992 



EXPERIMENT STATION KECOED. 



Soils, peat, as affected by lime 823 



deposits in Virginia coastal plain. 513 



reclamation and improvement . . . 890 



Tmiis phosphate for 519 



phosphorus requirements, R.I 417 



pineapple, analyses, Hawaii 210 



plowing and cultivation, Cal 31 



radiating power, Mich 618 



red, fertilizer requirements, P. R 623 



formation 514 



P.R 622 



reduction of salt content, U.S.D.A 32 



relation to plants 212 



weeds 30,523 



sewage-sick, protozoa from 316 



slime formation in 723 



solubility of nitrogenous compounds in. 108 



sterilization by caustic lime 730 



sterilized and reinoculated, water-solu- 

 ble matter in, N.Y.Cornell 22 



tillage 634 



tobacco, of Deli 815 



tropical, selection 727 



truck, of Atlantic coastregion,U.S.D. A. 416 



usar and regur, of India 514 



viable weed seeds in 836 



volcanic loam, of Japan 18 



warping, in England 514 



Solanum spp . , bud variations in 829 



Solarhalo, notes, U.S.D.A 121 



Solenopsis geminata, injurious to okra 653 



sp ., parasitic on bee moth , Tex .. . 860 



Solidago sparsiflora subcinerca, notes, Ariz 441 



Solids, determination in fruit juices and jel- 

 lies 798 



Soot, fertilizing value 129 



Sorghum— 



as a forage crop, Nebr 225 



crops for silage, Kans 575 



culture experiments, Nebr 225 



Early Amber, as a dry-land crop, Ariz . . . 736 



formation of sugar in 409 



grain, culture in Texas Panhandle, 



U.S.D.A 429 



midge, notes 252 



new variety, notes, U.S.D.A 141 



notes 395 



varieties 535 



Ariz 426 



P.R 631 



water requirements, U.S.D.A 826 



yields, U.S.D.A 32 



Sotol, notes, Ariz 441 



South Carolina Station, notes 98, 399 



South Dakota College, notes 700 



Station, notes 700 



Soy bean cake, analyses 467 



Hawaii 270 



composition, Del 712 



for cows 577 



V. cotton-seed cake for cows . . 172 



hay, ash analyses, Ohio 861 



meal forpigs 371 



oil, detection 613 



studies, Del 712 



Soy beans, analyses. Wis 367 



ash analyses, Ohio 861 



culture and use 142 



N.J 536 



experiments, Ohio 432 



Wash 32 



in Porto Rico, P.R 631 



effect on nitrate content of soils, 



N.Y.Cornell 818 



fertilizer experiments 830 



Ohio 137 



irrigation, N.Mex 621 



notes 865 



relation to weather conditions, 



Tenn 616 



varieties, N.C 31 



Ohio 31,137,432 



Spalangia viuscie, notes 257 



muscidarum n.sp., description 359 



Sparrows, destruction of grain aphids by, 



U.S.D.A 452 



Spartina glabra, analyses. Can 270 



Spectrophotometry of the blood 408 



Speeds, calculating 389 



Spegazzinia ornata, notes 647 



Speisefett, notes 564 



Spelt, cultiu-e in Texas Panhandle, U.S.D.A. 429 



varieties, Can 222 



Sperm iso-agglutinins, production by ova 167 



Spermatoxin, effect on female organism and 



egg ■ 167 



Spermatozoa, transportation 66 



Spermatozoids, effect an the blastula 66 



Sphacelia scirpkola, notes 345 



Sphacelotheca sorglii, notes. Conn. State 547 



Sphserella caricse n. sp. , studies 849 



macular is, notes 51 



spp. , notes 345 



tremulicola, notes 51 



Sphseropsis — 



malorum, description and treatment 752 



notes, N. H 748 



and treatment, N.C... 49 



spp., relation to citrus gummosis, Fla... 247 



Sphserosfilbe coccophila, notes 852 



Sphserotheca Immuli, notes, Conn. State 547 



studies, N. Y.Comell 346 



mors-uvx, treatment 249 



Sphagnum, relation to formation of upland 



moors 124 



Sphenophorus parvulus, notes 252 



N.C 52 



spp. , investigations, N.C 56 



Spicaria colorans, notes 547 



Spices, value in the diet 664 



Spider, red, notes, U.S.D.A 360 



studies and bibliography, 



U.S.D.A 261 



Spiders, natural enemies of 262 



Spiderwort, notes, Ariz 441 



Spinach flea beetle, notes, Can 761 



U.S.D.A 456 



insects affecting 556 



Spinus y>J7iM«, destruction of grain aphids by, 



U.S.D.A 452 



