xc THE GYPSY MOTH. 



PAGE 



Post offices, frames placed in, 1S9 



Potassic cyanide on eggs, 413 



Potato beetle killed by arsenate of lead» 144 



Pratt, Augustus, elected a member of the committee, ... 76 



Predaceous Coleoptera, 381 



Diptera, 392 



Hemiptera, 392 



Hemiptera attacked by crows, ... ... 394 



Hemiptera, how reared, 394 



Hymenoptera, 378 



insects, aid given by, 284 



insects destroyed by birds, 241 



insects, Dr. Altum on importation of, 288 



Press, State, assistance given by, 199 



Primary distribution of the gypsy moth 104 



Printer-s' ink used in protecting trees from gyps}'^ moth, ... 34 



Process of emerging, 336 



of molting, 308 



of pupation, 332 



Progress of extermination, . . . . . . . . . 244 



Protection of birds, law for, 206, 242 



Protoparce celeus, granules ifi, 370 



Pruning, effects of improper, 175 



infested trees, 172 



season for, 179 



Preyssler, on ravages "of the gypsy moth, ...... 275 



Fteromalus houcliea.nns, . 377 



halidayanus, 377 



pini, 377 



Ptinus hrunneus, 385 



Pumps, Gould, 150 



how repaired, 156 



knapsack, . 149 



Pupre of the gypsy moth, arsenic found in, 476 



assembling by, 363 



attacked by parasites, 376 



birds feeding on, 7, 208, 228 



comparison of number of, destroyed annually, .... 93 



description of, 333 



destruction of , 58, 59,194 



emerging of imago from, 336 



parasites reared on 386 



per cent, parasitized, ......... 336 



size of, 333 



time spent in, 333 



Pupation in the field 335 



process of, 332 



Purple grackle attacking the gypsy moth, 207 



Pyroligneous acid on eggs, 416 



FyropMla pyramidoides, 402 



Pyrrharctia Isabella, 377 



