2 DEPARTMENT OF AGRICULTURE BULS. 726-750. 



Bulletin 



Avocado— No. Page. 



enemies, insects and diseases 743 33-36 



< ruatemala. bulletin by Wilson Popenoe 743 1-69 



Guatemalan — 



fruit characters, size, color, skin, seed, etc 743 22-26 



seedlings introduced into United States, descriptions, 



origin, value.'etc 743 42-69 



Mexican, characters, and distribution in Guatemala 743 10, 36 



seedlings. Guatemalan, introduced into United States, de- 

 scriptions 743 42-69 



tree, growth habits, age, bearing, and yields 743 15-20 



uses in Guatemala 743 4-6 



West Indian, characters, and distribution in, Guatemala 743 10, 36 



Avocados — 



classification by race or type, general characters 743 8-10 



growing in Guatemala, extent 743 2-4 



growing in Guatemalan highlands, elevation, soils, yields, etc.. 743 10-36 



improvement in Guatemala, result of selection 743 11-14 



picking, ripening, and marketing in Guatemala 743 20-22 



weevils infesting 743 34-35 



Ayers, S. Henry, and Paul W. Clemmer, bulletin on "The 



significance of the colon count in raw milk " 739 1-35 



Bacilli, growth in raw milk, discussion 739 19-26 



Bacillus — 



aerogenes, sources, and presence in milk 739 3-9, 27-30 



coli, sources, and presence in milk 739 3-9, 27-30 



Bacteria, milk, effect of low temperatmes 744 4-5 



Bagging, grapes, against curculio 730 16 



Baits, poison, control of sugar-cane borer, experiments 746 44-45 



Baking, tests of flour infected with nematode galls 734 1 2 



Barn, dairv, comparison with open shed for cows, bulletin bv T. E. 



Woodward, W. F. Turner, W. R. Hale, and J. B. McNulty.* 726 1-15 



Barns, cleanliness, relation to colon count in milk 739-j 20-26 



(a 12—13 



Bean, anthracnose, difference from cucurbit an thracnose 727< ' „„ „' 



Beans, rotation with sugar beets, Michigan and Ohio 748 8 



Bear grass — 



feed value in emergency* feeding 745 17, 19 



( 7-8,9, 



feeding to range stock, description and use 728< 10, ] 1, 13, 



1 14,15,17 



occurrence, confusion with other plants, etc 728 7-8 



Bedding — 



dairy cows, requirements in open sheds and closed barns 736 11-12 



goats on ranges, directions 749 13-16 



f 16,18, 



sheep, on ranges, effect on reproduction, suggestions 738< 25-27, 



[ 30-31 



Beet industry, Colorado, development and growth 726 2, 5-6 



Beetle — 



clerid, enemy of tobacco beetle, description 737 32-35 



death-watch* habits 737 7 



drug-store, food habits, and injury to tobacco 737 7, 29 



grape curculio, habits and activities 730 5-11, 13 



leather, inj ury to tobacco 737 29 



sugar-cane, injury similar to that of moth borer 746 5 



tobacco — 



pest of tobacco products, bulletin by G. A. Runner 737 1-77 



See also Tobacco beetle. 



Beetles, tobacco, species, notes 737 4-5, 7 



Beets — 



lifting, practices and cost in Montana 735 26 



rolling, Colorado, acreage, labor and costs 726 29-30 



sledding, labor and costs 726 35 



