990 



EXPERIMENT STATION EECOBD. 



Page. 

 Rubus occidentals. Inoculation ex- 

 periments with brown rot fungus. 247 



Rudbeckias, varieties at Wisley 536 



Run-off, computing 775 



Ruppia maritima, culture for wild 



ducks, U.S.D.A 251 



Rural — 



communities, organization, U.S. 



D.A 292 



communities, recreational and 



social needs 190 



credit. (See Agricultural 

 credit.) 



demonstration schools, notes 194 



depopulation, treatise 91 



districts, cottage building in 490 



districts, housing in 893 



economics in Minnesota 786 



economics, outline for instruc- 

 tion in 598 



industries, mosquito - malaria 



losses in 255 



life conference at Ontario Agri- 

 cultural College 295 



moral life in middle West 787 



population in Roumania 695 



population of United States, 



mortality statistics 594 



population, shifting of 190 



problems, relation to elementary 



schools 896 



schools. (See Schools, rural.) 



social problems 190 



survey in Clarke County, Ga., 

 with special reference to 



negroes 694 



survey in northeastern Minne- 

 sota 786 



surveys, treatise 593 



teachers, training centers for_ 194, 195 

 teachers, training in United 



States 799 



Rust — 



fungi, sexuality of 27 



spores and mycelium in seeds 



of cereals 445 



Rusts — 



classification, JMo 24.5 



infection experiments 847 



of Scotland 145 



spore formation in 145 



taxonomy 130 



transmission 445 



(See also Grain, Wheat, etc.) 

 Ruta-bagas. (See Swedes.) 

 Rye— 



Abruzzi, tests, N.C 831 



amino acid in 665 



analyses 734 



and vetch for forage. Mo 226 



bran, analyses. Wis 568 



bread, analyses 865 



breeding experiments 134 



culture experiments, Ariz 31 



culture experiments, U.S.D.A- 633 



Rye — Continued. Page, 

 culture, relation to rainfall, 



U.S.D.A 715 



fertilizer experiments 219, 517 



flour, composition 564 



grass, culture experiments 835 



grass, Italian, culture experi- 

 ments, Wash 33 



grass, perennial, culture under 



irrigation 228 



grass, wild, culture experi- 

 ments, Alaska 682 



growth in water culture 223 



hail injuries to 127 



hogging down, Ohio 871 



irrigation by spraying 287 



irrigation experiments on light 



sandy soil 286 



middlings, analyses 665 



middlings, analyses. Wis 568 



proteins, alcohol-soluble 162 



rust in Bavaria 847 



rust, studies i 546 



seed examination 734 



seed, treatment with corrosive 



sublimate 546 



straw, analyses and use as 



human food 866 



varieties, Alaska 632 



varieties, N.C 831 



varieties, Wash 84 



yield in relation to physical 



properties of soils 815 



yield on alfalfa stubble, Nebr_ 828 



Saccharin, methods of analysis 414 



Saccharose — 



as affected by chloroform and 



ether 523 



use in bread making 461 



Saddle-back caterpillar, notes 58 



Sage, black, oil of 202 



Sagittaria sagittifolia, nitrites in 627 



Sahlbergella spp., notes 153 



Saissetia nigra. . (See Black scale.) 

 Salicornia, growth in presence of 



salt 222 



Salicylic — 



acid, methods of analysis 414 



aldehyde, effect on plants 328 



Saline deposits in southeastern 



California 518 



Salmonberry leaf spot, notes, Alaska 647 

 Salsify, mulching v. clean culture, 



Mont 534 



Salsola vermieulata, analyses 466 



Salt- 

 application to heavy soils, 



U.S.D.A 323 



determination in butter 16 



effect on germinating plants 128 



effect on growth of Salicornia 222 



fertilizing value 841 



role In plant nutrition 725 



toxicity toward barley, U.S.D.A. 323 

 Saltpeter, Chile. (See Sodium 

 nitrate.) 



