II CONTENTS. 



Page. 



Analyses of sugar beets, 1905 to 1910, together with methods, Bryan 409 



The peroxydase of woman's milk, Marfan and Weill-Halle 410 



Detection of watered milk by noting its electrical resistance, Favilli 410 



Significance of the cryoscopic test for controlling the milk supply, Pins 410 



Determination of fat in buttermilk, Siegfeld and Kersten 410 



The detection of margarin in butter, Eloire 410 



Estimation of total fatty acids, Simmich 410 



Determination of acids in oils and fats, Loebell 411 



Estimation of free fatty acids in fats, Bodtker 411 



The determination of glycerin in fats and soaps, Beythien et al 411 



A new method for detecting dioxydiamidoarsenobenzol (Salvarsan), Abelin. . . 411 



The determination of alkali in arsenical dip fluid, Cohen 411 



A sensitive test for the detection of phenol and salicylic acid, Wilkie 412 



Polarimetric determination of nicotin in tobacco juice and tobacco, De Grazia. 412 



The determination of nicotin in concentrated tobacco juices, Schroder 412 



Accurate estimation of nicotin in tobacco, Mellet 412 



Estimation of nicotin in tobacco extracts, Koenig 412 



Comparative investigations on the examination of tobacco extracts, Toth 412 



In regard to the determination of nicotin in tobacco extracts, Koenig 412 



Nicotin in wastes from tobacco plants, Chuard and Mellet 413 



Wood turpentine: Its production, properties, and uses, Veitch and Donk 413 



[Potato desiccation in Germany in 1910] 414 



The extraction of olive oil, Mingioli 414 



In regard to soy-bean oil, Keiniatsu 414 



Soy bean oil, Oettinger and Buchta 414 



Alcohol from agaves, Pedroso 415 



METEOROLOGY — WATER. 



Relation of temperature and rainfall to crop systems and production, Voorhees. 415 



Influence of the weather on quality of barley, potatoes, and sugar beets, Ilecker. 415 



The great weather cj'cle, Keele 416 



Swedish meteorological observations, 1910, Hamberg 416 



Meteorological observations at Massachusetts Station, Ostrander and Hallowell 416 



Climate of Utah, Thiessen 416 



Notes on evaporation in 1911, Dumas 417 



The effect of subsoil water on the cotton crop. Balls 417 



Mississippi River levees and their effect on river stages, Emery 417 



Report of water resources investigation of Minnesota, 1909-10 418 



Surface water supply of Lower Mississippi basin, 1910, Freeman and Mathers. . 418 



Surface water supply of the Missouri River basin, 1910, Lamb et al 418 



Surface water supply of western Gulf of Mexico, 1910, Freeman and Mathers. . 418 



Underground waters of the Valley of Mexico, Villarello and Agraz 418 



Analysis of water for household and municipal purposes, Chamot and Redfield. 418 



Influence of storage and preservatives on dissolved oxygen in waters, Lederer. 418 



SOILS — FERTILIZERS. 



A beneficial organic constituent of soils: Creatinin 419 



The isolation of creatinin fi'om soils, Shorey 420 



Some causes of soil granulation, Fippin 420 



Notes on soil moisture, Juritz 420 



Moisture equivalent determinations and their application, Briggs and McLane. 421 



Moisture and nitrate relations in dry land agriculture, Buckman 421 



The drainage water of a soil with and without vegetation, Lyon and Bizzell. . . 421 



Observations on solutions circulating in cultivated soils, Gola 422 



Importance of the reaction of the soil for its productivity, Weibull 422 



Nitrogen and ash constituents in crops grown on peat soils, von Feilitzen 422 



Relation of free nitrogen-fixing micro-organisms to nitrogen assimilation, Burri. 422 



The function of humus in cultivated soils, Kaserer 422 



The theory of soil management, Cameron 422 



Experiments with fertilizers and field crops on soil types of Tennessee, Mooers. 422 



Maintenance of soil fertility: Plans and summary tables 423 



Composition of Posen soils, and results of fertilizer experiments, Gerlach 423 



Some practical experiences in moor culture, 1887-1909, von Feilitzen 423 



Fertilizer and field trials with moor soils, 1910, von Feilitzen 423 



