II CONTENTS. 



Page. 



The use of the quantitative precipitin reaction for examining honeys, Thoni 505 



In regard to the analysis of honey, Armani and Barboni 506 



Reaction for detecting nitrites, Armani and Barboni 506 



Analyses of chocolates, cacaos, and milk chocolate _. 506 



Depression of freezing point of vinegar as a control of composition; Silverman . . . 506 



The differentiation of natural and artificial fruit ethers, Landolt 506 



Caution as to testing for saccharin in foods and beverages, Comanducci 506 



The colormg of food products, Muttelet 506 



Artificial coloring of food materials 506 



Quantitative separation of mixtures of certain acid coal-tar dyes, Mathewson . . . 506 



Determination of fat in feeding stuffs with trichlorethylen, Neumann 507 



Comalba's rules as to the constancy of the soluble milk constituents, Hoft 507 



Significance and practical value of the methods for examining milk, Lenzen 507 



In regard to determining the dirt content of milk, Serger 507 



Determination of catalase in milk, Jiiggi and Thomann 507 



Reduction of nitrates by the perhydridase-aldehyde-water system. Bach 507 



A reaction for differentiating woman's and cow's milk, Tugendreich 507 



Application of miscibility curves to analysis of butter, margarin, etc., Louise. . . 508 



Butter adulterated with acetin,Tarugi and V em engo ' 508 



In regard to Halphen's reaction, Gastaldi 508 



The refractive index of beeswax, Feldstein 509 



Determination of citric acid, Pratt _ 509 



A modification in the determination of malic acid, Pratt 509 



Determination of formaldehyde by ammonia method, Beythien et al 510 



Quantitative determination of formic acid, Franzen and Egger 510 



The testing of creosote. Sage _. 510 



In regard to determining nicotin in tobacco extracts. Leister 510 



Tobacco extracts and their value, Schroder .^ 511 



The detection of nitrates and nitrites in water, Deniges 511 



Determination of sulphur, Anelli 511 



The technic of precipitating with phosphotimgstic acid, Wechsler 511 



Determination of chlorids, chlorates, and perchlorates in mixtures, Marqueyrol. 511 



A new form of extraction apparatus, Francis 511 



Sorghum sirup manufacture, Bryan 512 



The "graisse " sickness of ciders, Kayser 512 



Viticulture and cellar operations in wine manufacture, von Babo and Mach 512 



The use of sugar beets for the production of alcohol, Antal 512 



The drying of copra, Dommes 513 



Method for extracting turpentine, Lapasse 513 



METEOROLOGY — WATER. 



Agricultural meteorology and weather forecasting, Klein 513 



Veather wisdom in agriculture, Dunlop 513 



As 



^\^ .. , . 



Temperature departures in the United States, January, 1873, to June, 1909 513 



Meteorological summaries for the year 1909 514 



Meteorological summary for the year 1910 514 



Frost and temperature conditions in the cranberry marshes of Wisconsin, Cox ... 514 



Ammonia in rain and snow with the Charcot expedition, Miintz and Laine.. 515 



Hail insurance in certain coim tries and its problems 515 



Surface-water supply of the Missouri River basin, 1909, Lamb et al 515 



Analyses of mineral waters, Averitt and Shedd 515 



Recent methods of sewage clarification and sludge treatment, Kuichling 515 



[Sewage disposal in Glasgow] McCimn 516 



SOILS — FERTILIZERS. 



Soil and climate of very small areas, Kraus 516 



The data of geochemistry, Clarke 517 



Soils of the eastern United States and their use, XXVI-XXVIII, Bonsteel 517 



Clay County soils, Hopkins et al 518 



Moultrie County soils, Hopkins et al - 518 



A geological and agronomical study of the oolitic deposits of Yonne, Brioux 519 



Determmation of colloids in cultivated soils, Konig, Hasenbaumer, and Hassler. 519 



The treatment of soils with a strong constant electric current, Konig et al 520 



Bacteria of frozen soils, II , Conn 520 



The present status of soil inoculation, Kellerman 520 



