1917] 



INDEX OF SUBJECTS. 



973 



Rural— Continued. Page. 



population in United States 591 



progressin Missouri 93 



schools. (See Schools, rural.) 



social surveys, bibliography 288 



survey of Lane County, Oregon 688 



Rust sori, internal, U.S.D.A 845 



Rusts — 



heteroecious, culture experiments 245 



in Sotshi 245 



studies 542 



(See also Wheat, etc.) 

 Ruta-bagas. {See Swedes.) 



Rata graveolens, oil of 803 



Rye- 

 bran, analyses, N.J 167 



bread making experiments 464 



composition as aflected by Fusarium 633 



culture experiments 532 



culture experiments. Can 32 



culture in southern Idaho, U.S.D.A 227 



culture on Wisconsin drift soil, Iowa 623 



culture under dry farming 529 



culture under dry farming, Utah 528 



distribution of nitrogen in, Ky 269 



"drunk bread" disease, studies 747 



effect on activity of soil fungi 215 



lall-sown, in Maryland and vicinity, 



U.S.D.A 736 



feed, analyses, Ky 268 



feed, analyses, N.J 167 



fertilizer experiments 217, 232, 325, 532 



flour and rye bread 159 



germination as aflected by depth of plant- 

 ing 437 



grass, composition and digestibiUty 469 



grass, western, culture experiments. Can . 32 



hybridization experiments, Alaska 436 



middlings, analyses, Ind 268 



middlings, analyses, Mich 765 



middlings, analyses, N.J 167 



pollination 527 



ratio of grain to straw 218 



rotation experiments, R.I 528 



smut, studies, Minn 146 



varieties, Alaska 435,437 



varieties. Can 32 



varieties. 111 634 



varieties, U.S.D.A 33 



Sacbrood, investigations, U.S.D.A 659 



Saflflower, Indian, studies 228 



Sailors, land settlement for 290 



Sainfoin, culture experiments, Can 32 



St. Paul, Minn., as an agricultural and finan- 

 cial center 494 



Sal- 

 beetles affecting 360 



disease, notes 449 



reproduction 453 



seedlings, dying back 345, 844 



Salicylic aldehyde- 

 effect on growth of cowpeas 731 



effect on plant growth 424 



Saligenin, utiUzation by plants 329 



Saliva, ox, diastase in 82 



Salmon industry in Alaska 862 



Salsify, food value, U.S.D.A 863 



Salt— Page. 



and alkali industry, treatise 428 



effect on plants 297 



fertilizing value 220 



Saltpeter, Chile. (See Sodium nitrate.) 



Salts- 

 absorption by roots 128 



antagonism between 128 



as aflected by soil moisture and manure, 



U.S.D.A 818 



crystalUzable, photomicrographs S04 



eflect on bacterial activities of soil 515 



eflect on growth of soy beans 31 



eflect on lime requirement of soils, Mich . 210 

 eflect on secretion of diastase by Pcnicil- 



liun camembertii 328 



inorganic, eflect on Actinomycetes 526 



physiological balance in water cultures . . 328 



Salvarsan — 



trypanocidal activity 679 



use against anthrax C78 



Salvia grandiflora, oil of 803 



San Jos6 scale — 



notes 856 



notes, Kans 357 



notes, Okla 755 



remedies 551 



Sand cultures- 

 balance of nutrients in 2!2 



renewal of plant nutrients in 31 



Sandal spike disease, studies 652 



Sandalwoods of Hawaii 539 



Sann hemp as a green manure 232, 624, 737 



Sanninoidea exitiosa. {See Peach borer.) 



Sap- 

 ascent in plants, liquid pressure theory . . 822 



depression cf freezing point 823 



of desert plants, cryoscopic constants 823 



Sapromyza hispina, relation to fire blight 352 



Sarcocystis muris, sexual evolution 657 



Sarcophaga — 



aldrichi n. sp., description 67 



froggatti n. sp., description 853 



Sarcophagidae of New England 57 



Sarcosporidla, review of investigationj 252 



Sassafras, Brisbane, essential oil of 611 



Sausage- 

 boric acid in 466 



preparation 114 



Sawdust, eflect on soil potash, Tex 625 



Scabies. {See Sheep scab.) 



Scale- 

 insects, dispersion by wind 55 



insects injurious to coffee, P.R 354 



insects, resistance to fumigation 154 



oblong, notes 355 



Scallops, examination. Me 159 



Schinopsis spp., studies 745 



Schistocerca 



percgritia, control in Algeria 356 



t'enu^to, remedies, N.Mex 55 



Schizocerophaga leibyi n.g. and n.sp., descrip- 

 tion 5-54 



School- 

 children, weight andstature 264 



credit for boys' and girls' club work and 



extension activities 293 



