6 DEPAKTMENT OF AGKICULTUEE BULS. 501-525. 



Drainage-Continued. B^jl^ti^ 



snale lands— continued. No. Page. 



methods, studies 502 11-38 



system for shale lands, construction and cost 502 20-23 



Drains, shale-land, location, and depth 502 13-15 



Drying — 



lumber, theory, and its application to the new humidity- 

 resulated and recirculating dry kiln, bulletin by Harry D, 



Tiemann .' 509 1-28 



principles, evaporation, circulation, and humidity 509 3-5 



'Dry-rot fungus," description and occuiTence 510 34 



Earth almond, nature and food use, note 503 15 



Education. See Schools. 



Egg3, transmission of white diarrhea 517 2 



Egg-volk fat, digestion experiments 507 13-16 



Elm- 

 lumber production, 1899-1914, and estinmtes, 1915 506 13-15, 27 



spp., distillation, fields of alcohol, lime acetate, etc 508 3-7 



Erosion — 



farmlands, prevention by terracing, bulletin by C. E. Ramser. . 512 1-40 

 soil — 



as cause of abandoned farms 512 1-2, 38 



control methods, school studies 521 16-17 



prevention methods 512 3-5 



various forms 512 2-3 



Eucalyptus, distillation, yields of alcohol, lime acetate, etc 508 3-7 



Evaporation, theory, discussion 509 13-18 



Experiment (Stations, New England, studies of cost of producing milk. 501 19-20 



Exports, ash lumber 523 37-38 



Farm — 



dairy. See Dairy farm. 



lands, erosion, prevention by terracing, bulletin by C. E. Ram- 

 ser 512 1-40 



Farming, cotton cultivation, practice, bulletin by H. R. Gates 511 1-62 



Farms — 



dairy, study of cost of milk production, Wisconsin, Michigan, 

 Pennsylvania, and North Carolina, bulletin by Morton O. 



Cooper, C. M. Bennett, and L. M. Church 501 1-35 



See also Dairy farms, 

 fattening babv beef, correlation theory as applied to data, bulle- 

 tin by H. R. Toll ey 504 1-15 



Fat- 

 butter production per cow, studies dn four dairy farms 501 17 



See also Butter fat. 



poultry, digestibility, studies 507 4-8 



Fats- 

 animal — 



digestion experiments 507 4-18 



studies on digestibility, bulletin by C. F. Langworthy and 



A. D. Holmes 507 1-20 



v^etable, digestibility, bulletin by C. F, Langworthy and A. D. 



Holmes 505 1-20 



Fattening baby beef, farm-survey data, application of theory of cor- 

 relation, bulletin by H. R. ToUey 504 1-15 



Feed, dairy cow — 



requirements and cost, studies on four dairy farms 501 5-10 



supply, discussion 501 21-24 



Feeding, dairy cow, methods, requirements and cost, studies at four 



dairy farms 501 6-10 



Fertilizers — 



home mixing, school studies 521 18-19 



studies for schools 521 17-21 



See also Manure. 

 Fir lumber — r 13_15 



Douglaa, production, 1899-1914, and estimates, 1915 506| 16-17 



production, 1899-1914, and estimates, 1915 506 13-15, 30 



