II CONTENTS. 



Page. 



About an anti protease in yeast press juice, Buchner and Haehn 411 



The action of light upon catalase, Batelli and Stern 411 



The origin of the catalase in milk and its signiiicance, Faitelowitz 412 



Color reactions for differentiating heated from raw cow's milk, Sames 412 



About blue milk, Van Melckebeke 413 



Methods for the examination of milk and dairy products, Teichert 413 



Modification in method for ester number in butter, Hanus and Petfik 413 



Report of the experiment station at Schleswig-Holstein for 1909, Wehnert 413 



Report of the senior analyst, 1909, Juritz 413 



The technology of fats and oils, edited by Hefter 413 



Drying and dryers, Marr 413 



The manufacture of compressed dried vegetables, Hausner 413 



Preserving potatoes by steaming and storage, Schmoeger 413 



The manufacture, preservation and use of unfermented grape juice, Husmann. 414 



The preparation of wine in Algiers, Foussat 414 



The uses of the defibered pulp of Agave rigida, Dechambre et al 414 



Utilizing agave residues for producing alcohol, D'Herelle 414 



Saccharification of cell substance, Ost and Wilkening 414 



Production of volatile oils and perfumery plants in the United States, Rabak. . 414 



Technical-microscopical differentiation of fibers, Korn 415 



Philippine fibers and fibrous substances — suitability for paper, Richmond ... 415 



METEOROLOGY — WATER. 



Department of meteorology and climatology. Church, jr 415 



Can the rainfall be used in predicting the temperature? Stiinder 416 



Of forecasting the approximate winter rainfall for northern Victoria, Quayle. . . 416 



Meteorological observations at Massachusetts Station, Ostrander and Damon . . 416 



Report of station of agricultural climatology of Juvisy, 1909, Flammarion 417 



Changes in climate since the last glacial period in Germany, Arldt 417 



The fertilizing value of rain and snow, Shutt 417 



The constitution of water 417 



The genesis and function of the dew-pond, Gibson 417 



The dew fiction, Gibson 417 



Dew-ponds, Cox _. 417 



Bacteriological standards in water analysis, McWeeney 417 



Water analyses, Dinsmore 417 



The water supply of farm homesteads, Shutt 417 



Water supply for country homes, McVey 418 



Potable water supply for rural communities, Theunis 418 



Sterilization of polluted water by ultraviolet rays at Marseille, France 418 



Bacterial pm-ification of sewage waters, Mahieu •. 418 



Sanitation and sewage disposal for country homes, Davidson 418 



A new method of handling sewage sludge, Imhoff and Sa\-ille 418 



SOILS FERTILIZERS. 



Soils and fertilizers, Dietrich, Schaetzlein, and Stiff 418 



Use of photography in agronomy, and especially in study of soils, Schroeder... 418 



Soil classifications and adaptations, Hills, Jones, and Benedict 419 



Physical analysis of soils, Mitscherlich 419 



The mechanical analysis of soils in Buitenzorg, Java, Mohr 419 



Bibliography of North American geology for 1909, Nickles 420 



Mineral resources of Virginia, Watson 420 



General classification of Florida soils - 420 



Notes on the soil occurring in the Barren Jack irrigation scheme, Guthrie 420 



Report on the sand dunes of Ne\¥ Zealand, Cockayne 420 



The Demerara soil problem ._ 420 



Studies of the changes occurring in heated soils, Pickering 420 



Plant growth in heated soils, Pickering 421 



The moisture content of packed and unpacked soils, Shutt 421 



The contest for water between soil and seed, Miintz 422 



The nitrogen and humus problem in dry-land farming, Stewart 422 



The nitrogen and humus problem in dry-land farming, Stewart 422 



The humus acids of peat moss, Bersch 422 



The mineralogical significance of pot experiments, Samojlow 422 



