INDEX. 25 



Roads— Bulletin 



earth* — No. Page, 



sand-clay and gravel, bulletin by Charles H. 



Moorefield 463 1-68 



See also Earth roads, 

 gravel. See also Gravel roads. 



maintenance, requirements and cost 463 58-62 



public, mileage in United States and per cent of 



earth, sand-clay, and gravel types 463 1 



sand-clay. See Sand-clay roads. 



type and grade, relation to haul 463 12-13 



Roadways, area and surfacing per mile of given width_ 463 4 



Rocky Mountain Region, pine trees, bulletin by George 



B. Sudworth 460 1-47 



Rodents — 



control measures in destruction of new forest 



plantations 475 49-53 



poisoning in reforested areas 475 50-53 



Roe, fish, use as food 471 2 



Roots — 



protein content and energy value of kinds used 



for feed . 459 12 



starchy, food use, potatoes and sweet potatoes, bulle- 

 tin by C. F. Langworthy 468 1.-28 



tropical starch-bearing, nature and food uses 468 22-28 



Rothrock, John T., discovery of Arizona pine, note 460 26 



Rotundifolia grapes, composition, samples from North 



Carolina 452 14 



Roughage — 



dried, protein content and energy value of different 



kinds 459 11 



green, protein content and energy value of different 



kinds 459 11-12 



Roumania, sugar industry, history and extent 473 58-60 



Round potato. See Potato. 

 Russia — ■ 



molasses production ; 473 44-45 



sugar industry, history arid extent 473 43-46 



Rutabaga, protein content and energy value 459 12 



Rye- 

 bran, protein content and energy value 459 13 



grasses, descriptions 461 14-16 



protein content and energy value 459 12 



seedlings, description 461 29, 30 



straw and fodder, protein content and energy value- 459 11 



test weight per bushel under different conditions 472 5-8 



wild, description of species 461 15-16 



Rye-grass, perennial, description and occurrence 461 9 



Sagittaria, — 



arifolia. See Wapato. 



latifolia. See Wapato. 



platyphylla. See Delta potato. 



spp., description and value as duck food 465 11, 21-27 



Sago pondweed, description, distribution, and propaga- 

 tion — 465 17-20 



Salem grape, composition, samples from Eastern States- 452 10, 13 



Sampling, cotton, methods , 458 11-12 



San Francisco — 



market for butter grades established 456 19-20 



quotations for butter, establishment, publication, 



and use by trade 456 25 



Sand- 

 pine. See Lodgepole pine. 



road building, bearing power, value, and objections- 463 16, 17-18 



selection for surfacing sand-clay roads 463 40 



