INDEX. 429 



Page. 

 Washington, Smith Island bird reservation 241 



Washington-Atlanta highway, demonstration, maintenance work 317 



Wastes, city and industrial, as nitrogen source 207 



Water- 

 flow in irrigation canals and conduits, study 308-309 



measurement devices, studies 307-308 



requirements, crop plants, studies 147-148 



Water power, National Forests — 



development, discussion by Secretary 47^8 



new legislation recommended 174-175 



permits, construction, receipts, etc 174-175 



use, court decisions 335 



Waterfowl — 



shipment, Mississippi Valley, State laws 245 



Utah and California, mortality, studies 236-237, 241 



Waters, mineral, misbranding, prosecutions 196 



Watersheds, protection, cooperation of Forest Service and States 179-180 



Weather Bureau — 



extension of operations 57-58 



pubUcations, work, 1915 253, 256, 260-261 



report of chief 57-76 



Weather forecasts, work of Weather Bureau 64-67 



Weather, stations and observations 58-63 



Webworm, sugar-beet, control 226 



Weed seeds, use in ground feeds 158 



Weeds, eradication, Hawaii, by use of arsenite of soda 304 



Weeks law — 



administration by Solicitor 330, 336-337 



enforcement, cooperation of Forest Service with States 179-180 



Weevil — 

 alfalfa — 



bird enemies 238 



control work 223 



cotton, Arizona, control studies 217 



Wheat- 

 crop, 1914 3 



exports (with wheat flour), 1914-1915, value, per cent of crop, demand, etc. . 4, 5 



prices, effect of European war 5 



root diseases, studies 147 



Whitney, Milton, report as Chief of Bureau of Soils 201-210 



Willow cuttings, distribution by Forest Service, and studies 184-185 



Wind Cave game preserve, work, 1915 242 



Wintering of bees, investigations 230 



Wireless telegraph, distribution of weather forecasts 6() 



Wireworms, investigations 221 



Wolves, eradication, experiments and demonstrations 235 



Women, county agents, work in South 41 



Wood- 

 preservation, cooperative studies 187-188 



preservatives, experiments by Forest Service 188 



pulps, manufacturing methods, yields, etc 188 



Woodlot, studies of products 184 



Woods, Idaho, study - 200 



Wood-using industries, United States and State reports, preparation and dis- 

 tribution 188-189 



Wood-waste exchange, establishment and value 188-189 



Wool maggot, sheep, new pest — 219 



Wools, preparation and classification, studios 91 



Worm, army. See Army worm. 



Worn-out cotton farm, improvement as dairy farm, demonstration work 97 



Wyoming, elk refuge, work, 1915 243-244 



Yearbook, distribution, 1915 269 



Zappone, a., report as Chief of Division of Accounts and Disbursementa 249-251 



o 



