INDEX. 1105 



I'age. 



Bee diseases, control studies, Entomology Bureau 651-653 



Beekeeping, studies and work of Entomology Bureau 651-654 



Beef, exports, remarks 23 



frozen, importation into Great Britain from South America 308 



production, investigations 155, 323 



shortage, possibility, discussion 308-309 



Bees, development, behavior, wintering, etc 653-654, 657 



Beet army worm, control studies 644 



seed, production, remarks 135 



sugar crop, increase and relation to soil improvement 9 



diseases, control work 135, 139 



field station, Idaho, establishment 395 



insects affecting, studies 643, 644 



price, 1912 20 



See also Sugar. 



Beetle, Black Hills, injury to forest trees, cooperative control work 632 



cigarette, control investigations 627 



elm-leaf, egg parasite, introduction 147 



potato, Colorado, control studies 642 



southern pine, outbreak, and control work 76, 149 



Beetles, Dendroctonus, injury to forest trees, control studies 76, 148-149, 631-635 



European Calosoma, gipsy moth enemy, establishment 622 



spp., injury to pine and fir trees, control studies 76, 148-149, 631-635 



Beets, low production, note 10 



8ug;ir, investigations 18, 135-136, 393, 401 



Beet-eugar industry, development, remarks by Secretary 135-136 



Belgian hares, artificial breeding, value, etc 660 



Belle Fourche Bird Reservation, report, 1912 672 



Benzaldehyde, semicarbazid method 581 



Bethesda Experiment Station, Animal Industry Bureau, work on animal 



diseases 384-388 



Bibliographical work, department library 807-808 



Bibliography, meteorology, review of new works in Weather Bureau library. . 290-292 



Billbug, com, studies 641 



Binding, expenditures 762 



work, department library 809 



Biochemic Division, Animal Industry Bureau, review of work 369-380 



Biological investigations, various States 667-669 



Survey Bureau, appropriation, disbursements, etc., 1912 690 



estimates and approjiriation for 19i3 703, 708-709 



officers, titles and salaries 1091 



proposed work for 1913 679-680 



report of chief, 1912 659-680 



review of work by Secretary 80-86, 173-176 



Biophysical investigations. Plant Industry Bureau 392, 420-121 



Bird protection, Lacey Act enforcement 923-924 



reservations, conditions during year, and new ones created 84 



National, report of work, 1912 67 1 -674 



Birds, economic relation to farming M-82 



enemies of alfalfa weevil and boll weevil 81, 82, 663 



food, cooperative studies 175, 664-665, 666-667 



identification for public institutions, study, etc 668-(569 



importations, 1912, supervision, numbers, etc. . . . . 82-83, 173-174, 176, 669-670 



migratory, data collection, and need of protection 85, 176 



native, publications on distribution and habits 174-175 



flants useful as food , studies 666 

 orto Rico, cooperative study 665-666 



relation to boll weevil, studies 81-82, 663 



shore, North American, data publication 668 



Texas, progress of report 668 



transmission of foot-and-mouth disease, study 312 



Bison Range, National, conditions 84, 674 



See also Buffalo. 



Biiulphid of carbon, use in fumigation of stored products 648 



Bitter pit, apple, control work 137 



rot . apple, control work 137 



70481°— AOB 1912 70 



