948 ANNUAL EEPORTS OF DEPAKTMr.NT OF AGRICULTURE. 



Page. 



Soils, organic matter, origin, etc 503-506 



phvsical and cheniical, investigations 503-506 



Solar radiation, nu'asurcni.nts, study, Weather Bureau, 1910 -11, 1G1-1G5, 175-176 



recording apparatus, improvement 1G5 



Solicitor, ligal advice 793-794 



Ollice, review of work by Secretarv So-lifi 



work, report, 1910 793-895 



opinions on questions involving the National Fori sts 871-872 



report ,1910 793-895 



Sorghum midge, investigations 531. 



Sorghums, grain, investigations, note OG, 312 



impnu'ed, testing, results 3.jy-3G0 



Sotol, sugar content, study 449 



South Carolina, aroid grt)wing 78 



paprika pepper growing, progress 59 



tobacco investigations 318 



Dakota, reconnoissance surveys, 1910 500 



Soy bean investigations 360 



oil production 327 



use in manufacture of oleomargarin, study 267 



Spider, cotton red, investigationsand control methods 522 



Spirits, distilled, handling, storag.>, etc., studies 438 



Splitworm, tobacco, control investigations 520 



Spotted fever, spn ad by ticks 121, 124, 538 



Spraying apple, study and changes : 283-284 



fruit trees, methods, etc 524-52.9 



insects affecting citrus fruits, experiments 534-536 



moth, measure for control of gipsy and brown-tail moths 115 



success against orange thrips 117 



vegetable crop.s, cooperative experiments 532 



Sprays, orchard, note 54 



varieties, experiments with apricots in California 528 



tests, etc 524-529, 532 



Squirrels, California ground, transmission of plague, control measures, etc. . 550 



ground, damage to forest seeds and seedlings, control measures 551 



relation to spread of spotted fever, investigations 549-550 



See also Ground squirrel. 



St. Louis laboratory, food and drug inspection work, 1910 _ 475 



Paul laboratory, food and drug iuspection work, 1910 475-476 



Stallions, use in breeding horses for Lnited States Army, number required, 



etc.... 224-225,228-229 



Starlings, early importation, result, investigations, etc 128, 556-557 



State Department, cooperation in study of Haarlem oil 460 



Statistics Bureau, appropriation, disbursement and balance 571 



force, number and classification 906 



ofhcers 915 



organization G95-696 



publications issued during year 692 



report of Chief 695-722 



review of work by Secretary 135-137 



st ud ies of prices of beef and pork 136 



Stearin, oleo, imported , use in manufacture of oleomargarine 245 



Steel, corrosion, laboratory studies, Public Roads Office 156-157,789-790 



Stencils, use in addressing mail matter, document section 637-638 



Stock breeding work, Kodiak station, Alaska 145 



Porto Rico 147 



Storage, apple, in California 348 



effect on canned meats, study - - - - 26S-269 



fruits, investigations 75, 76, 345, 347 



lemon, investigations " 347 



meats and fish, studies by Chemistry iJureau 449 



Stored products, insects injurious, studies 539-542 



Storm-warning stations, list 187-188 



Strawberries, hybrids, experiments in .\laska 750 



Strawberry insects, study in North Carolina 532-533 



