26 DEPARTMENT OF AGRICULTURE BTJLS. 451-475. 



Bulletin 

 Sand-clay — No. Page. 



road, specifications, typical 463 65-66 



roads— . 



construction, materials, and cost 463 34-45 



earth roads and gravel roads, bulletin by 



Charles H. Moorefield ._ 463 1-68 



mileage in United States 463 1 



Sap, maple, composition, comparison with sugar sirup__ 466 38 



Scaups, food plants, habitat and propagation 465 4, 9, 17, 35, 37 



Schools, rural, lessons on poultry, bulletin by F. E. 



Heald 464 1-34 



Schraidt grape, composition, samples from Central and 



Eastern States 452 6 



Scoter, food plants, habitat and propagation 465 10, 17, 35 



Scrub pine. See Jack pine ; Lodgepole pine ; White- 

 bark pine. 

 Scuppernong grape, composition, samples from North 



Carolina 1__ 452 14 



Secale cereale, description of seedling 461 29, 30 



Seed- 

 beds, pine seedlings, requirements to prevent damp- 



ing-off 453 3-18 



cotton, care, suggestions 458 4-5 



forest trees — 



amount per acre from different species 475 4 



collection, treatment and care 475 3-18 



cost 475 17 



pine — 



use as food 460 3,17,20,23 



yield from cones of different species 475 17 



Seedlings- 

 coniferous, control of dainping-off. bulletin by Carl 



Hartley and Roy G. Pierce 453 1-32 



grass — 



analytical key, directions for use 461 4-9 



descriptions of forty-eight 461 9-26 



small-grain, identification and detailed description- 461 26-30 

 Seeds- 

 oil, protein content and energy value 459 12 



protein content and energy value of kinds used 



for feed 459 12 



Seibel grape, composition, samples from Central and 



Eastern States 452 6 



Sesame, oil, nature and food use 469 14 



Shade tree, mahogany, value, note 474 5 



Sheep, feed requirements for maintenance, growth, and 



fattening 459 15-16 



Sheep's fescu, description 461 11 



Sherwood, S. F., and others — ■ 



bulletin on " Maple sugar, composition, methods of 



analysis, effect of environment" 466 1-46 



bulletin on " The chemical composition of American 



grapes grown in the Central and Eastern States "_ 452 1-20 



Shipping, butter, containers, transportation facilities, 



etc 456 13-15 



Shore pine. See Lodgepole pine. 



Shoveller, food plants, habitat and propagation 465 17, 35, 37 



Silage, protein content and energy value of different 



kinds 459 12 



Silver pine. Sec Western white pine. 

 Single-leaf pine — 



description, occurrence and characteristics 460 21-23 



discovery, introduction into cultivation, etc 460 21 



Sirup, maple — 



definition 466 1,2 



production, by States 473 13-14 



sap, composition comparison with sugar sirup 466 3S-39 



