INDEX. 403 



Page. 



Bacteria, nodule-forming cultures, distribution and use 148 



Bacteriology, milk, studies 102 



Bad-Em-Salz, drug misbranding, decision 339 



Barium chloride, removal from salt brines, methods 194 



Barley — 



crop, 1914 / 3 



exports, 1914-1915, value, per cent of crop, increase 4, 5 



prices, effect of European war 5 



Barnett, Claribel R., report as Librarian, 1915 283-293 



Bat guano, deposits, investigations, Porto Rico 304 



Beavers, mountain, injuries to small fruits and crons 236 



Bee- 

 culture, work, 1915. 230-231 



keeping, Guam , extension .307 



Beef- 

 cattle, extension work 84-85 



imports condemned 110 



production, experimental and extension work 83-85 



Bees- 

 development, activities, and diseases, studies 231 



wintering, investigations 230 



Beet- 

 pulp, effect on flavor of milk 98 



sugar, sections, conditions, etc. , studies 152 



Beetles. Dendroctonus, control, demonstrations 224-225 



Beets, sugar — 



insect pests, control studies 226 



seed production in United States, experiments 158 



Berries, shipping by parcel post, experiments 379-380 



Bethesda Experiment Station, work 137-140 



Bibliographical work, office and bureau libraries 286, 287 



"Bigneck," calves, note 120 



Binding expenditures, 1915, and printing 254-258 



Biochemic Division, work 123-133 



Biological — 



products, control, progress 122 



Survey Bureau, report of chief, 1915 233-247 



surveys, progress, 1915 240 



Bird reservations, location, and reports 241-242 



Birds- 

 attracting, methods 238 



iiiological investigations 239-240 



destruction by poachers, Laysan Island 242 



distribution and migration, numbers, etc 239 



economic investigations 236-238 



importation, 1915, decrease 244 



migratory — • 



food supply, investigations 240 



law, enforcement 343 



law, regulations and administration 245-246 



Bison, Montana National Range, report 242-243 



Bitter rot, apple, control investigations 146 



Bituminous sand construction, Florida roads, studies 324 



Blackleg — 



loss from 10 



vaccine, distribution 121 



Blister rust, white pine, investigations 146 



Blowflies, injurious to wool of sheep 219 



Bluegrass, injury by green-bug attack 221 



Boll weevil, cotton — 



control studies 216-217 



dispersion and new infestations, area 216, 217 



BoUworm, pink, quarantine regulations 354, 355, 359 



Books, collections in branch libraries returned to main library 286 



Boone area, Appalachian forest lands, purchases 336 



Borax for control of house fly, comparison with hellebore 219 



