INDEX. 943 



rage. 



Plants, alkali-resistant, breeding, invcst'gat.ons .' 72-73 



Congressional d"str!but'on 3G1 



drouglil-resstant. breeding, invest'gations 72-73 



economic tollcctions, remarks 306 



foreign, introduction, work 355-3G0 



imported, inspection for insect infestation 542 



nutrition ratios 319 



ornamental. Alaska, experiments 750 



Plum curculio. spraying, work of Entomology lUireau 528 



Plumage, traffic for millinery purposes, legislation, etc 5G3 



Plums, study, remarks , 30G 



Poison, ground squirrel, effective use of strychnine on barley 123 



mice, strychnine with oatmeal effective 124 



prairie dog, strychnine with oats effective 125 



suggestions for use 551 



squirrel, suggestions for use 550, 551 



Poisonous-plant investigations, -review and outlook GO-Gl, 297-298, 300 



Poisons, use against rodents, suggestions 550, 551 



in tobacco-insect control 520-521 



Pollination experiments, apple, remarks by Secretary 141 



Pomological collections, review of work 343 



work 352 



Pomology, field investigations 75-76, 343 



Population, relation to agricultural production 70S-710, 713-716 



Pork production, investigations in Alabama 218 



Portland laboratory, food and drug inspection work, 1910 475 



Porto Rico, Experiment Station, review of work bv Secretarv 146-147 



wor k , 1 9 1 .' '. 753-755 



live-stock diseases, studies, 1910 255 



mango growing 77 



Post Office Department, cooperation with ( hemistry Bureau in fraud cases, 442^43 



Potato beetle, Colorado, destruction, use of lime-sulphur, etc 532 



botanical origin 306 



diseases, need of investigations and work, remarks by Secretary 56-57 



study 286 



Irish, investigations 340 



sweet. See Sweet potato. 



wart, danger of introduction, remarks by Secretary 57 



wilt, nature of injuries, need of investigation, etc 56 



Potatoes, croj), 19 10, yield 13 



new varieties, need, note 56 



production per acre for several years 711, 712 



Poultry, deterioration, studies by Chemistry Bureau 429-432 



diseases, study 2G3 



feeding tests and experiments 44-45, 21G-217 



hvbrid, breeding experiments 216 



investigations, 1910 44-45, 215-217 



by Chemistry Bureau 101-102 



prices, farmer's share 21-22, 24 



shipping, dres.sing, storage, etc., investigations 429-432 



Powell, G. iU.^KOLD, report as Acting Chief, Bureau of Plant Industry, 1910.. 279-3G2 



Power companies, occupancy of national forests, regulations 371-373 



Prairie dogs, control, measures and investigat ions 125 



destruction, investigations by Biological Survey 551 



Prescription remedies, examination of claims 445 



Press lists, Publications I)i\ i.^ion, u.'^e, etc G23 



notices, preparation and dis,semination 623 



Prices, high, investigation, special, 1910 20, 24 



retail and wholesale, st udy 136 



Prickly pear, breeding to produce spineless form 81 



investigations, remarks 331-332 



ppiiu'le.ss, value a.s cattle feed 81 



Printing, expenditures, various bureaus and offices G27-G29 



(i)fHce, department branch, discontinuance G24 



Production and Distribution Division, Bureau of Statistics, work and pro- 



lK)se(l work 700-702 



