482 INDEX. 



Anthrax — Page. 



disinfection methods 116 



investigations, 1017 106 



Antitoxin, hog cholera, preparation method 112 



Apanteles Tnelanoscelis, parasite of gipsy moth, introduction 229 



Appalachians, forest lands, acquisitions 189 



Apple- 

 cedar rust, control 136 



insects, investigations 230 



packing houses, in Northwest, studies 437 



Apples, storage, investigations • 158-160 



Appropriations, Agriculture Department, 1917, expenditures, etc 267-269 



Arizona, marketing work 448 



Arkansas — • 



bird reservation, work, 1917 261 



marketing work 448 



Arnold, Jos. A., report as Chief of the Division of Publications, 1917 271-294 



Arsenates, use as insecticides, investigations 413 



Ascaris suum, transmission, investigations 123 



Aspergillus spp., studies 202 



Attorney General, important opinions of interest to Department 395-396 



Auditing associations, formation ." 431 



Aviation Service, cooperative work of Forest Service 166-167, 196 



Avocado — 



quarantine 429, 430 



source of sugar, researches 201 



Bacillus holulimis, cause of forage poisoning 107-108 



Bacteriology of foodstuffs, studies 201 



Bacteriosis, wheat, description and prevention, studies, 1917 134-135 



Bacterium puUoruin , test 110 



Barley — 



acreage increase, 1917 149 



diseases, control studies 136 



Barnett, Claribel R., rejiort as Lil)rarian 309-321 



Beans, insects injurious, control work 242 



Beavers, mountain, control studies 255, 259 



Bee culture, investigations 247-250 



Beef industry, on reclamation projects 152 



Beekeeping, demonstration and extension 247-248 



Bees — 



diseases, studies 249-250 



wintering, investigations 249 



Beetles, injiu-ious to forest trees, investigations 240-241 



Beets, sugar, insects injurious, control work 242 



Beltsville Experimental Farm, animal husbandry work, 1917 73, 75, 78, 91 



Berkeley, Cal., agricultural conference on war emergency 6 



Bethesda Exjjeriment Station, work on animal diseases, 1917 125-217 



Binding — 



expenditures, 1917, and printing 272-277 



work of Department Library, 1917 316 



Biological Survey — 



library, work, 1917 312 



report of Chief, 1917 251-266 



Biological surveys, progi-ess, location and publications 258 



Bird reservations, location and work, 1917 261-262 



Birds — ■ 



attraction, information 256-257 



cage, care and breeding, investigations 257 



distribution, migration, and numbers 258 



importations, 1917 263 



migratory. Federal law enforcement, details 265-266 



stomachs, examination and results 256 



Bison, conditions on resei'vations, 1917 259, 260, 261 



Blepharipa scutellata, parasite of gipsy moth, establishment 229 



Bollworm, pink — 



cotton, exclusion, by quarantine of Mexican cotton 382 



distribution and control work, quarantines, etc 417, 419-422, 429, 430 



introduction, description, ravages, and control 40-43 



