666 INDEX. 



Parasites — 



animal — a ,< 



control with tetrachlorid 103, 156 



investigations 154-157 



beneficial, importations 27 



borer, control of sugar-cane insects 319 



brown-tail moth, establishment 306 



bruchid, investigations 312 



codling moth, introduction 301 



com borer, introduction 307 



fur-bearing animals, investigations 345-346 



gipsy-moth, introduction and spread 305-306 



Japanese beetles 300 



Mediterranean fruit fly 312 



Parks, National — 



forest insects, surveys and control work 321-324 



game conditions 352 



Parrakeets, importations, 1922 367 



Parrots, importations, 1922 367 



Partridges, Hungarian, importations 366, 367 



Pastry, making, experiments 455 



Pathological Division, B. A. I,, report of work 144-149 



Pea weevils, control studies : 309 



Peach insects, control studies 301 



Peanuts, feeding to hogs, experiments 108 



Peas — 



insects, control work 315 



proteins, investigations 255 



Pectin, preparation — 



from cull oranges 271 



methods, studies 455 



Pennsylvania, quarantine of Japanese beetle 299 



Periodicals — 



Department, consolidation 45 



legislation affecting 378 



Permits, migratory birds, nests, etc., collection 365-366 



Persons, Warren M., expert statistician 531 



Pests — 



animal, poison baits preparation 282 



insect, survey, progress 330 



plant — 



control work of Horticultural Board 603-612 



interception at ports of entry 622-624 



Pharmacognosy investigations. Chemistry Bureau 281 



Pharmacological investigations, Chemistry Bureau 281 



Pheasants, introduction, 1921, results 359 



Phenol, investigations 153 



Phillips, E. F., in charge of bee culture investigations 324-330 



Phosphate, investigations in Soils Bureau 296-297 



Phosphoric acid, preparation methods 295, 296 



Photographs — 



collection by States Relations Service 416 



work of Publications Division 389 



Photosensitizing dyes, preparation 274 



Pickering Bordeaux mixture, studies 255 



Pig surveys, cooperation of Post Office Department 16 



Pigeons, investigations 113 



Pigs, infestation with roundworms, experiments 155 



Pilot-balloon stations, observations 88-89 



Pine- 

 white — 



blister-rust control work 23, 190-192, 611-612, 625, 626 



stand and value 190, 192 



yellow, blue stain, control studies 189 



Pineapples — 



growing in Porto Rico, and shipment 433 



rotation crops, Hawaii 429 



Pine-oil disinfectants, investigations by Insecticide Board 596-597, 600 



