28 



DEPARTMENT OF AGRICULTURE BULS. 201-225. 



Bulletin. 



Roads — 



concrete, construction 



construction requirements for different types 



foundation, requirements and suggestions 



French, types and construction 



location and alignment, requirements and suggestions. . . 



paved, types, construction, etc 



Roman, construction 



Roadside treatment 



Rock cedar. See Mountain cedar. 

 Rocky Mountain — 



bee plant, occurrence on range lands 



region, cypress and juniper trees, bulletin by George B. 



Sudworth 



Roman roads, construction 



Ross, S. H., M. E. Pennington, and others, bulletin on "A 

 study of the preparation of frozen and dried eggs in the pro- 

 ducing section " 



Ruppia maritima, description, propagation, and value 



Russian thistle, occurrence on range lands, spread, objections, 



etc 



Rye grass — 



awned, habitat, value, and analysis 



description, value, and analysis, of various species 



giant, analysis 



habitat, growth habits, and value 



Rye grasses, descriptions, habitats, and analyses of various 



species 



Rye, wild, habitat, value, and analysis 



Sacahuiste, habitat, value, uses, and analysis 



Sacaton — 



description, habitat, and importance 



value and analysis 



Salt grass — ■ 



analysis 



description and value 



gum secretions, note 



Salt grasses, descriptions and value of various native species. 



Saltbush, Australian, note 



Sand grass, big — 



analysis . 



nature and value 



nature, habitat, and value 



Sand grasses, descriptions and value of various native species. 



Sand storm, effect on weight of fleeces, instance 



Sand-clay road, construction, principles 



Sanitation — 



egg breaking plant 



egg handling, effect on product - 



Schedius kuvanae, gipsy-moth parasite, description 



Schedidius kuvanae, colonies liberated, spread, work, etc 



School farms — 



advantages for teaching agriculture 



crops grown 



difficulties in operation 



home projects, number, and per cent of schools in various 

 sections 



management, difficulties 



work of students 



220 

 220 

 220 

 220 

 220 

 220 

 220 

 220 



211 



207 



220 



224 

 205 



211 



201' 

 201 

 201 

 201 



201 

 201 



201 



201 



201 



201 

 201 

 201 



201 



201 



201 

 201 

 201 



201 



206 

 220 



224 

 224 

 204 

 204 



213 

 213 

 213 



213 



213 

 213 



17-18 



2-20 



7-10 



3-5 



7 



18-20 



2-3 



21-22 



23 



1-36 

 2-3 



1-99 

 16-19 



24 



22 



22-23 



22 



22 



22-24 

 23-24 



43 



48 

 48 



21 



20-21 



20 



20, 30, 41, 



42, 43-44 



3 



18 



24 



18 



24, 31, 36, 



45, 46, 47 



4 



12 



5-6 



42,43 



5-6 



3,5 

 2,4 

 3-4 



6 

 4 

 5 



