INDEX. 557 



Sheep — ^Continued. Page. 



grazing, National Forests, numbers, by States 192 



range, investigations 85 



scabies eradication wck 74, 75, 110-111, 131 



tapeworms control 131, 132 



Ship ballast, spread of insects, possibility 530 



Ships, concrete, construction problems, work of Roads Bureau 393-394 



Sires, better, for improvement of live stock 78, 82 



Sirup, studies. Chemistry Bureau 219 



Sisal, growing experiments 154, 155 



Skunk, value as fur animal 284 



Smut, flag, wheat disease, outbreak and control 519-520 



Smuts, cereal, cause and control 170, 171-172 



Snail, Eurpoean, contiol in citrus orchards 261 



Soda nitrate, purchase and distribution to farmers 428, 453 



Sodium fluorid for lice control on chickens and pigeons 269 



Soil- 

 conditions, forest and public lands, studies 238 



fertility investigations 164-168 



physics, work of Soils Bureau 245 



surveys, work, 1919, by States 235-239 



Soils Bureau — 



report of chief, 1919 235-245 



specialists, cooperative work, fertilizers, etc 386 



work for other bureaus and departments 238-239 



Solicitor, report, 1919 469-497 



Sorghums, grain, growing, varieties, acreage, etc 139-140, 154 



South Carolina, road projects approved, 1918, 1919 402, 403, 406, 408 



South Dakota — 



road projects approved, 1918, 1919 402, 404, 406, 408 



Wind Cave National Game Preserve, work, 1919 291 



Southern States — 



faiTTL management demonstrations 468 



sweet potato weevil, control 255-256 



Soy bean — 



oil, substitute for linseed oil 127 



products, spoilage, studies 229 



varieties testing 152, 158 



Specialists, extension work in South, North and West 375, 383, 385-386 



Sphinx moth, grape, control 252 



Spoilage of foods, studies 229 



Sprajnng— 



alfalfa weevil method 248-249 



citrus orchards, experiments 261 



fruits, for insect control, notes 251-254 



operations, special service. Weather Bureau, 1919 67 



Squirrels, ground, control work 279-280 



Stables, disinfection experiments 135 



Standards — 



cotton, investigation and determination 445, 455 



gi-ain, determination, and administration of law 442-443, 455^57 



State Department, soil studies cooperation with Soils Bureau 239 



States — 



assessors, returns on agricultural statistics 329-330 



cooperation with Forest Service in fire protection, costs 203 



States Relation Service — 



cooperation with other divisions, etc 377-379, 386 



Library, work, 1919 347, 349 



organization and scope of work 353-355 



report of Director, 1919 353-389 



Statistics — 



agricultural, cooperative work, of Crop Estimates Bureau with States. . . 328-329 



crops and live stocks 6-10 



Library, 1919 349-352 



Steers, feeding. Southern States 80, 81 



Stem rust, control work 168 



Stizolobin of Chinese velvet bean, hydrolysis, results 220 



Stocks, fruit, promising new 158 



