INDEX. 1113 



Page. 



Demonstration work, insects injurious, value 149 



State cooperation 445-446 



Denatured alcohol, studies by Chemistry Bureau 201 



Dendroctonus spp. , injury to coniferous trees, control work 148-149 



Dendrological studies. Forest Service 538-548 



Denver laboratorj', food and drug inspection work 582 



Desert basins, as potash source 012 



Dietarj^ studies, value, etc 222 



Digestibility, foods, investigations 221 



Digitalis leaves, testing 569 



Dihydoxystearic acid, constituent of infertile soils 615 



Dipping fluids, diminution of strength by use, note 374 



Dips, arsenical, field tests, remarks 374 



use in cattle-tick control 167 



cattle, experimental work 381 



use against insects, and preparation 373 



Disbursements. See Accounts. 



Division. See Accounts Division. 



Diseases, animal , cause of meat condemnation 306 



control, laws, enforcement 249-250 



National Forests 521-522 



studies 45-48, 162-163 



lor which meats are condemned, list, etc 344 



scientific investigations 167-173 



study and eradication 31 1-312 



testing by complement-fixation 311 



cereal, investigations 427-428 



contagious, review of work 347 -348 



conveyance by insects, investigations 78 



crop plants, physiological studies 413 



fruit, investigations 3!Jl, 396-398 



plant, investigations :j'J 1 , 395-401 



Disinfectants, examination by Animal Industry Bureau 373 



Distillation, wood, studies and experimental work 545-546 



District of Columbia, cattle, tuberculin testing 353 



Division. See Accounts Division; Publications Division. 



Documents, handling in Division of Publications 776-778 



Dogs, transmission of tapeworms to sheep and reindeer, precautions 380, 383 



Domestic Crop Reports Division, Statistics Bureau, work, 1912 786-787 



DooLiTTLE, R. E., report as Acting Chemist 555-604 



Dourine, eradication, remarks 45, 355 



study and method of diagnosis 169, 170, 360-361 



Draft horses, breeding by department 43 



Drainage, farm, progress 108-109 



investigations, progress, scope, work, etc., remarks by Secretary. 108-109, 



226-228 



work, 1912 841-844 



surveys, work and proposed work 841-844 



Drawings, department publications, work of 1912 774 



Dried eggs, laboraton,^ studies, Omaha 502, 601 



Drier, hay, use in artificial curing of hay 440 



Drought resistance, plant breeding work 393, 408, 436-437 



Drug Division, Chemistry Bureau, work, review by Secretary 54-55 



investigations, work of year and proposed work 567-570, 602 



laboratory, establishment, and work since 1903 202 



plants, investigations and special problems 139-140, 391, 408-411 



Drugs, adulteration of importations 574, 589 



and food act enforcement investigations, and results 32, 202-207, 252 



Inspection Board, duties and important decision.s 244-245 



work. Chemistry Bureau and branch laboratories. 570-586 



Chinese and Japanese, inspection work at Honolulu 582 



domestic, iuspection. Chemistry Bureau 573-574 



imported, inspection 574 



inspection by Chemistry Bureau 54-55, 203-204 



testing, biological, and pharmacological investigations 568-569 



See also Food and drugs. 



