424 ANNUAL REPORTS OF DEPARTMENT OF AGRTCULTURE. 



Page. 



Rhode Island, gipsy and brown-tail moth, control work 211, 213 



Rice, handling, storing, etc. , experiments 157 



River and Flood Service, Weather Bureau, work 67-68 



Road — 



county, management, investigations 320 



materials, tests, physical and chemical 323-325 



Roads — 



construction — 



and maintenance, work of year 314-319 



various types, 1906-1915, area 316 



experimental construction, 1915 314-315 



inspection and advice, various States, by Roads Office 315-316 



maintenance, State and county, investigations 316-317 



National Forests, work of Roads Office 176-177 



Office- 

 change of name and removal of offices 313 



cooperation with Forest Service in road construction in National For- 

 ests 176-177 



cooperation with other bureaus in dust-explosion studies 194 



report of chief 313-326 



road construction and improvement in National Forests, list 176-177 



statistical and research investigations 319-320 



Rocks, road-building, testing 324 



Rodents, destruction in National Forests, progress of work 173 



Root diseases, wheat and oats, studies 147 



Rosin — 



grading, standard type, adoption by boards of trade, etc 200 



type samples, for grading, preparation and adoption 200 



Roundworms, sheep, studies 134-135 



Rural — 



credit — 



investigations 389-390 



studies and investigations 34-36 



systems, investigation by Solicitor ' 328, 344 



engineering work, transfer to Roads Office 326 



organization — 



investigations 389-392 



Office. See Markets Office, 

 schools. See Schools. 



Rust, blister, of white pine, control studies 146 



Rusts, cereal, studies 146 



Salt River watershed, snowfall survey, work 61-62 



Samples, insecticide and fungicide, interstate and imported 348-350 



Sap stains — 



losses to timber owners 188 



prevention 187-188 



Sardines, improvement 193 



Scab, powdery, of potatoes, c^uaranl ine 354, 359 



Scabies — 



live stock, eradication work 112 



sheep and cattle, loss from 10 



Schedius kuvanae, distribution 213 



Schools — 



agricultural, relations of Department 297-298 



milk-testing, cooperative work in West 101-102 



movable, work of Farmers' Institute specialist 298-299 



rural, bulletin series on elementary agriculture 297 



Sclerospora maydis, corn disease, quarantine order 353 



Scours, white, of calves, investigations 120 



Screw-worm fly, investigations 219 



Searles Lake — 



Basin, source of potash, discussion 207 



source of potash, note 26 



Secretary of Agricultme. See Agriculture, Secretary. 



