n CONTENTS. 



Page. 



The determination of phosphoric acid in wine, von der Heide and Schwenk. . . 414 



Estimation of casein and lactose in milk, Malenfant 414 



The iodoform reaction of lactic acid, Neuberg 414 



About the value of the methods for detecting watered milk, Ranfelici 414 



Interference of hydrogen peroxid with the milk tests for formaldehyde, Gibbs. . 414 



The extent of the proteolysis in cheese determined by formol titration, Gratz. . 415 



Starch grains and the use of the counting chamber, Hartwich and Wichmanu. . 415 



About the chlorzinc-iodid reaction of cellulose, Nowopokrowsky 415 



Acidity in silage : ^lethod of determination, Swanson et al 415 



Detecting arsenic in fungicidal and insecticidal noixtures, Grand erye 416 



METEOROLOGY — WATER. 



Weather and its causes. Barton 416 



The shifting of climate zones as illustrated in Mexico, Huntington 416 



Weather conditions, Harcourt 416 



Monthly Weather Review 416 



A return to normal atmospheric transparency, Kimball 417 



The Ohio and Mississippi floods of 1912, Frankenfield 417 



Rainfall and spring wheat, Blair 418 



The loss of water due to evaporation, percolation, and absorption, Phillips 418 



Silt in the Rio Grande, Follett 418 



Chlorin in rain water 418 



Lead poisoning of a \'illage through the water supply, Neisser 418 



Introduction to the mycology of water supplies and sewage, Kossowicz 418 



Germicidal action of ultraviolet light in water, Oker-Blom 419 



SOILS — FERTILIZERS. 



The effect of heat on Hawaiian soils, Kelley and McGeorge 419 



Rice soils of Hawaii: Their fertilization and management, Kelley 420 



Introduction to the soils of California, Bailey 420 



The composition of the soils of south Texas, Fraps 420 



Soil, Hissink 420 



Soils, Brunnich ^ ^ .^ 421 



An interesting soil water question in British Guiana, Bird 421 



The judgment of soil structure on experimental grounds, Bornemann 421 



The study of clay, Miintz and Gaudechon 422 



Estimation of the lime requirement of soils, Bizzell and Lyon 422 



The circulation of sulphur and chlorin on the earth, Kossovich 422 



The occurrence of arsenic in soils, Greaves 423 



Influence of arsenic on biological transformation of nitrogen in soils, Greaves. . 423 



Factors influencing ammonification and nitrification. — I, Arsenic, Greaves 424 



Cupric treatments and the nitrification of the soil, Paturel 424 



Nitrification in acid humus soils, Petit 424 



Relation between decomposition of cellulose and nitrogen economy, Pringsheim 424 



Nitrogen accumulation in continuous rye culture, Elirenberg 424 



Nitrogen accumulation in continuous rye culture, L5hnis 424 



Ammonia evaporation from soil, Lemmermann and Fresenius 425 



The catalytic power of agricultural soil, Kappen 425 



The food and habits of life of earthworms in relation to agriculture, Keup 425 



Soil fatigue, Periturin 426 



The Illinois system of permanent fertility, Hopkins 426 



Comparative tests of various fertilizers, Smets and Thomas 426 



Experiments with fertilizers in West Prussia, Gerlach 427 



The use of preservatives with liquid manure rich in nitrogen, Meyer 427 



The industrial synthesis of nitric acid and ammonia, Matlgnon 427 



Mustard and buckwheat fertilized with raw phosphates, Gal'tsev and lakushkin 427 



Assimilation of reverted phosphoric acid by plants, Kochetkov 428 



The German potash salts, Leberke 428 



Comparative fertilizer tests of common salt and potash salt, Bolin 428 



Fertilizers, Rose and Heimburger 428 



Report of analyses of commercial fertilizers 428 



Fertilizer analyses, Patten, Marti, Hart, and Jensen 428 



Analyses of commercial fertilizers, Hartwell et al 42*^ 



Commercial fertilizers in 1912-13, Fraps 4J;? 



