996 



EXPERIMENT STATION EECOED. 



Silos— Continued. Page. 



descriptions, Mont 673 



fiUing, Nebr 891 



Gurler, construction, Mo 786 



wooden hoop , construction , Tenn 489 



Silver beets. (See Swiss chard. ) 



Silviculture, manual 143 



Simulidae, synopsis, U.S.D. A 254 



Simulium— 



natural enemies of 851 



relation to pellagra 452 



Sinay beans, eflect on nitrogen content of soils 733 



Sincamas, effect on nitrogen content of soils . . 733 



Sinoxylon basilare, studies, Ohio 852 



Siphanta acuta, notes, Hawaii 249 



Siphonophora leptadenise n. sp. , notes 755 



Sirup, treating. La 117 



Sisal— 



anthracnose, notes 641 



culture in English and German East 



Africa 333 



fertilizer experiments 421 



fiber, tests 526 



Sitotroga cerealella. {See Angoumois grain- 

 moth.) 



Skim milk— 



for calves 75 



methods of analysis 114 



nutritive value 161 



Skin- 

 diseases, relation to diet 463 



maggot of man, notes 551 



secretions, pigments of 274 



Skunks, economic value, U.S.D. A 370 



Slag. (.See Phosphatic slag.) 



Slaughterhouses — 



handbook 166 



inspection, Ky 359 



inspection, N.Dak 658 



inspection in German Empire 760 



Slaughtering industry in United States 64 



Slav farmers in Connecticut 93 



Smelter- 

 fumes, eflect on plants 322 



smoke injury in southeastern Tenne.ssee . 146 



Smoke— 



eflect on pines 730 



eflect on soil acidity 521 



effect on vegetation 34,826 



eflect on vegetation , Iowa 628 



problem, meteorological aspect,U.S.D.A. 213 



Smut- 

 cereal , spore germinations, Minn 642 



dissemination by threshing machines 148 



fungi, parasitism -540 



(See also Barley smut, Com smut, etc.) 



Snails, fresh and canned, production and mar- 

 keting 656 



Snow — 



eflect on atmospheric temperature 511 



evaporation from, U.S.D. A 213 



melting as affected by forests 716 



sampler and weigher, description 510 



studies in United States 510 



Snowfall- 

 artificial, in a train shed, U.S.D. A 213 



measurement, U.S.D. A 213 



Snuff, use, N.Dak 658 



Soap— Page. 



effect on solubility of lead arsenate 409 



examination 359 



household tests for 462 



Social- 

 center work, bibliography 598 



life in the country 788 



survey for rural commrmities 294 



Soda, distribution in loam soils 618 



Sodium — 



borate, effect on sugar beets 233 



chlorid. (See Salt.) 



citrate, prevention of milk curdling by, 



N.Y.State 710 



importance in animal nutrition 663 



nitrate as a feed for dogs and pigs 265 



nitrate as a rice fertilizer 127 



nitrate as a winter spray for fruit 338 



nitrate, drilling v. broadcasting 123 



nitrate, effect on apples, N.Y.State 338 



nitrate, eflect on coherence of soils 123 



nitrate, eflect on composition of beets 737 



nitrate, eflect on maturity of cotton, N.C . 40 



nitrate, fertilizing value 36, 



37, 137, 517, 518, 725, 820, 821, 822, 829 



nitrate, fertilizing value, Ala.CoUege 41 



nitrate, fertilizing value, N.J 124 



nitrate for com 831 



nitrate for cranberries, Mass 741 



nitrate for oats 528 



nitrate for potatoes and sugar beets 833 



nitrate for sweet potatoes, Ga 437 



nitrate, production in 1913 725 



nitrate, residual eflects 319 



nitrate, trade in 29 



nitrate v. ammonium sulphate for sugar 



beets 422 



nitrate v. dried blood for cotton 630 



nitrite, fertilizing value 518 



nucleinate, assimilation by mm in ants. . . 71 

 oxalate for standardizing potassium per- 

 manganate 501 



salts, eflect on activity of lipase 264 



silicates, fertilizing value 31 



Soil- 

 acidity as aflected by sulphur 727 



acidity, determination 112 



acidity, investigations 618 



acidity, notes 322 



alkalinity, relation to plant chlorosis 50 



bacteria as affected by antiseptics 516 



bacteria as affected by irrigation, Nev ... 24 



bacteria as aflected by mineral fertilizers. 821 



bacteria, decomposition of silicates by. . . 121 



bacteria, determination 731 



bacteria , determination of activity 126 



bacteria, effect on plant growth. Wis 827 



bacteria, functions, Iowa 127 



bacteria, growth 620 



bacteria, notes, Colo 818 



bacteria, respiratory intensity 313 



bacteria, studies, Oreg 818 



bacteria, variations in 26 



bacteriology, methods in 420 



bacteriology, studies 121 



carbonates, decomposition 25 



catalase, notes 313 



colloids, ammonia-soluble inorganic, Tex. 801 



