n CONTENTS. 



Page. 



The composition of milk and its serum, Bremer et al 505 



Influence of boiling on woman's milk, cow's milk, and buttermilk, Grosser. . . 505 



The biologic differentiation of milk proteins, Kleinschmidt 506 



Biological method for judging the quality of milk, Paraschtschuk 506 



Microscopical method for judging the micro-organism content of milk, Rosam. 507 



About the detection of boiled and raw milk, Balazs 507 



Romer's work on Schardinger's reaction of cow's milk, Rullmann 507 



Alteration of milk preserved with potassium bichromate, Hinard 507 



Detection of nitrates in milk samples treated with bichromate, Dos Santos 508 



The various methods for determining the moisture content of butter fat, Konig. 508 



The detection of preservative in fats (butter, margarin, lard), Vollhase 508 



Estimation by Hehner and Mitchell's method, Heiduschka and Berger 508 



Estimation of solid fatty acids by Hehner and Mitchell's method, Serger 508 



Examination of fats, oils, and varnish for technical purposes 509 



Bromometric determination of formic acid, Mader 509 



Activities of state chemical laboratory at Goteborg, Sweden, in 1912, A16n 509 



Cixiing meat on the farm, Gray 509 



METEOROLOGY — WATER. 



Brief list of meteorological text-books and reference books, Talman 509 



The climatic factor as illustrated in arid America, Huntington et al 509 



Climatic changes, Huntington 510 



Meteorological conditions of an ice sheet and bearing on desiccation, Brooks. . . 510 



Recent studies of snow in the United States, Church, jr 510 



Effect of snow and ice on the temperature of the air, Johansson 511 



The radium emanation in the atmosphere and its variation, Wright and Smith 511 



The rainfall of Rhodesia, Goetz 511 



Rainfall, reservoirs, and water supply, Binnie 511 



Water resources, Sherzer 511 



Surface water supply of the North Atlantic coast basins, 1912, Babb et al 511 



Surface water supply of the Ohio River basin, 1912, Horton et al 51 1 



Surface water of upper Mississippi and Hudson Bay basins, 1912, Horton et al . 512 



Surface water supply of Lower Mississippi River basin, Follansbee 512 



Surface water supply of western Gulf of Mexico basins, 1912, Follett et al 512 



Clean water and now to get it, Hazen 512 



The mechanical filtration of moorland water supplies, Del^pine 512 



Sterilization of water by filtration, Charitschkoff 512 



SOILS — FERTILIZERS. 



Field operations of the Bureau of Soils, 1911, Wliitney et al 512 



The white soils of the Bram and Reinhard forests, Vogol von Falckenstein .... 513 



The origin of the red soils of diluvial times, Blanck 513 



Rutherglen Experiment Farm. — Report, 1913, Richardson 513 



Methods for soil investigation, Albert and Bogs 514 



The physical properties of soils. Kopeck^ 514 



The absorptive power of soils, Rohland 514 



Nature of drougnt according to evidence of Odessa field, Rotmistrov 514 



Forests and floods, Aitken 515 



The chemistry of the soil: The evolution of acid amins, Chardet 515 



Effect of soluble humates on nitrogen fixation and plant growth, Bottomley . . 516 



Nitrification in pasture soils, Gimingham 516 



Investigations on the protozoa of soil, Goodey 516 



Improvement of swamp land in Finland by addition of sand, Rindell 516 



Greater profits from land, Drysdale 516 



New views on fertilization 516 



Fertilizers, fimgicides, and insecticides, Pluvinage 517 



Chemical fertilizers in the Canary Islands, Brett 517 



Identification of commercial fertilizer materials. Fry. 517 



Experiments in fertilizing with stable manm-e, von Liebenberg 517 



Guano and national agiiculture, De Lavalle y Garcia 517 



Peruvian output of guano 517 



The seaweed industry of P'rance, Osborne 517 



New sources of nitrogen, Gilchrist 517 



Synthetic ammonia by the Serjjek method, Herre 518 



