INDEX. 425 



Seed— Pag»- 



cotton. See Cottonseed. 



extraction, studies, Forest Service 181-182 



quality investigations 157-158 



Seeds — 



conifer, insect injuries 223 



field, new and rare, purchase, propagation, testing, and distribution, 1915. 154 

 imported — 



adulteration, warning 157-158 



countries of origin, 1915 357 



Seismology, work of Weather Bureau 73 



Sequoia pitch moth, control 223 



Serum — 



anthrax, value, experiments 118-119 



hog-cholera — 



contamination with foot-and-mouth disease germ, instance, results and 



precautions 18-19 



efHcacy, production, legislation, etc 20-24 



plants in United States 21 



production, control by Government, discussion and suggestions 21-24 



source of outbreak of foot-and-mouth disease 83 



Serums, preparation, shipment, etc., law enforcement 341-342 



Sewage disposal, studies, note 103 



SeweUel, injuries to small fruits and crops 236 



Sheep — 



breeding — 



for Persian Iamb fur, experiments 92 



New England, experiments 93 



range, work 91-92 



Corriedale, importations for breeding, by Grovernment 92 



export, inspection work 115 



foot-and-mouth disease, outbreak, spread and control 78-83 



grazing, handling system, etc. , studies 183 



imports, number, ports of entry, inspection, and quarantine 114 



inspection for meat, work 105, 106, 107 



lip-and-leg ulceration, inspection 112-113 



losses from foot-and-mouth disease 82 



pasturing, experiments 92 



protection from coyotes by inclosures, practicability 183 



raising, investigations, and work 91-92 



roundworm infection, studies 134-135 



scabies — 



annual loss from (with cattle) 10 



eradication work 112 



Shellfish, bacteriological studies 193 



Silage, studies 103 



Silvicultiire, studies, data collection, etc 184-185 



Sirups, manufacturing methods 194 



Sitka Experiment Station, frmt-growing experiments 301-302 



Smuts, cereal, studies 146-147 



Snowfall, high altitudes in West, surveys 60-62 



Social activities, rural 391-392 



Soda, arsenite, use in weed eradication, Hawaii 304 



Soil- 

 chemistry and physics, investigations : 205-210 



erosion, causes, investigations 209 



fertility, investigations, field and laboratory 209-210 



moisture, determination method, development 209 



pressure, studies 209 



studies, special 202 



siirveys, progress, 1915, and areas, by States 201-205 



Soils Bureau, report, 1915 201-210 



Solar radiation, investigations, work 74-76 



Solicitor — 



address on cotton f utiu-es 328 



report, 1915 327-346 



