486 INDEX. 



Drainage — Page. 



districts, organization, financing and legal regulations 376 



investigations. 11)17 376-378 



Drugs — 



adulteration and misbranding, cases of special intest 217-218 



adulteration and substitution, control work 207, 209, 217-218 



habit-forming, suppression, work of Chemistry Bureau 212-213 



imported, inspection by Chemistry Bureau 208-209, 214 



Dry farming, field stations, Great Plains, work, 1917 144-145 



Drying wood, studies and cooperative work 166, 167, 195. 196 



Ducks, wild — 



diseases, studies 257 



food for, studies 255-256 



Durango cotton, growing in Virginia, community work 156 



Dust preventives, research work 372 



Earworm, corn, outbreaks. 1917 238-239 



Economics — 



home, work, 1917 355 -357 



road, studies. 1917 367-371 



Editorial work — 



Publications Divisions. 1917 285-286 



States Relations Service, 1917 325-326 



Education, veterinary, progress, 1917 124-125 



Egg packing, demonstration work of Chemistry Bureau 204 



Elk, conditions, game reservations, numbers, and feeding 182, 259 -261 



Engineering, rural, work of Roads OlFice, 1917 378-380 



Engineers, Forest, organization for war service 36 



Entomologist, report^ 1917 227-250 



Entomology Library, work, 1917 318 



EsTABROOK, Leon M., report as Chief of the Bureau of Crop Estimates, 1917. 295-307 



Exhibits, cooperative work of Roads Office 370 



Expenditures, printing and binding. Publications Division. 1 9J 7 272 -277 



Experiment — 



Station Record, volumes, 1917 330 



Stations Ofhce, work, 1917 328-337 



Expeiimental farm, Beltsville, animal husbandry work, 1917 73, 75, 78, 91 



Extension work — 



expansion 12-1 3 



North and West, report. 1917 345-355 



South, report, 1917 337-345 



Farm — 



bookkeeping systems, study 474-475 



engineering, assistance of Roads Office 379-380 



enterprises, history and distribution 476 



irrigation, investigations. 1917 374-376 



labor — 



supply to farmers 473-478 



supply work of Departments 28-30 



management — 



demonstrations. North and East 349 



Office- 

 library work, 1917 31 6, 318 



report of Chief, 1917 473-480 



organizations — 



develoijment 13-14 



studies by surveys, etc 477-480 



products — 



loss in transit 437 



marketing and distribution 432-438 



transportation and storage 437-438 



records, keeping and value 473-474 



surveys, work of Farm Management Office 475, 477 



tenure, investigations of Farm Management Office 475 



women, demonstration and extension work 340 -342, 353-354 



