INDEX. 997 



Page. 

 Peats, insect, introduction on imported nursery stock, need of inspection. 114-115, 138 



Pharmacological investigations 436-437 



Pheasants, importations, 1911 i 541 



Phenol, use as preservative of hog-cholera virus 248-249 



Phosphate deposits in different States, investigations 483 



location, note 12 



of United States, extent and value 108 



Photographic laboratory, Roads Ollice, work, 1911 753 



work, Publications Division, 1911, growth and summary 630, 631 



Photographs, collections in libraries of various bureaus, etc 675, 679 



Photography, recommendations by Committee of Efficiency and Economy. . . 624-625 



Phylloxera, grape, control investigations 513 



Phymatin, use in ophthalmic test for tuberculosis 237 



Physical chemistry, work 462 



investigations. Plant Industry Bureau, work 303-305 



Pickard, Capt. T. W., note on meteorological publications 177 



Pig-feeding investigations, Porto Rico Experiment Station, 1911 702 



Pigeons, "lumpy " disease, examination, results 241 



Piling, protection from marine borers, work 409 



Pine, white, blister rust, work 264 



Pineapple diseases, study and control 699, 702 



drying, experiments 323 



growing, Hawaii and Porto Rico 699, 701 



success in Guam 703 



Pines, resistance to gipsy moth 498 



Pittsbin-gh food and drug inspection laboratory, work 431 



Plague, bubonic, spread by rats and ground squu-rels 115-116 



Plant breeding, alkali and drought-resistant, work 302-303 



work of South Dakota Experiment Station 134 



diseases, control studies 55-56 



distribution, work 332 



fibers, investigations 285-286 



Industry Bureau, appropriations, disbursements, etc., 1911 558 



business operations of year 257 



changes in personnel 257-258 



estimates and appropriations for 1912 565, 570-571 



field stations 258-259 



library, report, 1911 676-678 



officers, titles, and salaries 960-961 



publications issued during year 258 



report of Chief, 1911 257-341 



review of work by Secretary' 53-79 



importations, pathological inspection, work 58 



introduction, progress 78 



lice, control by ladybird, note 520 



nutrition, investigations 297-298 



pathologists, trained, duties, need of Department, etc 58 



pathology, laboratory work 259-260 



physiological chemistry, studies 86-87 



work 460-462 



investigations 62 



studies, proposed work 471 



physiology, investigations 278-279 



poisoning, danger to stock in the West 61-62, 92 



quarantine and inspection law, necessity 114-115 



Planting crops, dates, investigations by Statistics Bureau 648 



Plant-introduction gardens, work 335-336 



Plants, alkali and drought- resistant, breeding investigations 62-63 



Congressional distribution 340 



crown-gall, studies 55-56 



drug, studies 61 



new introductions, progress 334-336 



poisonous, studies 61-62, 92 



root development, effect of plant foods, studies 461 



pugar-bearing, studies by Chemistry Bureau 86 



varieties, use in paper making, experiments 68 



