EXPERIMENT STATION EECOED. 



Page. 



Soils, saturation of 522 



seeped, reclamation, Utah 790 



sick, of Porto Rico, notes, P.R 132 



studies 33 



temperature as affected by forests 620 



teratological changes in 22 



treatise 424,520 



wattpolder, of North Sea coasts, origin. 315 



western prairie, analyses 315 



(See also Subsoils.) 



Solanella rosea n.g. and n.sp., description 154 



SoIanumspY>., studies 632 



Solar radiation, studies and bibliography, 



U.S.D.A IG 



Solenopsis sp., injurious to cacao 354 



Solutions, aqueous, behavior of lactose in 121 



Somateria spectabilis, feeding habits 161 



Soot, analyses 625 



S.C 799 



Sooty molds, studies 152 



and bibliography 742 



Sorbus occidentalis, pear blight affecting 451 



Sore throat, relation to udder diseases of cows. 82 

 Sorghum, compound, adulteration and mis- 

 branding, U.S.D.A 404 



culture experiments 235, 7.30 



Nebr 725 



fertilizer experiments 535 



grain smut, life history 46 



studies, U.S.D.A 734 



irrigation experiments, Ariz 727 



legume mixtures, tests, Tex 333 



occurrence of prussic acid in, Nebr . 184 



varieties 535 



Tex 332 



U.S.D.A 436 



Sorghum halapense, notes, Tex 333 



vulgare, infection experiments 45 



Sorosphsera graminis n. sp., description 743 



junci, life history 53 



Sorosporium reilianum, studies 46 



Sorrel, culture experiments 537 



food assimilation by 543 



Soursop, pollination experiments 341 



South Carolina Station, financial statement.. 799 



notes 598 



report of director 799 



Dakota College, notes 297, 096 



Station, financial statement. . 399 



notes 297,696 



report of director 399 



Soy bean cake, analyses 769 



effect on milk and its prod- 

 ucts 581 



quality of butter . . 382 



oil, waterproof liquid from 613 



beans, analyses 769 



effect on nitrate content of soils. . . 710 



fertilizer experiments. Mass 233 



history, U.S.D.A 439 



notes 35 



pollination experiments, U.S.D.A 439 



varieties, U.S.D.A 439 



Spathegaster baccartim, notes 662 



Spear grass, take-all affecting 551 



Species, evolution of, bibliography 175 



Page. 



Spectroscope, use in study of plants . . 136 



Spelt, varieties, Can 432 



Spermophy tes, parasitic, development 28 



Sphseropsis malorum, notes 155 



Sphxrostilbe coccophila, description 246 



SphxrotJieca lancstris, notes 352 



mors uvx, superparasitism 649 



Sphenophorus parvulus, notes 557 



piceus, notes 255 



sp., injurious to coconut palms 255 



Sphenoptera lineata, notes 98 



Splitngidae of North America 559 



Spices, examination 367, 567, 667 



Spider, red, studies 401 



Spinach, fertilizer experiments 640 



Spirochxta — 



bovis caffris n. sp., description 161 



equi, organism resembling 385 



n. spp. , descriptions 685 



</iez7erj,occurrenceui South Africa 83 



Spirochetosis in fowls, treatment 187 



geese, treatment 781 



pathogenic, in horses 386 



Spleen, relation to iron metabolism 572 



Spongospora subterranea, studies 742 



Spore formation, relation to oxygen fixation. 32 

 Spores, determination in tomato catsup, 



U.S.D.A 613 



Sporobolus indicus, analyses 769 



Sporothrix, studies 86 



Sporotrichosis in man and horses 781 



Spottedfever,Rockjf Mountain, transmission. 781 

 Spraying- 

 apparatus, cost data 450 



tj'pes. Miss 45 



effect on wine 267 



experiments 552, 745 



Can 461 



Colo 457 



Conn.State 553 



Md 657 



Nebr 758 



N.Y.State 663 



S.C 745 



Vt 447 



in Ohio 447 



injuries, notes 447 



studies, Mass 253 



machinery, studies, Ohio 462 



tests against East Coast fever 481 



Spray-On, insecticidal value, Md 658 



Spruce beetles. Eastern, notes. Can 455 



bud moth, notes 454 



budworm, notes, Can 455 



paper on 558 



diseases, notes 645 



leaf cast, treatment 251 



plantation at Keswick, England 548 



scab, studies ._ 453 



stands, natural regeneration 345 



Spruces as affected by elevation and exposure. 548 



culture experiments 645 



fertilizer experiments 645 



root development, studies 645 



witches' broom affecting 453 



Sputum sampler for animals, description 84 



