INDEX OF SUBJECTS. 



1299 



Fage. 



Silver nitrate, quantitative synthesis 610 



Siphonophora pelargonii, notes 659 



Sirex, habits and life history 160 



Sirup, cane. {See Cane sirup.) 



Sirups, determination of moisture in 295 



methods of analysis 614 



Skim milk, dried, for horses 1172 



for calves 171, 468, 675 



Va 870 



pigs 171 



pasteurization, methods, Wis. . . 178 



pasteurized, feeding value. Wis. . 178 



spread of tuberculosis by 979 



Wis . . 79 



Skin, diseased, leucocytes in 180 



Skins infected with anthrax, disinfection. . . 38:3 



Sky larks, feeding habits, changes in 1053 



tints, notes, U.S. D.A 212 



Slag. (See Phosphatic slag.) 



Slaughterhouse by-products, notes 1022 



system in England, treatise 1187 



Slaughterhouses, cooperative, in DeniTiark. . 882 

 improvement in Great 



Britain 675 



Sleet, weight of, U.S. D.A 10 



Slime, formation in milk 778 



Slugs, destruction 157 



notes, Md 452 



Smerinthus ocellatus, notes 352 



Smoke, effect on climate 512 



smelter, effect on agriculture 222, 223 



Smut, effect on forage plants 346 



wheat 346 



infection, studies 446 



(SeeaZ«o Barley smut, Com smut, e?c.) 



Snails, remedies 157, 858 



Snake bites, treatment 781 



Snakcroot, poisoning of stock by, U.S.D.A.. 1080 



Snakes, inoculation with tubercle bacilli . . . . 182 



Snap dragons, breeding experiments, N. J.. 1041 



Snow bugs, notes, Md 452 



for poultry, U.S.D.A 592 



heat e.xchange in, U.S.D.A 710 



measurements as affected by wind 512 



radioactivity of 713 



relation to halos, U.S.D.A 212 



specific gravity, U.S.D.A 916 



Snowstorm, Christmas, 1906, U.S.D.A 915 



in Great Britain 712 



Soap, detection in bakers' goods 458 



determination in zwieback 308 



methods of examination, U.S. D.A 1008 



solution, effect on soil bacteria 625 



Society of southern industrial classes, report 592 



Soda, determination in feldspar 408 



lime, methods of analysis 296 



Sodium — 



/3-naphthol as a milk preservative 178 



benzoate as a milk preservative 178 



detection in meat 308 



effect on digestion 179 



chlorid. (See Salt.) 



cinnamate, effect on rabbits 1182 



determination in silicates 1109 



fluorid as a milk preservative 178 



effect on crops 831 



Sodium— Continued. Page. 



fluorid effect on milk coagulation 777 



wheat 324 



hydroxld, effect on activity of yeast 127 



digestibility of wheat 



straw 771 



rennin 777 



nitrate. (See Nitrate of soda.) 



salts as affected by calcium sulphate, 



U.S.D.A 526 



effect on milk coagulation 777 



plants, U.S.D.A ,526 



soils 719 



resorption as affected by pressure 180 



sulphate, fertilizing value, Ind , . . . 625 



sulphite as a milk preservative 178 



physiological effects, U.S.D.A. . 668 



Soil acidity, notes, U.S.D.A 194 



analysis, value of, Mass 818 



bacteria as affected by- 

 carbon bisulphid 420,625 



manure 421, 422 



various substances 625 



N.J 828 



effect on plants 520 



bacteriology, relation to clover culture . 521 

 review of investigations, 



U.S.D.A 517 



biology, bibliography, Vt 318 



relation to fertilization, Vt 318 



carbonates, solubility, U.S.D.A 819 



constituents and ammonium salts, in- 

 teraction 122 



experiment field of Western Illinois 



State Normal School 390 



ferments, relation to plant growth 924 



fertility — 



as affected by manures, U.S.D.A. . . 822 



straw manure 119 



determination 410 



factors affecting, U.S.D.A 117 



investigations 417, 516, 720 



maintenance,. Ill 15, 1115 



Ind 626 



Iowa 1016 



Ohio 315, 720 



Tenn 715 



inoculation experiments 521, 832, 1120 



Alaska 93 



N.J 1017 



for alfalfa 319 



Md 331 



progress in 120,1120 



investigations — 



U.S.D.A 818 



methods 1117 



wire-basket method 516 



Ohio 14 



management, investigations, 111 117 



moisture as affected by fallowing 538, 620 



conservation 1015 



Can 923 



Colo 995 



N.Mex - 28 



determinations, Wyo 531 



investigations 517, 716 



N.Y.ComelL... 326 



