n CONTENTS. 



Page. 



Arsenic content of shellac and contamination of foods from this source, Smith. . 710 



RafTmose content of raw-beet sugars and the ratio of ash, Strohmer 711 



The quantitative analysis of human and of cows' milk, Meigs and Marsh 711 



Capillary and absorption phenomena observed with milk, Kreidl and Lenk. . . 711 



In regard to the practical control of the milk supply, Hoyberg 71 1 



The differentiation of raw from boiled milk, Gunther 711 



A simple method for distinguishing raw from boiled milk, von Sobbe 712 



The guaiac test for detecting heated milk, Hinrichsen 712 



The' influence of preservatives upon the results of the guaiac test, Kiihn 712 



The use of perhydrol as a mouth wash in testing milk for taste, Brundy 712 



Tests with the '"'neu-sal " method, Hoffmeister _. 712 



Analytical standards for milk, butter, and butter fat in Egypt, Lucas 712 



The judging of butter fat on the basis of the Ewers test, Nockmann 713 



The quantitative determination of coconut fat in edible fats, Arnold 713 



Detection of rape oil, Tortelli and Fortini _. 713 



A chemical investigation of American spearmint oil. Nelson 713 



Investigations in regard to betains in plants, I, Schulze and Pfenninger 713 



Determination of fat in feeding stuffs, Schulze et al 713 



Determination of the purity of linseed cake, yuafiart 714 



The determination of rice spelts or hulls in rice feed meal, Ezendam 714 



Analyses of miscellaneous materials, Patten 714 



Quality in dry wines, Jordan, Jr 715 



On pulque and pulque drinking in Mexico, Bland-Sutton 715 



Making porcelain and silica crucibles, etc., Yoder 715 



METEOROLOGY— WATER. 



International catalogue of scientific literature. F — Meteorology 715 



Division of meteorology, Helme 715 



The climate of Ohio, Carney 715 



The climate of the Continent of Africa, Knox 715 



How one billion of us can be fed, McGee 715 



Sterilization of water by ozonized oxygen and chlorin compounds, Rouquette. . 716 



Irrigation with sewage, Williams 716 



Studies of sewage purification and utilization in agriculture, Miintz and Laine. . 716 



The agricultural use of sewage water, Miintz and Laine 717 



Sewage sludge 717 



SOILS — FERTILIZERS. 



The theory and practice of soil management, Cameron 717 



Soil and soil problems from the standpoint of the physicist, Jeffery 717 



Soil and soil problems from the standpoint of the chemist. Patten 717 



Soil and soil problems from the standpoint of the microbiologist, Rahn 718 



Soil and soil problems from standpoint of botanist. Brown 718 



The influence of the soil type on the plant variety. Burgess 718 



Field operations of the Bureau of Soils, 1909, Whitney et al 718 



Analyses of Argentina soils 719 



Mechanical analyses of tropical soils, Mohr 719 



The mechanical analysis of arid soils, Beam 719 



Soils of the Gezira, Beam 719 



Notes on some Catlin's River soils, Aston 719 



The distribution of bacteria in certain New York soils. Conn 719 



Regarding humus acids, Tacke, Such ting, et al 720 



Investigations on nitrogen transformation in different soils, Fischer et al 721 



^^^ly do some soils nitrify organic substances and ammonium salts of organic 



acids faster than ammonium sulphate or ammonium chlorid? Temple 722 



The awakening of the soil, Miintz and Gaudechon 722 



The gain in nitrogen with different legumes, Hartwell and Pember 722 



Nitrates in soils, Stevens 723 



Azotogen, nitragin, and natural soil inoculation, von Feilitzen 723 



A contribution to knowledge regarding Loew's lime-magnesium ratio, Stewart. 723 



Green manuring or bioculture, Lumia 723 



The influence of bacteria on the soluble phosphorus of manures, Tottingham . . 723 



The sprinkling of manure, Ringelmann 724 



'Fertilizer chemistry: A report of progress, Rudnick '.'....'.' .' .' .' . .' .' .' . 724 



The rational use of commercial fertilizers, Soule 724 



