674 ANNUAL REPORTS OF DEPARTMENT OF AGRICULTURE. 



Vineyards — Page. 



injury by rodents 350, 351 



insects injtirious, studies and control work 315-31G 



Virgin Islands Experiment Station, work 21, 456, 464-465 



Virus act — 



amendments, recommendation 51-52 



work of Solicitor 583, 584, 598 



Virus-serum ( ontrol Ollice, work in 153-154 



Vocational education, agricultural, aid to 448, 450, 451 



Volcanology, investigations 86-87 



Walnuts, insects, control work 317 



War- 

 activities of Soils Bureau 285, 294, 295, 300 



Department, surplus materials, transfer to Forest Service 244 



Industries Board, wool work completion 564-565, 579 



material surplus, distribution for road building 510, 515 



Warbles, ox, control in cattle, work 150, 335 



Wardens, game and forest, need of protection laws 55 



Warehouse Act — 



administration 560-562 



amendments, recommendations 54 



Warehousing, work 560-563 



Wart, i)otato — 



i~i investigations 208 



r^' control work of Horticultural Board 626-629, 638 



Waste, cotton, importation regulations 628-631 



Wastes, agricultural, utilization 35-36, 192 



Water- 

 analyses, for Bureau of Roads 284 



meters, efficiency study 523 



court decision 592 



imports, adulteration 265-266 



power — 



farm homes 527, 528 



national forests, permits and receipts, sites, lines, etc 238 



rights, western farmers, study, and bulletin on 524 



spray kilns, successful operation 248 



Waterproofing canvas 282 



Watersheds — 



forest cover studies, cooperative 73, 250 



protection, cooperation, of Forest Service with States 245-246 



Weather Bureau — ■ 



Chief, report 65-88 



cooperation with Forest Service 73, 250 



publications 82, 85, 399 



work, scope and progress, summary 65-66 



Weather Re\'iew, monthly, decrease in size and edition 85-86 



Weekly- 

 Crop News, work 412, 415, 418 



News Letter, scope and value 388 



Weeks forestrv law, land acquisitions to June 30, 1920 582, 588 



Weevil- 

 alfalfa, control, cost and saving 310-311 



sweet potato, control in Gulf States 318-319 



Weevils — 



bean and pea, investigations 312 



corn, control 311 



Weight statements on packages, law pro\isions and amendments 261-262 



West Virginia, cattle feeding experiments 95-96 



Western States, dairving improvement 108 



Wheat- 

 acreage and production, 1914-1920, and exports 5, 6, 9 



black stem rust, cause and control 202-204 



diseases, causes, symptoms, and control 199-200, 201-204, 206-208 



durum varieties, introduction, yields, and value 32, 168 



growing, varieties, and breeding experiments 167-169 



