2 DEPARTMENT OF AGRICULTUKE BULS, 676-700. 



Asphalt— - * .Bulletin 



oil — No. Page. 



specifications for poured-joiiit filler 691 22 



specifications for road construction 691 9-21 



specifications — 



for fluxed Burmudez for construction 691 23-34 



for fluxed Trinidad for construction 691 35-36 



Attrition mill, description and use in study of grain-dust explosions. . 681-^ -, Too 



Bacteria, soil, effect on solubility of phosphates 699< -.-.k -itq 



Ball, Carleton R., and Benton E. Rothgeb, bulletin on "Grain 



sorghum experiments in the Panhandle of Texas " 698 1-91 



Basket elm, note 683 2 



r 18—20 



Baskets, manufacture, use of elm lumber 683< oq ., >^ 



Basswood — 



f 41-42 



honey source, dates of blooming periods, quality, etc 685< 48-49 



[ 53, 55 



tests for shrinkage, hardness, etc 676 15 



Beans — 



r 20 30 



growing in New Jersey, notes 677-^ oo c2-74 



injury by Southern green plant-bug 689 2, 13, 14 



Beekeeping, industry, magnitude and distribution of colonies 685 2-11 



Bees — 



distribution in United States, map 685 2-3 



enemies, diseases and insects 685< , „ , q of 



food supply and protection in winter 685 11-14 



increase of colonies by swarming, tables, etc 685 9-11 



losses by disease and in wintering, causes 685 14-21 



f6-7, 9-10, 

 12-24, 



statistics, and honev 685< 26-27, 



29-33, 



[ 36-37 



statistics of colonies in United States, 1900-1918 685 3,5-9 



swarming, by months, and resulting increase 685 9-11 



United States, and honey production, bulletin by S. A. Jones... 685 1-61 



wintering, methods and losses 685 11-21 



Beet tops, utilization as feed and green manure, value 693 40-41 



Beets — 



acreage, relation to size of farm and irrigation area 693 8-10 



blocking and thinning, practices and costs 693 30-31 



growing, labor rates for man and horse 693 " 14 



sugar — 



acreage and yield, growers estimates and factory exports. . . 693 10 



acreage and yield, relation to cost 693 41-42, 43 



growing, field practices and cost, Utah and Idaho 693 15-39 



growing in Utah and Idaho, farm practice, 1914-15, bulle- 

 tin by L. A. Moorhouse, T. H. Summers, R. S. Washburn, 



and James W. Jones 693 1-44 



production and costs 693 35-39 



publications of department, list 695 44 



receipts, comparison with receipts from other crops 693 42 



Bent- 

 carpet, description of grass 692 4, 11-12 



agricultural species, bulletin by Charles V. Piper and F. H. 



Hillman 692 1-27 



forms used in agriculture, descriptions, occurrence 692 1-13 



Rhode Island, description of grass and its seed 692 < Inni 



seed, South German mixed, notes 692 15, 22-24 



velvet, description of grass and its seed 692 4, 11, 21 



