CONTENTS. HI 



Pago. 



Th(> phnsphatos, their isomerism, and transformations in the soil, QuartaroH. . 222 



CarriiTS of phospliorus in fertilizers, Thome 222 



Is the phosphoric acid of floats made soluble by rotting manure? McDowell . . 223 



Decomposition of soil-producing rocks, Haselhoff 223 



The value of potassic rocks as fertilizer, Schacke 223 



The value of potassic rocks as fertilizer, Krische 223 



Artificial kainit 223 



The Stassfurt i)otash salts, Emslie 223 



Tertiary potasli deposits in Upper Alsace, Meinecke 223 



The jjroduction of potash salts in Germany in 1908, Maizieres 223 



Loss of potasli in commercial fertilizers, Porter and Kenny 223 



Sodium as a partial substitute for potassium, Ilartwell and Pember 224 



Lime as a fertilizer, Thatcher 224 



The decomposition of dolomite^ Knight 224 



Sodium chlorid as a f(>rtilizer for sugar beets, Strohmer et al 224 



Fertilizing with liquid manure, Ortmann 225 



Sabek, Loucheux 225 



The manurial earth of the Kistna Delta, Harrison 225 



The valuation of peat litter on the basis of its water capacity, Wilk 225 



The fertilizer industry, Carpenter 225 



The use of commercial fertilizers, Hopkins 225 



The fertilizer question in China, Krische 225 



The wholesale trade in commercial fertilizers 225 



[Trade in commercial fertilizers] 225 



The failure of fertilizers used in Germany to come up to guaranty, Asmis 225 



Commercial fertilizers, Scovell, Curtis, and Roberts 225 



Analyses of fertilizers — spring season, 1909, Kilgore et al 226 



Commercial fertilizers, Hills, Jones, and Miner 226 



The bulletins of the fertilizer control. Hills 226 



AGRICULTURAL BOTANY. 



Catalogue of the grasses of Cuba, Hitchcock 226 



The power of growth exhibited by ostrich ferns, Stone 226 



The water-storing tubers of plants, Harshberger _ 226 



The relation of fertility to the nourishment and morphology of ])lants, \\Xgner. 226 



The mineral nutrition of plants during germination, Schreibcr 227 



A study on the disassimilation of plants, Deleano 227 



Studies on chlorophyll, Tsvett 227 



The photodynamic work of chlorophyll and photosynthesis, Hausmann 227 



The role of light in the formation of proteids in plants, Zaleski 228 



On the transformation of starch in plants, Butkewitsch 228 



Biochemical researches on the development of anthocyanin in ])lants, Combes. 228 



Relative toxicity of ferrous sulphate to barley and rye, Hartwell and Pember. 228 



Use of lime nitrogen and copper sulj^hate for wild radish, Hiltner and Lang . . . 228 



Xcnia in Solanacea', Griffon 229 



FIELD CROPS. 



The Woburn field experiments, Voelcker 229 



Thirty-first report of seed control and experiment station at Zurich, Stebler. . . 230 



The Alpine experiment garden on the Sandling-Alp, Von Weinzierl 230 



Composition of herbage on meadows under different treatment, Lindhard 230 



Phosphoric acid and potash requirements of meadows, Liechti 231 



Methods of harvesting hay, Nielsen 231 



Alfalfa culture, Williams 231 



Variety and distance tests of corn, Macnider et al 231 



Cotton in the VjoU weevil infested sections of Louisiana, Newell and Rosenfeld. 232 



Variety and distance tests of cotton, Macnider et al 232 



Time and rate of sowing of oats, Hansen and Thyssen 233 



Manuring oats in the Western Province, Hards 233 



Manuring oats in the Longkloof, Thornton 233 



Seasonal report of potatoes, 1 908 233 



[Report of I j)otato growers' field meeting 233 



Rape culture, Remy 233 



The sugar content as a transmissible character in sugar beet, Andrlik et al 233 



The sugar content of the beet in its relation to seed production, Bartos 234 



