644 ANNUAL REPORTS OF DEPARTMENT OF AGRICULTURE. 



Binding — Pagi. 



and printing, appropriation, 384 



library books, work 435 



Biocheinic Division, Animal Industry Bureau, work 142-148 



Biocliraatic law, relation to forestry and agriculture 324-325 



Biological — 



investigations, birds and mammals 343, 361-366 



products, examination and testing 139-140 



Survey — 



Bureau, report of Chief 343-378 



library, work 440, 441 



Birch, oil, adulteration, court decision 262 



Bird laws. National and States, enforcement 372-377 



Birds- 

 banding, work of American Bird Banding Association 362 



census, continuation of work 362 



distribution and migration, studies 362 



enemies of insect pests, study 360 



fish-eating, control 358 



food, studies 361 



importation, control 376-377 



investigations and protection 357-361, 362, 364, 369-375 



migratory — 



protection, law violations and convictions 372-375, 578, 581, 584, 599-600 



treaty act, administration 343, 372-375 



National Forests, investigations 365-366 



poisoning, danger, discussion 359 



reservations — 



supervision, etc 343, 366, 369-372 



trespass cases 584, 600 



wild , migratory, breeding grounds, investigations 364-365 



Bison — 



Moiese iVational range, conditions 366-369 



numbers on game reservations 368, 369 



Black stem rust, wheat, cause and control 202-204 



Blackleg — 



hog, organism causing 138 



vaccine distribution 139 



Blanching, importance in drying fruits and vegetables 277 



Blastophaga, fig insect, necessity in Smyrna fig growing 181 



Bleaching carbon, kelp char, grades and value 1& 



Blepharipa scutellata, parasite of gipsy moth 328 



Blight- 

 collar, in apple, control 217 



fusarium, of wheat, cause and control 199-200' 



pear, decrease 217 



spike of castor bean, investigations 210 



Blister — 



mite, cotton, quarantine 623, 638 



rust, white pine, cause and control _ 211-215 



Block Island-Matunuck Beach, telegraph station service 75' 



Blueberry, culture experiments 171 



Boll weevil- 

 control work 28, 608-609 



extermination, studies 277, 329-331, 608-609 



Bollworm, pink — - 



extermination work 28 



quarantine 618, 637 



work of Horticultural Board 613-620 



Books — 



numbers in library and branches, and accessions of year 427, 432, 400 



rare, acquisition by library 432 



Borax, effect in fertilizers 195 



Bordeaux mixture, combinations, tests 608 



Borer — 



corn, European — 



quarantine work 624-626, 637, 638, 639, 640 



spread, habits, and control 307-309 



