432 INDEX. 



Dairy — Continued. Pa e e - 



cows, feeding experiments 99 



cows, stabling experiments 99 



Division, work, 1916 88-100 



experiment farm, Beltsville, Md., breeding and feeding studies 99 



extension work, Louisiana 135 



farming investigations 88-91 



farming, Western States, work of Dairy Division 89, 90, 97-98 



industry, importance and extension 21-23 



products, marketing 399-400 



research laboratories, work . 93-96 



sanitation work, progress 96-97 



wastes, disposal, studies 95-96 



Dairying — 



community, development and creamery extension 23 



educational work 90, 98 



Dates, plant-breeding work 145 



Death camas, toxicity investigations 119 



Demonstration work — 



Bureau of Chemistry 199 



hog cholera control 72 



market news service 389 



See also Extension work. 



Dendrological studies, National Forests 185-186 



Department — 



Agriculture. See Agriculture Department. 



Circular, discontinuance 266 



Dips, laboratory examination and field tests 124-125 



Disbursements — 



Agriculture Department, 1839-1916 254-255 



Division. See Accounts Division. 



Diseases — 



animal, causes of condemnations of meat animals 101-302 



animal, eradication work, 1916 13-1S, 67-74, 106-108, 111-125 



plant, control work 27-28 



poultry, investigations and control 119 



Disinfectants, laboratory examination 124-125 



Distillation, hard-wood, studies 1S8-189 



District of Columbia — 



cattle tuberculosis eradication 17 



dairy cattle, tuberculin testing ' 112 



milk inspection 97 



Documents — 



distribution, work of Publications Division 272-276 



Superintendent, sales of Department publications 267 



Dogs, sheep, treatment for tapeworms transmissible to live stock 130 



Dourine, horse disease, eradication and testing 112-113, 114 



Drainage investigations, projects completed and under way 342-343 



Drawings, preparation for various bureaus, etc : 270-271 



Drexel Aerological Station, completion and use in 1916 64-65 



Drugs — 



adulteration and misbranding, cases, 1916 35 



importations, inspection work 203-204 



inspection work, cooperation with State officials 202-203 



standards, importance and necessity, recommendation 36 



studies : 195-196 



Ducks — 



wild, foods, studies 241 



wild, mortality in Utah, investigations 242 



Dugaldia hoopesii, toxicity investigations 120 



Duplicates, library books, disposal 290 



Durum wheat, acreage increase, and production 25-26 



Dust- 

 explosions, investigations and studies 198 



preventives, research work of Roads Office 338-339 



Duval and Couret, hog-cholera control, new method, experiments 72 



