6 DEPARTMENT OF AGRICTJI/TUKE BULS. S51-875. 



Bulletin 



No. Tage. 



Doyle rule, log scaling S63 37 



Drain tile — 



flow of water in, bulletin by D. L. Yarnell and Sherman 



M. Woodward * 854 1-50 



water flow, tests, methods of conducting 854 15-49 



Drainage — 



factor in increase of land values in Iowa 874 7 



tile, studies, experimental plant, description 854 5-8 



Drying, currant grapes, practices in different countries 856 15-16 



Dry-rot. See Rot, dry. 



Duck, wood — 



adaptability to duck farming, note 862 2 



breeding range 862 37 



description and food habits 862 {4^7 



Ducks — 



plash. See Ducks, shoal-water, 

 river. See Ducks, shoal-water, 

 shoal-water — 



animal foods 862 56-67 



food habits of seven American species, bulletin by 



Douglas C. Mabbott 862 1-68 



( 3,11,15, 

 stomach contents, food determinations 862 \ 18, 23, 28, 



I 01 go 



vegetable foods 862 49-56 



wild, of United States, classification 862 1-2 



f 6,13,20, 



Duckweeds, food of shoal-water ducks 8624 26, 34, 38, 



I 51 

 Dusting — 

 cotton— 



for boll weevil, directions, amount, time, schedule, etc_ S75 10-16 



with calcium arsenate, requirements, season, etc 875 S-16 



machinery — 



for cotton, manufacture and availability 875 4 



for cotton, types, and directions for use 875 18-26 



Dyes, preparation, use of castor oil 867 38 



Education, forestry lessons on home woodlands, bulletin by 



Wilbur R. Mattoon and Alvin Dille 863 1-^6 



Elevator companies — 



cooperative form, features and advantages 860 4-5 



cooperative, organization, procedure, considerations, etc S60 5—40 



forms of organizations, advantages of each 860 2-5 



joint-stock, advantages and objections 860 2-3 



private corporations, features 860 3-4 



Elevators, grain, cooperative companies, organization, bulle- 



letin by J. M. Mehl and O. B. Jesness 860 1-10 



Erosion, soil, relation to forests, lesson for rural schools 863 12-13 



European grapes, production and varieties in California 861 1 



Experiment stations, studies of hay shrinkage, data S73 4-8 



Farm — 



business — 



analysis for Pennsylvania 853 4-32 



terms 853 3-4 



expenses, distribution and summaries, for Pennsylvania 



f 8,10,11, 



farms 853 { 16-17, 18, 



I 19 



fruit, management of apple orchards, western New York__ 851 7-46 

 Incomes, Pennsylvania farms, studies, sources, and varia- 



f 8,10,11, 



tions 853 14, 17-22, 



I 30 



