22 



DEPARTMENT OF AGRICULTTJEE BULLETINS 101-125. 



Roads — Continued, 

 experimental — 



Chevy Chase, Md., summary of 1912 project.. . 



Miami, Fla., methods, materials and cost 



experiments, supplementary reports 



oil-asphalt-earth, results of experiments of 190S. . . 



preservation, reports of experiments, 1913 



protection of fresh concrete 



surface treatment, experiments, 1913 



treatment with tars and oils, result of experiments 



of 1912 



vi trifled brick, building, cost, etc., experiments, 



1913 



Robin, western, value as alfalfa-weevil destroyer 



Robinson, W. 0., bulletin on, " The inorganic composi- 

 tion of some important American soils." 



Rocky Mountain toad, enemy of alfalfa weevil, habits, 



importance, etc 



Root knot, injury to adsuki, rice, and mung beans 



Roots — 



succulent, uses and preparation 



use and cooking 



Rosy apple aphis, resemblance to oat aphis, points of 



difference 



Rough-winged swallow, occurrence in Alfalfa-weevil 



districts, food habits, importance 



Rozell, A. B., letter regarding Oregon pea or mung 



bean 



Rubidium, occurrence in soils — 



distribution 



remarks 



RufEn, Oregon pea, notes 



Run-off, Black and Boggy Swamps drainage district, 

 South Carolina 



Sacramento Valley Irrigation Co., Cal., check gates, 



description, etc 



Sage thrasher, occurrence in alfalfa-weevil districts, 



food habits, importance 



Sagebrush, use in erosion control in irrigation canals, 



method, etc 



Sago, preparation and use 



Salad dressing, varieties and preparation 



Salad, onion and apple 



"Salad," use of term 



Salad plants — 



serving, care, suggestions, etc 



studies, lessons for movable schools 



washing, caution 



Salads — 



notes -' 



preparation, place in the diet, etc 



Salicylic aldehyde — 



effect on plants 



effect on soil, summary 



Salsify, use and preparation 



Salt, use in feeding cattle, note 



Salting, use in keeping foods 



Salts, nutrient, absorption by salicylic aldehyde from 



culture solutions - - - - 



Sand gates, irrigation canals, types, description, loca- 

 tion, cost, etc 



Sand-clay roads, results of experiments of 1908 



Bulletin. 



Page. 



105 

 105 

 105 

 105 

 105 

 105 

 105 



105 



105 

 107 



122 



107 

 119 



123 



123 



112 



107 



119 



122 

 122 

 119 



114 



115 



107 



14-17 



25-29 



29^6 



45 



1-46 



5 



17-24 



29-42, 43-44. 45 



6-10 

 43-45 



1-27 



58-60 

 6, 13, 21 



30-31 

 24-30 



4 



40-41 



19-20 



4, 7-8, 27 



4,27 



20 



S-9 



47-48- 



42 



115 

 123 

 123 

 123 



123 



11 

 28 

 14 

 23 

 9-10 



123 

 123 

 123 



10-13 



9-14 



11-12 



123 

 123 



58 

 9-13 



108 

 108 

 123 

 110 

 123 



3-5 



26 



33 



5 



60-61 



10S 



10-11 



115 

 105 



54-59 



44-45 



