670 INDEX. 



Fa go. 



Rot, stem-end, on citrus, control 180 



Round worms — 



hog, control 154-155 



sheep, control 154 



Rubber, investigations 192 



Rubber-bark tree, Chinese, characteristics 192 



Rural life, studies 556 



Rust, blister — 



quarantine enforcement '. 191 



white pine, control work 190-192, 611-612, 625-626 



Rye, statistics, acreage, exports, and production, 1910-1922 53, 54, 56 



Salary, standard increase for scientific workers 25 



Salmon, canning, investigations 278 



Salts, irrigation water, effect on soils 186 



San Joaquin project, forest insects, control 322 



San Jose scale, on apples, control work 302 



Sarcobatus verviicnlatus, poisonious character, study 149 



Sausages, water-content studies 131 



Sawdust, hydrolyzed, use as cattle food 242 



Scab- 

 apple — 



control 181 



relation to weather conditions 77 



citrus, control experiments 431 



sheep, control 156 



Soabies, eradication, progress 131-132 



Scale — 



camphor, investigation and control 313 



date, eradication progress 610-611, 625 



purple, control by fungous disease 311 



San Jose, control on apples 302 



Scallops — 



food of wild fowl 347, 348 



inspection 286 



Schools, agricultural instruction, investigations _ 417-420 



ScHROEDER, E. C, Superintendent of Bethesda Experiment Station 159 



Screw worms, investigations 320 



Sea foods, inspection 286 



Seaplanes, journey, aid of Weather Bureau forecasts 73 



Searles Lake, potash, borax content 297 



Secretary, Agriculture, report, 1922 1-64 



Seed- 

 cotton, imports, 1921-1922 617 



distribution work, 1922 192-193 



grain, loans, 1922 41 



Importation Act, enforcement 194 



potato, improvement of stock 184 



testing, work of laboratories 193 



Seeds — 



forage-plants, importations 194 



inspection at ports of entry 622-624 



marketing work, 1922 . 519-520 



new and rare, distribution 193 



quarantine restrictions 613-614, 625-628 



tomato, feed value, studies 255 



Seismology, investigations 94 



Serum — 



anti-hog cholera — 



chemical studies 150 



production and supervision _ 158 



treatment for hog cholera, demonstrations 144 



Shade cloth, tobacco, improvement 267 



Sheep — 



breeding experiments 108, 109 



crossbred types, value for range conditions 109 



grazing on forest ranges, 1921 221 



