INDEX. 947 



Page. 



Sesbania macrocarpa, investigation as paper plant, note 301 



Settlement, National Forests, titles and claims 306-369 



Settlers, irrigated lands, need of information, aid, etc 758-759 



Sewage irrigation experiments, Iowa, crop yields 152 



Shade trees, disease studies, note 286 



insects injurious, studies by Entomology Bureau 545-546 



Sheep, bighead, description, occurrence in West, studies 259-260 



breeding, Alaska, experiments, etc 145, 750-751 



methods, investigations 212, 213 



danger from feeding roots to, note 141 



gid, control methods, studies in Montana 207, 272 



parasite, studies in Montana 207, 272 



inspection, 1910 243-244 



and dippin*^ for scabies, number 48 



necrobacillosis, studies in Wyoming and Montana 49, 206, 248 



roundworms, eradication experiments 272, 274 



scabies, control work, 1910 48, 206-207, 247, 272-273 



varieties, Bethesda Experiment Station 213 



woolless, introduction and breeding, Porto Rico 147 



Shipping. Sec Transportation. 



Shorthorn cattle, breeding experiments 214-215 



milking experiments 214-215 



Silk imports, value, 1910 18 



Silos, dairy, study of construction 233 



Silvicultural studies, Forest Service 408-411 



Silviculture, Branch of Forest Service, plans for future Avork 422-424 



Sisal growing experiments, remarks 63, 304 



Slag, use in road building, experiments 788-789 



Smelter fumes, effects on forests, etc., investigations 481 



wastes, effects on agricultural products, stock, etc 481 



examinations by Chemistry Bureau for various executive 



departments 106, 481-482 



Smuts, cereal, remarks 312 



Snowfall, measurement devices, description, equipment, etc 41, 178 



water equivalent, determination experiments by Weather Bureau. . 174 



Soda arsenite, use in weed ■eradication, Hawaii 146 



use in cattle dips 273-274 



"Soft drinks," medicated, examination 444 



Soil bacteriology, investigations 57, 287-288 



erosion, protective methods, studies by Soils Bureau 507 



fertility investigations, work, 1910 503-506 



maintenance, remarks by Si^cretary 139 



mapping, entire State, necessity and value 496-497 



relation to water, investigations 506-507 



resources, United Slates, monographs of facts, publication 112 



survey of logged-off lands in Puget Sound section 110 



work, 1910, area and cost 107-112,493-495 



cooperation with State organizations 108, 110, 493, 495-497, 498 



western division, progress 498 



surveys, relation to agriculture 497 



value in increased agricultural production 108-109 



water, investigations, Great Plain.s, scope, value, etc 1 10-1 1 1 



work, 1910 506-507 



Soils, acidity, relations to grazing plants 305 



arsenic accumulation, coop Tative studies 527-528 



Bureau, appropriation, di.-bursemints and balance 571 



force, number and ciaasitication 904 



laboratory investigations for various depart m-nts 501-503 



officers 914 



organization, growth, etc 497 



publicatioiisissued during year, newand reprints 691 



report of Chief, 1910 493-507 



review of work by Secretary 107-112 



Chinese, comparison with Americnn .soils, studies, etc 502 



fertility investigatiims, importance and value of work 111-112 



laboratory investigations, scope, value, etc 111-112 



