SUBJECT INDEX 



52^ 



Snapdragon — 



disease in Barbados, (34) 841. 

 rust, control, (40) 155. 

 rust, new, description, (33) 248. 

 /Tjst, notes, (38) 546. 

 Verticillium wilt, studies, (33) 244. 

 Snapdragons, hybridization experiments, (30) 329. 

 Sneezeweed, western, description, (39) 386. 

 Snipe, dying around Great Salt Lake, (33) 251. 

 Snohomish River basin, hydrography, (32) 588. 

 Snout beetles- 

 destruction by white fungus, (26) 454. 

 destructive to apples, (26) 759. 

 Snow- 

 Boy as an insecticide, (36) 753. 

 chlorin content, (30) 815. 

 conservation, (27) 617; (28) 414, 514. 

 conservation by pine forests, (33) 319. 

 determination of density, (34) 510. 

 disappearance in high Sierra Nevada of Cali- 

 fornia, (35) 419. 

 eSect on — 



atmospheric temperature, (31) 511. 

 soil temperature, (30) 122. 

 wintering of cereals, (26) 733. 

 evaporation from, (31) 213. 

 fertilizing value, (27) 317; (29) 209; (32) 419; (33) 



716; (36) 19; (38) 619. 

 forecasting, (35) 808. 

 injury to trees, (36) 448. 

 limits in different climates, (27) 510. 

 measurement, (40) 715. 

 melting as affected by forests, (31) 716. 

 nitrogen, chlorin, and sulphates in, (34) 615; 



(38) 416. 

 nitrogen content, (30) 211, 815; (32) 120, 615, 616; 



(40) 724, 809. 

 of South Polar region, ammonifi content, (26) 



615. 

 relation to forests, (29) 814. 

 relation to irrigation and forestry, (29) 813. 

 retention, relation to forest cover, (36) 143. 

 sampler and weigher, description, (31) 510. 

 slides and slips, (27) 616. 

 slides from mountain slopes, (27) 414. 

 studies in United States, (31) 510. 

 substances dissolved in, (40) 19. 

 sulphuric acid content, (40) 314. 

 surface, condensation upon and evaporation 



from, (34) 413. 

 surface, evaporation from, (38) 209. 

 survey on Cottonwool' Creek, Idaho, (34) 614. 

 surveys, (35) 420, 506, 61>. 

 surveys — 



for predicting stream flow, (29) 314. 

 in Nevada, (29) 510; (38) 416. 

 in Utah, (27) 616; (29) 721. 

 methods and cost of making, (36) 87. 

 value in irrigation projects, (27) 510. 

 value to the farmer, (38) 416. 

 Snowballs for lawn planting, (39) 244. 

 Snowbirds, destruction of grain aphids by, (29) 453. 

 Snowdrops, carbohydrates of, studies, (27) 427. 

 Snowfall — 



abnormal, at Springfield, Mo., (27) 413. 

 artificial, in a train shed, (31) 213. 

 greatest in United States, (33) 716. 

 in California, (33) 716. 

 Canada, (36) 617. 

 Carson, Walker, and Truckee watersheds, 



(36) 719. 

 Columbia River Basin, (29) 510. 

 eastern United States, (32) 25; (33) 118. 

 Great Lakes region, (30) 815. 

 New England, (37) 16, 807. 

 1913-14, (32) 810. 

 Utah, (27) 413. 

 measurement, (27) 617; (29) 121, 510; (31) 213; 



(33) 776. 

 relation to water supply, (37) 16. 

 Snowflakes, gigantic, (33) 118. 

 Snowstorm in Ohio, W. Va., and Pa., (30) 713. 

 Snuff, analyses, (29) 866. 

 Snuff, use, (31) 658. 

 Soap- 

 analyses, (33) 753. 

 bark, use, (32) 456. 

 detection in ethyl alcohol, (29) 312. 



Soap — C ontinued . 



determination of water in, (39) 716. 

 effect on settling of arsenicals, (26) 354. 

 effect on solubility of lead arsenate, (31) 409. 

 examination, (31) 359. 

 from soy beans, (30) 614. 

 glycerin determination in, (40) 804. 

 grease, preparation, (35) 317. 

 hard, for oil emulsions, (39) 59. 

 household tests for, (31) 462. 

 lyes, glycerol determination in, (40) 712. 

 making, (38) 867. 

 method of analysis, (40) 3U. 

 methods of examination, (29) 811. 

 mixing with lead arsenate sprays, (38) 258. 

 mixtures, preparation, (27) 356. 

 nut tree, epiphytes on, (28) 852. 

 solutions, analyses, (27) 441; (34) 661. 

 sprays, wetting power and efficiency, (36) 455> 

 use with Burgundy mixture, (40) 746. 

 use with nicotin sprays, (40) 752. 

 Soapweed— 



as emergency forage, (39) 772. 

 as feeding stuff, (40) 277, 471. 

 as sOage crop, (38) 471. 

 Social- 

 center work, bibliography, (31) 598. 

 centers in Kansas, (33) 694. 

 centers in the Southwest, (27) 796. 

 improvement clubs in Kansas, (26) 297. 

 life in the country, (31) 788. 

 survey — 



for rural communities, (31) 294. 

 in Kentucky, (38) 694. 



Missouri, (27) 390. 



northeastern Minnesota, (33) 786. 



Red River Valley, Minnesota, (33) 593. 



rural communities, (26) 687. 



southern Minnesota, (29) 489. 



Walworth County, Wisconsin, (33) 394. 

 welfare in United States, (34) 791. 

 Society— 



for Horticultural Science, proceedings, (28) 639; 



(29) 40. 



for Promotion of Agricultural Science, (26) 1, 

 195; (28) 196; (30) 97; (32) 8, 95; (36) 297; (37) 

 601, 899; (39) 701; (40) 299, 300. 



for Promotion of Plant Breeding in Germany^ 



(30) 525. 



of American Bacteriologists, (26) 575. 



of American Foresters, (26) 51. 

 Sociology, rural, outline for study, (30) 795. 

 Sod, dryland, time for breaking, (36) 132. 

 Sod oil, insecticidal value, (34) 359. 

 Soda- 

 caustic, see Sodium hydrate and Sodium 

 hydroxid. 



cellulose, notes, (34) 714. 



distribution in loam soils, (31) 618. 



formation in soils, (36) 725. 



fountain equipment, care and cleaning, (32) 356. 



in loess soils, (3-5) 809. 



lime, history and uses, (34) 804. 



loss in drainage water, (26) 422. 



pulp, cooking, (36) 17. 



replacement of potash by, as a fertilizer for sugar 

 beets, (32) 230, 324. 



replacement of potash by in microcline, (30) 126. 



sulphur dips, methods of analj'sis, (40) 208. 



use against gooseberry mildew, (36) 646. 



water, e.xamination, (20) 660. 



water, hygienic, notes, (32) 356. 



water sirups, examination, (26) 660. 

 Sodium — 



acetate for ruminants, (32) 667. 



acetate, preservation of complement by, (39) 

 584. 



acid phthalate in acidimetry and alkalimetry, 

 (34) 408. 



ammonium sulphate, fertilizing value, (35) 126, 

 518. 



kerosene emulsion, insecticidal value, (34) 



652. 

 methods of analysis, (28) 507. 

 oxidation in dipping fluids, (38) 585. 

 tick-killing properties, (29) 680, 886. 

 toxicity, (29) 586. 



