INDEX. 517 



Page. 



EoBin, studies, Chemistry Bureau 215 



Rot, black, leaf tobacco, control 1 56 



Rotations, various crops, farm practice studies 493 



Rots, small fruits, prevention 153-154 



Roundworms— 



hog, investigations and control 125 



sheep, control 123 



Rural, Engineering Office. See Roads Bureau. 



Rural organizations, investigations 456, 472 



Rust — 



black stem^ wheat, relation to barberry plants 153 



blister, white pine, situation in various States 154-155 



Saltbushes, composition, studies 218 



Samples, food and drug, work of field stations, report, 1918 203-204 



Sanitation, rural, importance and needs 53-54 



Sardines, preservation, studies by Chemistry Bureau 209 



Sawfly, injury to wheat, investigations 239-240 



Scabies, sheep and cattle, eradication 107 



Scald, apple, control 154 



Scale, fiuted, control work 246-247 



Scarabee, sweet potato, cause of quarantine 444 



Sea foods, conservation, work of Chemistry Bureau 208-209 



Secretary, Agriculture, report, 1918 3-54 



Seed- 

 corn, selection and testing 361 



grain, loans to farmers, conditions, number, and amount 32-35 



market news service 478 



marketing, investigations 466 



oils, investigations 221 



stocks, committee, emergency work, 1918 142-143 



Seedlings, cotton, tomosis, cause 159-160 



Seeds — 



distribution, 1918 164 



market news service, work, 1918 23 



piux;hase and sale to farmers, emergency work 142-143 



quality, investigations 141-142 



Seismological investigations, instrumental reports and others 67-68 



Septoria, leaf-spot, tomato, control studies 157 



Serum — 



antianthrax, preparatioil and use 116 



antihog cholera — 



preparation methods, investigations 118-119 



use at public stockyards 17, 74 



Sewellel — 



injuries to crops, investigations 262 



See also Beaver, mountain. 

 Sheep — 



breeding and handling, parasites, etc 82, 123 



fattening on farms, investigations 494 



grazing in National Forests, numbers, conditions, etc 184, 185, 186, 187 



numbers, increase since 1914 6, 8 



production on reclamation projects 150 



scabies, eradication 107 



spewing sickness, cause 118 



Shipments — 



meat, under exemption _ 101-102 



perishables, loading methods, improvement 464 



Silage investigations, fermentation, ripeness of crops, etc 95 



Sirups, research work by Chemistry Bureau 219 



Sisal, growing and cleaning for use as fiber 161 



Sneezeweed, western, cause of spewing sickness of sheep 118 



Snow measurements, work of Weather Bureau, 1918 65 



Soda nitrate — 



purchase and distribution 452, 482 



piu"chase and distribution by Department 38-39 



purchase by Government, assistance of Solicitor 420 



