494 INDEX. 



Permits — Page. 



grazing, National Forests, 1917, and management of Live stock ]63, 



17S-179, 192-193 

 water-power, applications and use, 1917 182-183 



Photographic work — 



Publications Division, 1917 ' 287-288 



Roads Office 370-371 



Phosphates, investigations by Soils Bureau 224 



Pickle, white, disease of cucumbers, spread and control 133 



Pig clubs, organization, increase, membersloip, and work 78 



Pine, wliite, blister rust — 



field studies and results 138 



quarantines, foreign and domestic 417, 418, 429 



Pineapples, gro-^^ang in Hawaii, investigations of diseases, etc 333 



Pines, five-leaved, quarantine for blister rust 418, 429 



Plant- 

 breeding — 



experiments 139-142 



work, Hawaii, experiments 333 



diseases — 



control work of specialists 20 



investigations, 1917 132-138 



Industry Bureau — 



librarv, work, 1917 316, 3]8,'319 



report of Chief, 1917 131-162 



inspection. Horticultural Board, ports of entry and personnel 416 



Quarantine Act, administration, 1917, work of solicitor 382, 385, 396 



quarantines, foreign and domestic, lists 417^19, 428^30 



Plants- 

 poisonous, effects on live stock, inA'estigations Ill 



Quarantine law, scope, administration, and personnel 382, 385, 396, 415-416 



Poisonous plants — 



effect on live stock, investigations Ill 



eradication. National Forests, demonstration work 193 



Poisons, mineral, use in food products, suppression 213 



Porto Pdr-o Experiment Station, work, 1917 331, 334-335 



Post roads — 



construction, 1916 364 



projects approved, 1917 361 



Potash, American sources, development 224-225 



Potato importations, regulations and restrictions 427, 429, 430 



Potatoes — 



conservation, expert work on special surveys 21 



diseases investigations, 191 7 133 



production, 1916, 1917, discussion by Secretary 3 



utilization, work of Chemistry Bureau 203 



Potter, Albert F. report as Acting Forester, 1917 163-198 



Poultry — 



breeding and feeding investigations, 1917 78-80 



clubs, organization, States, members, etc 80 



diseases and parasites, investigations 109-110, 122-123 



packing, demonstration work of Chemistry Bureau 204 



Prairie dogs, extermination on forest ranges 254 



Printing — 



expenditures, 1917, and binding 272-277 



Weather Bureau, output, 1917, copies and cost : . . 13-14 



Publications — 

 Department — 



distribution, work of Document Section 288-290 



1917, numbers and classes, and divisions issuing 272-285 



sales, 1917 284-285 



work of 1917 31-32 



Division — 



expenditures and work, 1917 272-279, 285-294 



report of ( iiief, 1917 271-294 



food production and conservation, 1917 281-283 



Markets Bureau, 1917 , , 447 



