908 



EXPERIMENT STATION RECORD. 



Page. 

 Sulphate of potash — 



effect on composition of milk 478 



fertilizing vafue 535, G37 



Minn 637 



Sulphates, determination 9 



Sulphid of arsenic, insecticidal value 359 



Sulphite liquors, waste, for roads, U.S.D. A. . . 489 

 Sulphur- 

 determination in — 



organic matter, U.S.D. A 215 



the presence of alkali salts 013 



dioxid in sulphured food products 768 



effect on potatoes 449 



soil 744 



fumes as a meat preservative 166 



effect on wheat and flour. Can 369 



methods of analysis 706 



U.S.D.A 215 



mixtures. (,See Lime-sulphur mixtures.) 

 Sulphuric acid — 



as a manure preservative 125 



seed disinfectant 248 



determination 214 



in presence of chromium. . 706 



effect on activity of invertase, U.S.D.A. . 110 



plants. Mo 526 



tables for 523 



Sulphurous acid as a manure preservative. . . 125 



meat preservative 166 



inchampagne 114 



Sumac as affected by compression 130 



leaves, effect on soils 623 



Sunflowers— 



analyses and digestibility , Nev 72 



as affected by longitudinal compression. . 130 



culture on Hunger Steppe 534 



varieties, Can 334 



Sunlight as affected by foliage 724 



effect on lice 589 



water requirements of 



crops 331 



fertilizing effect on soils 123 



value 222,318,523 



Sunn hemp as a green manure 124 



Superparasitism of insects 358 



Superphosphate — 



double, residual effects 324 



effect on composition of milk 478 



plants 232 



percolation of water in soils 121 



temperature of manure 025 



fertilizing value 22, 23, 24, 32, 



127, 134, 140, 232, 234, 323, 534, 

 535, 626, 637, 638, 639, 730, 732 



Fla 35 



Miim 637 



mixing with calcium cyanamid 26 



residual effects 324 



Superphosphates, apparatus for making 24 



behavior in soils 24 



Surra, elephant, trypanosomes in, characteris- 

 tics 585 



Incamels, treatment 786 



horses, treatment 390 



treatment 484 



Sus palv^tris, description 174 



Page. 



Swamp fever, studies, Minn 83 



lands. {See Lands, swamp.) 



Swedes, fertilizer experiments 534, 632, 633 



Can 531 



for sheep 774 



varieties 533 



Can 531 



N.Dak 728 



yields as affected by windbreaks 435 



Swedish Moor Culture Society, report 799 



Sweet clover, nonnitrogenous extracts in 611 



com, culture on worn soils 437 



irrigation experiments, U.S.D.A. 394 



production for seed, U.S.D.A... 640 



pea culture, treatise 642 



diseases, notes 642 



peas, culture 343 



development 541 



growth as affected by gases 229 



insects affecting 642 



potato beetle, two-striped, notes, N.J. 



disease, notes 649 



flea l)eetle, notes, N.J 58 



scaraljee in Barbados, remedies. 659 



potatoes for steers, Fla 475 



insects affecting 334,659,755 



N.J 58 



varieties 334 



Fla 432 



Swine fever, paper on 784 



plague, etiology 486 



immunization 289,486,788 



outbreak 589 



relation to hog cholera 688 



studies 790 



pox, transmission 390 



(See also Pigs.) 



Sycamore borer, notes, U.S.D.A 161 



disease, notes 553 



Sylcpta derogaia, notes 658 



SjTnbiosis, fungus, in orchids 133 



Symdobius oblongus, description. Me 757 



Sympherohius angustus, notes 559 



Symptomatic anthrax. (See Blackleg.) 

 Synchytrium ( Chrysophlyctis) endobioticum, 



method of control 449 



Syringa spp., forcing experiments 41 



vulgaris, osmotic pressure in, studies. 527 



Syrphidse of Wisconsin 664 



Syrphus flies, parasitic on green bug 460 



Tabanidae, jVfrican, treatise and bibliography. 664 



of Madagascar 260 



Tabardillo, etiology 559 



Tachirm mella, parasitic on range caterpillar, 



U.S.D.A 464 



Tachinid fly, parasitic on cotton insects, 



U.S.D.A 462 



Tachydromia, descriptions 501 



Tadpoles as affected by lecithin 774 



Tadschicks, food and living conditions of — 568 



Tsenia coenurus, notes 88 



crassicollis, notes 188 



marginata, notes 87 



sp., notes 664 



Taenioldea of North American birds, list 488 



Takahashia, new species, descriptions 54 



