INDEX. 9 



■p.. Bulletin 



Dips— No Page, 

 animal, chemical composition of lime-sulphur dips, 



bulletin by Robert M. Chapin 451 1-16 



lime-sulphur — 



composition, variations under different condi- 

 tions, experiments 451 2-15 



formulas 451 15-16 



Diseases, poultry, treatment, school lessons 464 16-17 



Diet- 

 place of fats 469 3-4 



relation of eggs 471 25-29 



Diets — 



corn and wheat breads, digestion experiments 470 19-22 



grain sorghum, experiments 470 4-5, 7-18, 22-28 



Disinfectants, soil, for control of damping-off of pine 



seedlings, experiments 453 6-18 



Distillers' grain, protein content and energy value 459 13 



Ditch, " berm," construction and value in road building 463 15 



Dog's-tail grass, crested, description 461 11 



Douglas, David, discovery of western white pine, and in- 

 troduction into England ■ 460 4, 6 



Douglas fir, produced per acre 475 4 



Drag, road, construction and operation 463 58-61 



Drainage — 



road, importance and construction 463 7-9 



sublrrigation as means, advantages and objections- 462 25-26 



Drought, effect on citrus industry 462 8 



Drying potatoes 468 12 



Duck— 



acron, note 465 35 



eggs, composition and comparison with other foods_ 471 6 



grass, description and value as duck food 465 14-1? 



potato. See Wapato. 



wild, propagation of foods, bulletin by W. L. McAtee 465 1-40 



Ducks — ■ 



food use, value and nature of flesh 467 5-6 



industry in United States, magnitude 467 2 



wild, food plants, descriptions, habitat, etc 465 2-40 



Durango cotton — 



handling and marketing in the Imperial Valley, bul- 

 letin by J. G. Martin and G. C. White 458 1-23 



t 8ee also Cotton. Durango. 



Durum wheat, seedlings, description 461 29, 30 



Dutchess grape, composition, samples from eastern 



States 452 9, 12 



Earth- 

 almond. See Chufa. 

 roads — ■ 



construction, costs 463 33-34 



construction, force, machinery, and cost 463 15-34 



dragging, cost per mile 463 62 



mileage in United States 463 1 



sand-clay roads and gravel roads, bulletin by 



Charles H. Moorefield 463 1-68 



shrinkage of earth in fills 463 6 



specification, typical 463 63-65 



Echinochloa crus-galli — 



description 461 21 



See also Wild millet. 



Eden grape, composition, samples from North Carolina 452 14 



Eelgrass, description 465 10 



Egg- 

 substitutes, nature and food use 471 25 



supply, housekeeper's, considerations 471 17-21 



