496 INDEX. 



Page. 



(( 



Salt blocks," insecticide, investigations 414 



Scab sheep, investigations and control work T19 



Scabies, sheep and cattle, eradication work, 1917 100 



Schedius kuvanac, parasite of gi])sy moth, establishment 229 



Schools, funds available from National Forest receipts 187-188 



Screen wire, testing 236 



Sea Island cotton, substitute, Georgia and Florida 146 



Secretary, Agriculture, report, 1917 3^4 



Sedum spectabile source of sugar, studies 199, 201 



Seed- 

 clover, production, insects affecting 239 



cotton — 



oil content improvement 139 



supplies, production and distribution to growers 145-146 



corn, productivity and i-iability, studies 161-162 



distribution — 



congressional, 1917 147 



new and improved crops, details 147-148 



labeling, agreement of seed dealers 161 



marketing investigations 446 



quality, investigations 161-162 



sugar-beet, production, increase 149 



tree, collection and jourchase for reforestation work 177 



Seeds, monthly reports 461-462 



Seismology work of Weather Bureau, 1917 60-61 



Serum, anti-hog-cholera, production 115 



Sheep — 



breeding and handling, parasites, etc 75-76, 118-119, 122 



grazing permits. National Forests, 1917, and management 178, 179, 193 



industry, special storm warnings 65 



lice, treatment and control 118 



production on reclamation projects 152-153 



roundworms, control work 117-118 



scab, investigations and control work 100, 119 



Sliipments — 



fruits and vegetables, market reports 456-457 



mail reports 435 



Silage, making on farms, records and tests, value 474 



Silviculture, studies, work, 1917 194-195 



Simpson, Medical Institute, drug adulteration, prosecution 399-400 



Smut, cereals, control studies 135 



Sneezewood, poisoning live-stock investigations Ill 



Snow, bulletins, work of Weather Bureau, 1917, and surveys 53, 58 



Sodium fluorid , use against lice of chickens and farm animals 237 



Soil survey, work, 19i7, review 219-222 



Soil^- 



Bureau — 



cooperation with War Department in chemical work 35, 223 



report of Chief, 1917 219-226 



surveyed and mapped, 1917, by States, areas 220-222 



radiation, investigations, Weather Bureau, work, 1917. 61 



Solicitor — 



library, work, 1917 318 



report, 1917 381-409 



Soiith Carolina, marketing work 449 



South Dakota, Wind Cave National Game Preserve, report, 1917 259 



Southern States, cooperative farm management investigations 480 



Soy beans, growing, extension 149 



Specialists, extension work, South, North, and West 343-344, 354-355 



Spillman, W. J. , report of the Chief of the Office of Farm Management, 1917 . . . 473-i80 



Spinning tests, cotton varieties 455-456 



Spraying machinery, investigations 231-232 



Sprays, fruit trees, effect on bees 250 



Squirrels, groimd, extermination, National Forests 253 



St. Louis Conference, agricultural situation 5-7 



