II CONTENTS. 



Page. 



The determination of lactose by the copper methods, Bourdet 513 



The saccharimeter scale and the means of its verification, Browne 514 



Invert sugar and its significance for seed-beet i^olarization, Plahn-Appiani 514 



Separation and estimation of aspartic and glutaminic acids, Osborne and Liddle. 514 



Note in regard to determining creatinin, Rona 514 



Testing milk and its products, Farrington and WoU 514 



Unification of methods for milk analysis, Vandevelde 514 



About the estimation of lactose in milk, Bouin 514 



The detection of added water in milk, Lythgoe 514 



Investigations in regard to the ash content of milk sera, Saar 515 



Estimating the phosphatids in milk, Njegovan 515 



The reductase test compared with other methods of examination, Barthel 515 



The decomposition of milk and determining its nature and degree, Morres 515 



Some milk and butter tests, Pape 515 



The examination of butter and margarin, Griinhut 515 



Method for coconut oil in butter and margarin, Shrewsbury and Knapp 515 



A study of cottonseed oil and cottonseed-oil cake, Guiselin 515 



Notes on the testing of coal-tar creosote, Mann 516 



Dressing and curing meat for farm use, Tomhave and Gaumnitz 516 



Influence of low temperatures on the fermentation of cider, Gore 516 



The manufacture of marmalades, Walter 516 



Constituents of the wax of candelilla or Mexican wax plant, Fraps and Rather. . 516 



The trials of hop-drying plants, 1909, Elgar, Powell, and Briant 516 



Mechanical sampler, Wolters 516 



Report of agricultural-chemical control station at Halle for 1909, Miiller 516 



Extracts from proceedings of Association of Official Agricultural Chemists, 1910. 516 



Publications of the Bureau of Chemistry 517 



METEOROLOGY— WATER. 



The meteorology of the future. Abbe. 517 



International catalogue of scientific literature. F — Meteorology 517 



Meteorological summary for the year 1909, Bellis 517 



[Meteorology and hydrography of the Canal Zone], Saville 517 



Variations in rainfall and famine in German East Africa, Kremer 517 



[Temperature and rainfall of Cape of Good Hope] 518 



Composition of Barbados rainfall 518 



Report on lightning strokes in Schleswig-Holstein, Brodersen 518 



A study of hail protection appliances, Violle 518 



Hydrological role of marshes, Oppokov 518 



Water problems, Booth 519 



Sterilization of potable waters by the ultraviolet rays. Thresh and Beale 519 



The sterilizing ultraviolet ray 519 



The purification of dairy wash water by means of irrigation 519 



Ways and means of having healthy homes and summer resorts, Fletcher 519 



Clarification of sewage, Schmeitzner, trans, by Kimberly 519 



Sewage sludge disposal, Ruggles 519 



SOILS — FERTILIZERS. 



The soil, Dumont 520 



A soil survey of [seven Indiana] counties, Taylor 520 



A soil survey of [three] and parts of [two] counties, Indiana, Shannon 520 



The soils of the Upper Burnett, Briinnich 520 



Examination of Chinese tea soils, Robinson and McCaughey 520 



The salt lands of the Nira Valley, Mann and Tamhane 520 



Importance of soil colloids in determination of soil surfaces, Ehreuberg 521 



Contributions to physical soil investigation, Ehrenberg and Pick 521 



Significance of osmotic pressure and electrolytic conductivity, Konig et al 521 



The determination of the electrolytic conducti\'ity of soils, Konig et al 522 



Water in certain soils at the end of the winter of 1909-10, Demolon and Brouet. 522 



Physical constitution of soils and the irrigation waters, Miintz et al 522 



Investigations with humus, Hudig 523 



Influence of humus on decomposition of urea into ammonia, Christensen 523 



Pentosans in soils, Shorey and Lathrop 523 



Some acid constituents of soil humus, Schreiner and Shorey 523 



The presence of arginin and histidin in soils, Schreiner and Shorey 524 



Pyrimidin derivatives and purin bases in soils, Schreiner and Shorey 524 



