986 



EXPERIMENT STATIOIST BECOED. 



[Vol. 38 



Shot-hole borer — Continued. Page. 



red-shouldered, notes 762 



red-shouldered, on pecan, U.S. 



D.A 157 



Shrubs — 



breeding and culture experi- 

 ments, Can 641 



for ornamental plantings, U.S. 



D.A 45 



new, of Philippines 247 



of Wyoming, U.S.D.A 255 



varieties. Can 641 



varieties, U.S.D.A 142 



Signiphnra merceti n.sp., descrip- 

 tion 460 



Silage- 

 analyses, Cal 175 



analyses, Ind 376 



bacteriological studies 379 



crops for dairy cows, Cal 174 



croprf for western Washington, 



Wash 637 



crops, tests, Kans 630 



crops, tests. Mo 636 



crops, yields in Australia 133 



effect on melting point of milk 



fat, Mo 682 



fermentation 772 



fermentation, Iowa 111 



fermentation, U.S.D.A 802 



for horses. Mo 676 



from corn stover, U.S.D.A 802 



from Russian thistle, N.Mex 669 



handling 390 



making, Kans 665 



making, Wash 95 



notes 368 



pathogenic anaerobe from, Ky 384 



variation in ether extract 413 



Silica, solubility 310 



Silk— 



fibers, use in chemical analysis- 9 



Mancburian tussore 361 



production and manufacture in 



China 361 



Silkworm — 



effect of chemicals on 460 



larvse, selection for flacherie re- 

 sistance 860 



SUos— 



and silage, notes 36S 



concrete, for cold climate 292 



construction . 391 



construction, U.S.D.A 190 



wooden-hoop, construction, Cal_ 190 



Silver, toxic effect on plants 628 



Sllverfish, notes, U.S.D.A 364 



Simodactylus cinnamoneus, investi- 

 gations 163 



(Sinoxylon) Xylebiops basilare — 



notes 762 



on pecan, U.S.D.A 157 



Sipha flava attacking sugar cane, 



P.R 762 



Siphonella fttnicola, life history and 



habits 359 



tSiphonophora viticcla. {See Grape- Page, 

 vine aphis.) 



Sirup, methods of analysis 315 



Sisal, culture in Antigua 336 



SisalaniE of West Indies 529 



Sitotroga cerealella. (See Grain- 

 moth, Angoumois.) 

 Skim milk — 



for corn-fed pigs, Ohio 474 



for egg production, Mont 373 



powdered, analyses 804 



Skin reactions, anaphylactic 580 



Skins, tanning and dressing, treatise- 13 



Sky light, polarization, U.S.D.A 812 



Slag. (See Phosphatic slag.) 



Slaughterhouses, inspection, Ky 567 



Sludge, activated, fertilizing value 120 



Smelter gases, effect on insects 458 



Smoke injurious to vegetation 28 



Smokehouse, description, U.S.D.A 476 



Snakoroot, toxicity, U.S.D.A 685, 883 



Snapdragon rust, notes. Can 546 



Snow — 



fertilizing value. Can 619 



nitrogen, chlorin, and s u 1- 



pliates in 416 



surfaces, evaporation from, 



U.S.D.A 209 



surveys in Nevada 416 



value to the farmer 416 



Soap- 

 making 867 



mixing with lead arsenate 



sprays 258 



Soapweed as a silage crop, U.S.D.A. 471 



Social survey in Kentucky, Ky 694 



Sodium — 



arsenate, oxidation in dipping 



fluids 585 



carbonate, formation in calcare- 

 ous soils, U.S.D.A 18 



carbonate, neutralizing cream 



with 281 



chlorid. (See Salt.) 



determination in vegetable ash_ 311 



cyanid as a fumi^.;ant 357 



cyanid as a soil fumigant, 



U.S.D.A 457 



nitrate — 



application 624 



effect on burning quality of 



tobacco 140 



effect on composition of 



wheat, Ohio 518 



effect on nitrogen-assimi- 

 lating bacteria, U.S.D.A- 724 

 effect on nitrogen content 



of soil, Tenn 213 



effect on nitrogen transfor- 

 mations in soils 723 



effect on soil acidity, 



U.S.D.A 620 



effect on wheat 438 



fertilizing value- 229,233, 438, 624 



fertilizing value. Mass 218 



fertilizing value, Minn 825 



