14 



DEPARTMENT OF AGRICULTURE BULS. 226-250. 



Roads — 

 brick — 



alternate specifications 



construction, directions 



typical specifications 



brick-paved, advantages and objections 



concrete — ■ 



cost and maintenance 



materials and, construction 



materials, requirements and selection 



country- 

 Portland cement concrete as pavements for, bulletin 

 by Charles H. Moorefield and James T. Voshell... 

 vitrified brick pavements, bulletin by Vernon M. 



Peirce and Cnarles H. Moorefield 



surfacing for concrete pavement, materials 



Roadways, oil-mixed concrete base, value 



Rocky Mountains, lodgepole pine, utilization and manage- 

 ment, bulletin by D. T. Mason 



Roof slabs, use of oil-mixed cement, note 



Rosemary pine. See Shortleaf pine. 

 Rosin — 



commercial utilization 



distillation products, nature and uses 



exports — 



by States, 1860-1900 



1860-1913 



with imports, various countries, 1901-1910 



spirit, nature, and uses, note 



See also Naval stores. 



Rubber, industry, use of turpentine, note , 



Russia, sugar beets, acreage and production 



Sand, quartz, granulometric analysis 



"Sap gum" lumber, use of term 



Sapwood antiseptic, formula, toxicity to fungi, tests 



Sawmills — 



number and output 



output, by classes and by kinds of wood 



Scales, F. M., F. C. Cook, and R. H. Hutchison, bulletin 

 on "Further experiments in the destruction of fly larvae 

 in horse manure " 



Schleussner, O. W., Wells A. Sherman, and Houston F. 

 Walker, bulletin on "Strawberry supply and distribu- 

 tion in 1914" 



Schorger, A. W., and H. S. Betts, bulletin on "The naval 

 stores industry " 



"Scrape," turpentining, use of term, amount formed by dif- 

 ferent systems, etc 



Sequoia — 



sempervirens , range and lumber output 



vjashingtoniana, note 



Shade trees, menace by gipsy moth in Massachusetts, sugges- 

 tions 



Shagbark hickory, note 



Shales, nature, and use for paving brick 



Shantz, H. L., and Lyman J. Briggs, bulletin on "Effect 

 of frequent cutting on the water requirements of alfalfa 

 and its bearing on pasturage " 



Shaw, Harry B., bulletin on "Sugar beets: Preventable 

 losses in culture " 



Shellbark hickory, note 



Sherman, Wells A., Houston F. Walker, and O. W. 

 Schleussner, bulletin on "Strawberry supply and distri- 

 bution in 1914 " 



Bulletin 





No. 



Page. 



246 



29-31 



246 



8-19 



246 



22-29 



246 



1-2 



249 



26-29 



249 



3-18 



249 



3-7 



249 



245 



1-34 



246 

 249 

 230 



1-38 

 3-7 



15 



234 

 230 



1-54 

 14 



229 

 229 



9 

 10 



229 

 229 

 229 

 229 



7-8 



7 



5-6 



10 



229 

 238 



8 

 2 



249 

 232 

 227 



7 

 16 

 20 



232 

 232 



6-8 

 6-7 



1-22 



237 









1-10 



229 









1-58 



229 



17- 



-18, 



23- 



-24, 35 



232 

 232 









17 

 17 



250 

 232 

 246 









36 



23 



2-3 



228 



238 

 232 



237 



1-6 



1-21 

 23 



1-10 



