I 



CONTENTS. in 



Page. 



Lime compounds in different kinds of soil, Elenevski 322 



Bacteriological tests in soil and dung, Millard 322 



Toxic effects of "alkali salts " on soil bacteria. — I, Ammonification, Lipman. . . 322 



Behavior of leguminous plants toward inoculating material, Doiarenko 322 



Soil sterilization, Emmerich, Wilhelm Graf zu Leiningen, and Loew 322 



The daily course of atmospheric pressure in the soil, Bornstein 323 



An effective method of preventing the erosion of hill lands, Mercier 323 



The agricultural side of peat bog utilization, Davis 323 



Results of cooperative experiments with fertilizers on swamp soils, Harcourt. . 323 



Stable manure as a source of nitrogen, phosphoric acid, and potash, Doiarenko. 323 



[Fertilizing value of peat], Whitson 323 



The fertilizing value of certain nitrogenous substances, Gregoire and Hendrick. 323 



Tests with four nitrogenous manures 324 



The production of sulphate of ammonia, Davis 324 



Grinding lime marl and mixing calcium carbonate and caustic lime, Brehmer. 324 



Fertilizers from the ocean, Lundie and Hallack 324 



[Fertilizer fi'om salmon cannery waste], Cobb 324 



Fertilizers and Paris green, Halligan et al 324 



Analyses of commercial fertilizers 325 



Fertilizer analyses. Patten, Winter, and Clippert 325 



AGRICULTURAL BOTANY. 



Breeding and the Mendelian discovery, Darbishire 325 



Perfect flowers in maize, Montgomery 325 



Cytological studies of some cereals and their hybrids, Nakao 325 



Effect of lime on the vegetation of some tropical mountain barrens, Hosseus 325 



The permeability of the yeast cell, Paine 326 



On the metabolic changes due to geotropic stimulation, II, Grafe and Linsbauer. 326 



On the precipitation of iron by light and by green aquatic plants, Molisch 326 



Peroxidase and the respiratory pigments of plants, Palladin and Iraklionoff . . . 326 



On the presence of a glucosid in pears, Bourquelot and Fichtenholz 327 



Carbon dioxid at high pressure and the artificial ripening of persimmons, Lloyd. 327 



A manual of poisonous plants, II, Pammel 327 



American medicinal leaves and herbs, Henkel 327 



FIELD CROPS. 



Influence of moisture, soil compactness and fertilizers, Polle 337 



Field experiments, 1910 339 



[Experiments with field crops in 1906, 1907, and 1908] 331 



Suggested cropping systems for the black lands of Texas, Youngblood 331 



Alfalfa in Ohio — a field study. Cook 331 



Plans for distributing Bermuda grass, Churchill 332 



Selection of corn for seed and for show, Hutchison 332 



The story of cotton and the development of the cotton States, Brooks 332 



German colonial cotton reports, 1900-1908, Supf 332 



The rice plant. Van Breda de Haan 332 



The rice plant, De Bie. 332 



The action of large applications of nitrogen on the sugar beet, Herke 332 



Pollination of the sugar beet by the field beet, Andrlik, Bartos, and Urban. . . . 332 



Sugar beets in water cultures, Schander and Riiggeberg 333 



Nicotin content of some German tobaccos and the distribution of nicotin. Gaze. 333 



Maryland weeds and other harmful plants, Norton 333 



The problem of weeds in the West, Pammel 334 



HORTICULTURE. 



A model cold storage house, Waugh 336 



Fluctua;ting characteristics of apples, Goetz 336 



The composition of the apple as affected by irrigation, Bradley 336 



Peaches for central New York, Ayers 336 



Grape propagation, pruning, and training, Husmann 336 



Date culture in Caliiornia, Coit 336 



The propagation of the avocado. Wester 336 



Tropical fruits in the Visayas, Wester 336 



Coconut growing in the Philippine Islands, Worcester .• , . , 336 



