INDEX. 1003 



Page. 



Silviculture, investigations 404-405 



Simulium fly, relation to pellagra, studies 524 



Sirup, Louisiana cane, moisture content, studies 450 



maple sap, investigations 86 



Sisal fiber, investigations 285-286 



Sitka (Alaska), Experiment Station, work, 1911 697 



Skin diseases of swine, investigations, 1911 239 



Slags, classification and investigations 741 



Small fruits. See Fruits, small. 



Smith, Dr. Theobald, appointed on referee board, order 812 



Smithsonian Institution, Canal Zone survey, cooperation of Department 541 



handling of foreign mail from Department 632-633 



Smuts, cereal, remarks 291 



Sniffin, William W., report as Librarian of Public Roads Office 681 



Snow and ice, conditions, summaries 179-180 



Snowfall, mountain, measurements, studies, etc 170-171 



Soda arsenite, use in weed eradication, Hawaii 700 



Soil bacteriology, investigation 60, 267-268 



studies by experiment stations 135-136 



biology, investigations, need of funds 492 



Chemistry and Physics Division, work, needs, etc 490-492 



constituents, beneficial or harmful, investigations 107-108 



Fertility Division, needs, etc 492-493 



investigations 107-108, 483-486 



improvement, work at Arlhigton farm 316 



maps. State, need 490 



resources of the country 478 



survey, cooperative work with States 105-106 



work, development and value 104-107, 475^78 



surveys, 1911, areas by States 475-477 



detailed work, needs, etc 489-490 



Division, work, scope, etc 488^90 



number and areas mapped 104 



scope of application 478-481 



value to different interests 479-481 



Water and Erosion Division, work, needs, etc 493 



movements, investigations, need of funds 493 



Soil-water investigations, 1910-1 1 486-487 



Soils Bureau, appropriations, disbursements, etc., 1911 559 



cooperation with other organizations 478 



estimates and appropriations for 1912 566, 571 



lines of work needing specific appropriations 493^94 



need of laro;er appropriation 487-494 



officers, titles and salaries 964 



report of Chief, 1911 475-494 



review of work by Secretary 104-110 



manurial requirements, studies, need of funds 492-493 



organic constituents, studies 484 



physical and chemical investi^tions 481-483 



Solar radiation, studies in Weather Bureau 42, 161-163, 182 



Solicitor, agreements, etc., prepared for other branches of Department 798 



Office, work of year, discussion by Secretary 35-39 



report, 1 911 759-948 



Bcope of work, general statement 759 



Sorghum, growing in Porto Rico, note 702 



head smut, studies 291 



investigations 338, 431 



Sorghums, grain, investigations 291 



varieties, use as stock feed in dry-land regions, studies 71 



South Carolina, drainage surveys and construction work, 1911 708 



Ex])eriment Station, work, note 138 



road building, 1911 731-733, 737 



tobacco investigations 297 



Dakota, drainage surveys and construction, 1911 709 



Experiment Station, work in plant breeding 134 



Soy bean, insects, study 516 



beans, investigations 338-339 



