CONTENTS. Ill 



Page. 



The plasticity of clays, Atterberg 220 



The measurement of soil evaporation under arid conditions, Lee 220 



A new method of physical analysis of the soil, Dumont 221 



The soil survey, Whitson 221 



Collecting and testing soil samples, Hopkins and Pettit 221 



Descriptions of soil types and changes in classification 221 



Soils of the Eastern United States and then: use, XXIV, XXV, Bonsteel 222 



The soils of Sullivan County, Doneghue et al 222 



The soils of Audrain County, Doneghue and Tillman 222 



Report on soils, etc., in Central Park, New York City, Maynadier 222 



Dune areas of New Zealand, Cockayne 223 



Earthworms and small animals in the German forest soil, Ramann 223 



Observations on the improvement of alkali soils, von Sigmond 223 



Alkali work, Kennedy et al 224 



The accumulation of green manure nitrogen in light sandy soils, von Seelhorst. 224 



Organic compounds and fertilizer action, Schreiner and Skinner 224 



Catalytic fertilizers for sugar beets, Stoklasa 225 



Analyses and valuations of commercial fertilizers, Cathcart et al 225 



Hygroscopicity of certain nitrogenous fertilizers, von Feilitzen and Lugner 226 



Influence of calcium carbonate on ammoniacal and nitrate nitrogen, Vogel 226 



The occurrence of potassium nitrate in western America, Stewart 226 



Action of manganese sulphate on vegetation, Masoni 226 



AGRICULTURAL BOTANY. 



A text-book of botany, Strasburger et al 227 



Report of the department of botanical research, MacDougal 227 



Sudden variations in plants and animals, Blaringhem 227 



Problems of the biochemistry of respiration in plants, Blackman et al 227 



The effect of chloroform upon respiration and assimilation, Irving 227 



Electromotive phenomena in plants. Waller 227 



The blaze currents of laurel leaves in relation to prussic acid, Waller 228 



Relation of hydrocyanic acid to maturity of the almond, De Plato 228 



The presence of hydrocyanic acid in fungi, Offner 228 



The paths of translocation of sugars from green leaves, Mangham 229 



Concerning phyllohamin, II, Marchlewski and Robel 229 



Amyloclastic secretory capacities of the embryo and aleurone layer. Steward. . 229 



Note on the action of strychnin upon some somatic cells, Kemp 229 



Effect of polyurates and hippuric acid on development of the radish, MoUiard. . 229 



Impurities in atmosphere and effects on vegetation, Ruston and Crowther 229 



The influence of tobacco smoke on plants, Molisch 230 



The influence of tobacco smoke on plants 230 



FIELD CROPS. 



[Variety and manurial tests with cereals and root crops], 1910, Foulkes et al. . 230 



Report on agricultural stations in Central Provinces and Berar, Allan et al 232 



Annual report of agricultural stations in Eastern Bengal and Assam for 1910 233 



[Cereal, forage crop, green manuring, and potato experiments], Kennedy et al. . 233 



Grains recommended for trial, Shaw 233 



Observations on the status of corn growing in California, Sherwin 234 



Lespedeza or Japan clover, Dodson et al 234 



The soy bean and its products, Bontoux 235 



Sugar cane seedlings, Agee 235 



Tobacco growing in Ireland 236 



The extermination of morning glory, Bioletti 236 



HORTICULTURE. 



New plant and immigrants, Fairchild 237 



[Phenological notes: Blooming dates for Iowa plants, 1910], King et al 237 



Are the springs colder now? Reeder 237 



Horticulture 237 



Facts and figures, or the A B C of Florida trucking, Kennerly 237 



The home vegetable garden, Lloyd 237 



Notes on edible fungi, Mattel - 237 



