1920] 



INDEX OF SUBJECTS. 



989 



Shoep — Continupd. 



Jiidglnfr, tieatiso, 697. 



Karakul, brocdinK In Canada, 69. 



lungworms in, Okla., 79. 



muscle parasite of, Wyo., 786. 



pasturing' exporliucnts, U.S.D.A., 465. 



pia straw for, Wasb., 772. 



pol.'ioninK by arrow grass, Nov., 77. 



poisoning by Astragalus tetrapterus, 

 U.S.D.A., 78. 



poisoning by lupine, Wyo., 783. 



poisoning by whorled milkweed, U.S. 

 D.A., 470. 



poisoning by woody aster. Wye, 782. 



{8ce also Forage poisoning. Plants, 

 poisonous, and specific plants.) 



pox, immunization, 685. 



raising, decline in England, 571. 



raising, in China, 171. 



raising, in India, 269. 



scab, control, 272. 



scab, eradication, U.S.D.A., 471. 



stomach worms in, 278, 384. 



stomach worms, treatment, Okla., 79. 



sweet clover seed screenings for, U.S. 

 D.A., 464. 



tick, life history notes, 883. 



transformation of alveolar epithelium, 

 384. 



weight loss during transportation, 672. 



{See also Ewes and Lambs.) 

 Sheepskins, handling, need for improved 



methods, 70. 

 Sherpherd's purse, crossing experiments, 



434. 

 Shingles, production in 1918, U.S.D.A., 150. 

 Shore water, as affected by off-shore winds, 



U.S.D.A., 719. 

 Shorea robusta. (S'eeSal.) 

 Shorts, analyses, Ind., 867 ; Ky., 373. 

 Shrimp meal, analyses, 868. 

 Shrubs — 



culture, Nebr., 644. 



for Nebraska, list, 240. 



new, near Washington, D. C, 222. 



ornamental, culture experiments, U.S. 

 D.A., 339. 



ornamental, for Iowa, 742. 



ornamental, in South Africa, 441. 



ornamental, tests, U.S.D.A., 339. 



ornamental, winter injury, 753. 

 Sidewalks, concrete construction, 90. 

 Silage- 

 bacteriology of. Pa., 569. 



com, for horses, Ariz., 775, 



corn, for steers, Ind., 375. 



corn, from shock and ear, Mo., 770. 



corn, preservation, studies. Pa., 569. 



corn, starch content as affected by fcr- 

 menation, 501. 



crops, machinery for cultivating, 289. 



crops, yields, Ariz., 733. 



from corn and sunflowers, comparison, 

 Nobr., 677. 



from wheat, barley, and oats, 527. 



from wild sunflowers, 677. 



62212°— 21 8 



Silage — Continued. 



Sudan grass, composition, Okla., 68. 



sunflower, as poultry feed, Minn., 674. 



sunflower, comparison with com silage, 

 Nebr., 677. 



sunflower, composition, Mont., 69. 



sunflower, composition and digestibility, 

 Mont., 770. 



sunflower, feeding experiments, Mich., 

 677. 



sunflower, feeding value, Mont., 68. 

 Silica, relative solubility on acid and alka- 

 line soils, Mich., 125. 

 Silicic acid determination, 202. 

 Silk cotton wood, durability tests, 44. 

 Silk substitutes in Germany, 204. 

 Silkworms. (See Sericulture.) 

 Silos- 

 concrete, constraction, 90. 



construction, 485. 



pit, use in dairying, Kans., 576. 



types, Mich., 691. 



types as affecting quality of silage. Pa., 

 569. 

 Silvanus stirinamensls on dried fruit, 25."). 

 Silver leaf disease, 346. 

 Shnodactylus cinna/momeus on sugar cane, 



52. 

 Simulidae, investigations, 51. 

 Sires — 



pure-bred, for live stock improvement, 

 U.S.D.A., 404. 



ratio to dams, U.S.D.A., 770. 

 Sirup — 



from apples, recipe, 808. 



from sugar beets, recipe, 808. 



manufacture from sorghum. Wis., 335. 

 Sisal — 



analyses, 829. 



culture and uses, S26. 

 Skim milk — 



fat content, determining, N.T.Cornell, 

 415. 



for dairy calves, U.S.D.A., 469. 



role In nutrition of chicks, Ky., 72. 



sour, for chicks, N.C., 468. 

 Skins — 



disinfection, 180. 



preparation of, U.S.D.A., 449. 



rabbit, preparing, U.S.D.A., .'i78. 

 Skunks, exhibition standards, 575. 

 Sky- 

 blue color of, 618. 



radiation, observations, U.S.D.A.. 117. 

 Slag. (See Phosphatlc slag.) 

 Sleet— 



and glaze, formation, U.S.D.A., 119. 



and snow, effect on New York City 

 traffic, U.S.D.A., 120. 

 Sludge- 

 by-products, 520. 



fertilizing value, 189, 221. 



{See also Sewage.) 

 Small holdings in Scotland, economics, 584. 



{See also Land settlement.) 



