INDEX OF SUBJECTS. 



1321 



rase. 



Silkworms, feeding experiments 02 



inheritance in 1 155 



raising 400, 657, 767 



treatise 1155 



Silos, construction, Iowa 687 



Md 572 



Miss 475 



Wash 886 



filling. Wash 886 



in Maryland, Md 572 



stave, construction, U.S.D.A 688 



Silt-blanlcets, efTcct on yield of alfalfa, Ariz. . 328 



Silver fox raising, U.S.D.A 350 



Silviculture, treatise 943 



SimulidfB of Kongo Free State 1147 



Sipha flava, studies and bibliography, 



U.S.D.A 1051 



Siphocoryne avenx. {See Grain aphis, Euro- 

 pean.) 



Siphonaptera, new genus, description 857 



noncombed-eyed, revision and 



bibliography 1149 



of San Francisco, Cal 1149 



Siphonophora cerealis, notes 153 



Siphonostegia chinensis, parautism 1126 



Sirup, analyses 862 



Conn.State 960 



N.Dak 511 



cane. (Sfe Cane sirup.) 



Sisal, culture, P.R 32 



and preparation 1031 



fertilizer experiments 820 



leaf-spot disease, studies 155 



potash requirements 221 



Sisyropa, new species, notes, N.Y. State 1052 



Sitotroga ccrealella. {See Grain moth, an- 

 goumois.) 



Skim milk, analyses, Va 370 



composition 1075 



detection 274 



dried, for horses 177 



for cal ves 175, 369, 468, 1066 



N.C 866 



pigs 470,780 



Mont 6<i7 



Va 370 



methods of analysis 1108 



products, utilization 476 



studies 1074 



Skunks, notes, Ohio 1048 



protection, U.S.D.A 551 



Slag. {See I'hosphaticslag.) 



Slaughterhouse refuse, handling and use 525 



Slaughterhouses, inspection in Wyoming 1060 



{Sec also Abattoirs.) 

 Sleeping sickness— 



histological observations on 789 



notes 765 



prevalence in Zaml)esi 1081 



review of literature 789 



Slime formation, relation to nitrogen fixation. 18 



Slugs, notes ^7 



Smallpox, transmission by cats 577 



Smelter fumes. {See Fumes, smelter.) 



Smoke, effect on forests 831 



smelter, effect on plants and soils 831 



vegetation 627 



wood, as a food preservative 362 



rage. 



Smut in fodder plants, toxicity 379 



{See also Barley smut. Corn smut, etc.) 



Snails, notes 457 



Snakeroot, Seneca, culture experiments, Vt.. 335 



Snout beetles, notes 555 



Snow, fertilizing value 15 



formation of timber lines by 242 



Snowstorm at Grand Haven, Mich., U.S.D.A. 1012 



Snuff, statistics 640 



Soap mixtures, preparation 104 



wash, preparation 2.55 



Society for Promotion of Agricultural Science. 1099 



of American Bacteriologists 495 



Soda Bordeaux, effect on grapes 649 



preparation and use 951 



effect on growth of sugar beets 1018 



micro-organisms and ferments. 627 



wash emulsion, preparation 457 



Sodium — 



benzoate — 



as a ketchup preservative, U.S.D.A. 861 



decision concerning, U.S.D.A 863 



effect on meat 658 



bicarbonate, caffein, and acetanilid, sepa- 

 ration 397 



carbonate, fertilizing value 727 



chlorid. (SffSalt.) 



determination in silicates 417 



effect on formation of tissues 664 



growth of wheat seedlings, 



R.I 124,125 



sugar beets 232 



fluorid, fertilizing value 431 



nitrate. {See Nitrate of soda.) 



phosphate, alkaline, effect on meat 658 



effect on composition of milk. 1177 



protection to plants and animals by 527 



salicylate, absorption by milk 975 



salts, effect on plants and animals 1121 



soils, U.S.D.A 1017 



sulphate and carbonate mixture, effect on 



concrete, Colo 886 



Soil acidity, determination 308. 309, 704 



notes 117 



air, composition 817 



radio-active emanations in 817 



analysis, definition of terms 916 



relation to forestry 618 



bacteria — 



as affected by lime 222 



effect on lime nitrogen 924 



phosphates, Mich 221.222 



factors affecting activity 121 



production of bacteriolytic enzyms 



by 316 



solvent action 120 



studies 620 



bacteriology, problems in 217 



relation to agrlculf tin- 1015 



constituents, avallaliility as affected by 



lime 125,728 



fertility— 



as affect eil by — 



continuous cropping 119 



crop rotation and cultivation, 



Minn 435 



various factors 817 



