INDEX. 675 



Wheat— Continued. Page. 



improved varieties, importance 32 



injury by insects 310, 311 



price — 



decline, causes, investigation 13 



Guaranty Act, administration 552-553 



production, costs 569 



rust, losses and control 27-28 



varieties resistant to leaf rust 204 



Whey- 

 food products from _ 116 



treatment for food uses, outlook 115-116 



White pine blister rust, cause and control 211-215 



Whitefisli Point-Grand Marais telegraph station service 77 



W^HiTNEY, Milton, report as Chief of Bureau of Soils 285-305 



Williams. R. W. , report as Solicitor 577-605 



Williams. William M., appointment as Commissioner of Internal Revenue... 577 



W^ind CaA"e National Game Preserve, conditions 367, 368 



Wintergreen oil. adulteration, court decision 262 



Wintering bees, investigations 340-341 



W^ither-tip, lime, investigations 218 



Wolves, control on ranges 345, 346 



Women — 



farm, home demonstration work, results 37, 469-472, 479-481 



home demonstration agents, work 467, 469-472, 479-481 



W^ood — 



distillation studies 248 



preservation, pathological problems 220 



properties, studies and tests 247 



Woodchucks, damage to crops, and control 352 



Woodland, utilization, cooperative studies 251 



Wool- 

 clip, 1920, prices and remarks by Secretary 12 



grades, preparation and distribution 536, 538 



imported, certificates 127 



production, 1909 and 1914-1920, estimates 8 



standardization 535-536 



unscoured, examination and grease extraction 269 



warehouse regidations, hearings 562 



work of War Industries Board, completion 564-565, 579 



World market conditions, study for benefit of farmers 13-14 



Worm, army, control work 311 



Worms, animal parasites, investigations 148-152 



Wormseed, Levant, adulteration 266 



Wyoming, Jackson Hole region, winter elk refuge, conditions 365, 367 



Yak, cross breeding with Galloway cattle, experiments 458 



Yams, tropical, growing in Florida 185 



Z.4.PPONE, A., report as Chief of the Division of Accoun,ts and Disbursements. . 379-381 



Zoological Division, Animal Industry Bureau, work 148-152 



Zygobothria midicola, parasite of brown- tail moth 328 



o 



