herbert, identification of mites. 

 Outbreaks of the gypsy moth checked by birds, 



of the gypsy moth in 1889, . 

 Oven bird attacking the gypsy moth, . 

 Ovlposition of gypsy moth, 

 Ovipositor of gypsy moth, . 



PAGE 



274-277, 281-283 

 495 

 245 

 255 

 255 

 47 



342 

 256 

 394 

 63, 123, 410 

 120 

 120 

 417 

 285 



59 

 273 

 274 

 248 

 280 

 38, 49 



50 



45 

 273 

 402 

 272 

 140 

 235 

 27, 237 

 404 

 205 



10 



208, 219 



363 



342 



13, 225 



P. 



Packard, Dr. A. S., infested region visited by, G9 



report of (Appendix D). 



Paint and creosote tube, 124 



for use in marking trees, 51, 124 



for use on wounds on trees, 178 



town section bounds marked with, 50 



Palsacrita vernata, 402 



food plants of the, 97 



Palpi, labial, used in spinning, 332 



of imago, 339 



