INDEX. 



Bulletin 



Accounts, ledger, for creameries, classification, bulletin by No - Page. 



George O. Knapp, Burton B. Mason, and A. V. Swarthout— 865 HO 



Acids, tomato, investigations and determinations 859 j +1 ^g 



Aix sponsa. See Duck, wood. 



Alfalfa bay, shrinkage, studies, Kansas experiment station 873 2-3 



f 5 l 9 20 



Algae, food of shoal- water ducks ^ 2 125 34 49' 



Allen, Kenneth, discussion of flow of water in concrete pipe_ 852 92 



Allerman, Dudley, bulletin on " Marketing eastern grapes " 861 1-61 



Anatinae. See Ducks, shoal-water. 



f 23—24 



Ants, destruction by starlings 868 < .* go 



Appalachian Mountain Region, beef production, studies in West 



Virginia 870 3-20 



Apple orchards, in western New York, size, age of trees, 



varieties, and yields 851 9-12 



Apples — ■ 



cull, utilization, western New York, and prices 851 34-37 



grading, use of sizing machine, note 864 1 



f 4, 18, 21, 



growing, labor cost, western New York 851 1 27, 30. 



t 40-41 



handling, picking, sorting, packing, and hauling, costs 851 29-39 



injury by starlings 868 29-39 



prices received by growers in western New York 851 46-47 



production, cost in western New York, bulletin by G. H. 



Miller 851 1-47 



spraying with Pickering sprays and Bordeaux mixture, 



comparison of results 866 29-37 



yield per acre, relation to cost per barrel 851 43-45 



Aqueducts, concrete pipe, water flow in, bulletin by Fred C. 



Scobey 852 1-100 



Arizona, hay, shrinkage in stack, experiment 873 5 



Arkansas, grape shipments, 1916-1919, and destinations 861 j 55_6i 



Arlington farm, studies of tile drainage, exceptional plant 854 5-8 



Arsenate, calcium — 



use in control of boll weevil 875 3-29 



use in control of cotton insects 875 29 



Arum seeds, food of shoal-water ducks 862 43, 51 



Atlantic States, grapes, production and marketing 861 48-49 



Austria, Perlmoos Cement Works, water-conduit system, ex- 

 amination and results 852 24,79 



Back, E. A., bulletin on " Insect control in flour mills " 872 1-40 



Bain, J. B., and R. J. Posson, bulletin on " Requirements and 



cost of producing market milk in northwestern Indiana " 858 1-31 



Baldpate— 



breeding range 862 10 



description and food habits 862 j ^qJqj 



Baltimore, market preferences in grapes 861 51 



Barghatjsen, J. F., and Manley Stockton, bulletin on "A 



peach-sizing machine " 864 1-6- 



91395—22 2 I 



