n CONTENTS. [vol. 36 



Page. 



The estimation of calcium, Cahen and Hurtley 112 



A new color reaction for ' ' oxycholesterol , ' ' Rosenheim 112 



Note on the detection of crude beet sugar in cane products, Pellet 112 



A simple and rapid method for volatile acid in wine, Cruess and Bettoli 112 



The composition of some lime-sulphur sprays, Ramsay 113 



Canning and preserving with 4-H recipes, McKimmbn 113 



How can vegetables be best conserved? Friedlaender and Dammer 113 



The laboratory kitchen recipes for putting up fruits, Carrell 113 



The canning of fruits without sugar, Heyl 113 



Application of sulphurous acid and selected yeast in California wines, Cruess. . 113 



Influence of composition on effervescence of champagne, Bettoli and La Belle. 113 



The coloring matter of cane juices. — A preliminary report, Schneller 114 



Secrets of meat curing and sausage making 114 



SOILS — FERTILIZERS. 



Principles of plant nutrition and manuring, Kleberger 114 



The making of the soil, Russell 114 



Agricultural soils and their composition, Puig y Nattino 114 



Soil survey of Franklin County, Florida, Mooney and Patrick 114 



Soil surv'ey of Jewell County, Kansas, Call et al 115 



Some soils from the Kuala Pilah and Jelebu districts, Grantham 115 



Critical contribution on the origin of the MediteiTanean red soils, Blanck 115 



Humification of compounds contained in vegetable organic matter, Trusov 115 



Measuring biological actions directly in the soil, Bouyoucos 116 



Effect of grinding soil on the number of micro-organisms, Fred 116 



The gases of swamp rice soils. III, Harrison and Subramania Aiyer 116 



Relations between water and soil, Fischer 117 



Methods for determining cohesion, especially in marsh soils. Marquis 117 



Acidity and adsorption in soils, Sharp and Hoagland 117 



Soil alkali studies in certain Utah soils, Harris 118 



[Studies on soils] 118 



The nitrifying powers of some humid and some arid soils, Lipman et al 119 



Washing out of nitrate from arable soil during winter, Russell and Appleyard. . 119 



Improvement of peat soils by adding mineral soils and lime, von Feilitzen 119- 



Manuring for higher crop production, Russell 119 



Fertilizers, Voorhees 119 



Soil fertility, its economic maintenance and increase, Shutt 120 



Manurial values of concentrated foods in relation to cost of milk. Mackintosh. . 120 



A plan for testing efTiciencies of fertilizers, Gile and Carrero 121 



[Fertilizer experiments], Gaskill 121 



Som'ces of nitrogen compounds in the United States, Gilbert 122 



Fixation of air nitrogen and the importance of the fertilizer, Seidler ] 22 



The preparation of superphosphate from phosphorites, Koblykov 122 



Citrate solubility as measure for effectiveness of Thomas phosphates, Pfeiffer. . 123 



Potash in the banana stalk, Ellis 123 



Note on the presence of potash in banana skins, Ellis 123 



The slaking and keeping of lime from east and west Gotland, von Feilitzen 323 



Methods of appljing lime, Ilendrick and Smith 123 



Agricultural lime licensed, inspected, and analyzed during 1915 123 



Lime in 1915, Loughlin 123 



Gypsum in 1915, Stone 124 



Action of manganese under acid and neutral soil conditions. Skinner and Reid . 124 



The American fertilizer handbook 124 



Commercial fertilizers licensed, inspected, and analyzed diu^ing 1915 124 



Analyses of commercial fertilizers, Brackctt et al 125 



AGRICULTURAL BOTANY. 



Influence of certain carbohydrates on green plants, Knudson 125 



Studies on the formation and translocation of carbohydrates in plants 125 



Physiological observations on Papaier somnifcruvi, True and Stockberger 12^ 



A substance coagulating inulin in vegetable tissues, Wolff L 



The constitution of anthocyanins, Willstatter IS 



Medium of exchange between roots, soil, and tissues in the plant, Maz(5 IT 



Exchange of ions between L. alhus and culture solutions. True and Bartlett ... IS 



The antagonistic action of salts in plants, Maschhaupt 12 



