50 BUL. 1199 (SUP. 2)5 U. S. DEPARTMENT OF AGRICULTURE 
Seed — 
bluegrass, marketing, Ky. Bui. 247. 
clover, Mich. Spec. Bui. 130. 
corn, Nebr. Bui. 188. 
fruit, storage and germination, N. Y. 
State Bui. 509. 
inspection and testing, Ind. Bui. 276, 
285 ; Mont. Bui. 167 ; N. H. Bui. 
211, 215; N. J. Bui. 377, 397; N. Y. 
State Bui. 504 ; Vt. Bui. 233, 241. 
potato, Conn. Storrs Bui. 114 ; Md. 
Bui. 251; Nebr. Res. Bui. 24; S. C. 
Bui. 218. 
vegetable, quality, N. Y. State Bui. 
507. 
weight, effect on plant growth, N. J. 
Bui. 404. 
Self-feeder for swine, Ark. Bui. 191 ; Tex. 
Bui. 305. 
Septic tank, Mich. Spec. Bui. 119. 
Svptoria apii, N. Y. Cornell Bui. 429. 
Sewage disposal — 
biology, N. J. Bui. 390, 394, 403. 
tile system, Mich. Spec. Bui. 119. 
Sewage sludge, dewatering, N. J. Bui. 390. 
Sewage substation, New Jersey, report 
1923, 1924, N. J. Bui. 390, 403. 
Sex, distinguishing in cbicks, Conn. Storrs 
Bui. 113. 
Sheep — 
conformation, N. H. Tech. Bui. 25. 
cross breeding, Ohio Bui. 367. 
feeding, Ind. Bui. 273, 282; Mont. 
Bui. 164; Okla. Bui. 146. 
growth curves, Mo. Res. Bui. 62. 
management, Va. Bui. 238. 
range, fleece weights, Tex. Bui. 311. 
(See also Ewes, Lambs.) 
Silage — 
field vs. silage corn for, Ohio Bui. 
369. 
for milk production, Conn. Storrs Bui. 
121 ; Pa. Bui. 178 ; Utah Bui. 190. 
loss in silo, Mo. Res. Bui. 65 ; Ohio 
Bui. 370. 
production and feeding, Mo. Bui. 226. 
sunflower — 
acidity, Mont. Bui. 163. 
feeding value, 111. Bui. 253. 
for steers, Miss. Bui. 222. 
Silo- 
construction, Mo. Bui. 214. 
pit, Colo. Bui. 288. 
Sires — 
dairy, purebred, influence on produc- 
tion, S. Dak. Bui. 206. 
Holstein-Friesian, comparison, Mo. Bui. 
217. 
Jersey, comparison, Mo. Bui. 206. 
Sirups, cornstalk, Minn. Bui. 207. 
Sitostanol. (See Dihydrositosterol.) 
Sitosterol, preparation and reduction, N. Y. 
State Tech. Bui. 108. 
Skeletonizer, apple and thorn, Conn. State 
Bui. 246. 
Sludge, sewage, dewatering, N. J. Bui. 390. 
Smut disease of onions, Mass. Bui. 221. 
Smut, stinking, of wheat, Calif. Bui. 364. 
Snakeroot, wbite, poisoning, Ind. Bui. 270. 
Snapdragon rust, N. H. Tech. Bui. 22. 
Social areas, Otsego Co., N. Y., N. Y. 
Cornell Bui. 422. 
Social study of Ravalli Co., Mont., Mont. 
Bui. 160. 
Social survey — 
Cedar Co., Iowa, Iowa Bui. 217. 
consolidated school districts, Iowa, 
Iowa Bui. 224. 
(See also Farm surveys.) 
Sodium, effect on orange trees, Calif. Tech. 
Paper 11. 
Sodium arsenite, in grasshopper baits, Colo. 
Bui. 280. 
Sodium carbonate, in soil, Calif. Tech. Pa- 
per 1, 3. 
Sodium chlorid, effect on orange trees, 
Calif. Tech. Paper 4. 
Soft scald in apples, Iowa Bui. 222. 
Soil- 
bacteria, spore forming, N. Y. State 
Tech. Bui. 97. 
bases, replaceable, Calif. Tech. Paper 
15. 
composition, effect of precipitation, 
Wash. Bui. 176. 
condition, San Luis Valley, Colo. Bui. 
286. 
effect on alfalfa, N. J. Bui. 408. 
erosion, Mo. Bui. 211, Res. Bui. 63. 
experiments — 
Clarksville gravelly loam, Mo. Bui. 
202. 
Union silt loam, Mo. Bui. 203. 
fertility — 
maintenance, Ohio Bui. 381. 
of Washington soils, Wash. Bui. 
189. 
sulfur in relation to, Oreg. Bui. 
199. 
management — 
effect on crop yields, Iowa Bui. 
221. 
Iowa system, Iowa Bui. 213. 
moisture — 
control for vegetables, Mo. Bui. 
204. 
equivalent, Calif. Tech. Paper 16. 
in walnut grove, Calif. Tech. Pa- 
per 10. 
molds, growth relations, Iowa Res. Bui. 
76. 
potassium, effect of fertilizers and 
cropping, Ohio Bui. 379. 
potting, fumigation for Japanese bee- 
tle, N. J. Bui. 380. 
profiles, Mich. Tech. Bui. 62. 
solutes, effect, Calif. Tech. Paper 13. 
Soil surveys — 
Arkansas, Ark. Bui. 187. 
Illinois — 
Grundy Co., 111. Soil Rpt. 26. 
Hancock Co., 111. Soil Rpt. 27. 
Livingston Co., HI. Soil Rpt. 25. 
Mason Co., 111. Soil Rpt. 28. 
