n CONTENTS. 



Determination of total potassium in minerals, SchoUenberger 805 



Carbon dioxid : Its volumetric determination, Bowser 805 



On the determination of carbon dioxid in soils. Bowser 805 



Determination of sulphuric acid in the soil, De Sornay 805 



Report of committee of the fertilizer division. Carpenter et al 806 



Methods of organic analysis, Sherman 806 



Allen's commercial organic analysis, edited by Davis and Sadtler 806 



A modified Wiley extraction apparatus, Richardson and Scherubel 806 



New reactions for salicylic acid, Barral _ 806 



In regard to the macroscopic and microscopic detection of carotin, Tswett 806 



The detection of adulterations by colloidal chemical methods, Marriage 806 



A method for the determination of starch in food products, Price 807 



Determination of nucleic acid in the flesh of mammalia, Scala 807 



Composition of dry gluten and its relation to protein content of flour, Olson 807 



Contribution to the examination of flour, Kohn 808 



The Watkins test for determining the cause of sliminess in bread, Kiihl. 808 



Chemical differentiation of fermentation vinegar and A'inegar essence, Fincke . . 808 



Standards for malt vinegar. Chapman 808 



Determining hull content of cocoa by Goske method, Schmidt and Gorbing 809 



The detection of adulterations in paprika, von Sigmond and Vuk 809 



Artificial coloration of foods and condiments, Spaeth 809 



The modilied La "Wall method for sodium benzoate in catsups, McAbee 809 



Methods for determining the fat in milk, Rammstedt 809 



Detection of watered milk by Comalba's method, Bordas and Touplain 809 



A portable outfit for the determination of visible dirt in milk, Tonney 810 



Bacteriological and biochemical methods for judging milk, Schroeter 810 



The catalase and reductase tests for the examination of milk, Geudens 810 



The Schardinger reaction of cow's milk, Romer 810 



The effect of cooling milk on the Schardinger reaction, Burri and Schmid 810 



Behavior of sterile and boiled milk with rennet and acid, Rreidl and Lenk 810 



The action of rennet on milk, Niereustein and Stubbs 810 



Investigations in regard to the hemoh'tic action of cow's colostrum, Kobele 811 



In regard to milk hemolysis, Schmidt 811 



Viscosimetric studies on human milk, Basch 811 



A small contribution from dairy laboratory practice, Siegfeld 811 



Detection of iron in cheese curd, Scherer 811 



Detection of h-on in cheese curd, Siegfeld 811 



Determuiation of moisture and fat in cheese, Luhrig and Nockmann 811 



Method for determining salt and fat, Shaw 812 



The adulteration of butter, Eloire 812 



Methods of detecting adulterations in butter, Robin 812 



Determination of fat in feed stuffs and seeds, Monhaupt 812 



A method for differentiating sterilized from unsterilized bone meal, Polenske. . 812 



Behavior of invert sugar in an alkaline solution and in hydrogen peroxid, Jolles . 812 



The double polarization method for sucrose and direct polarization, PeUet 812 



Gravimetric determination of saccharose, Wechsler 813 



The inversion of saccharose by bees' honey, Achert 813 



Inci-usting coloring matter of sugar cane, Langguth-Steuerwald 813 



The Andrlik method of polarization as applied to cane products. Pellet 813 



In regard to determining the acidity of cane juice, Yoder 814 



Some recent work on molasses analysis, Cross 814 



The determination of nitrogen in betain, Stoltzenberger 814 



Extraction of oil from the olive, Mingioli 814 



Methods for hard and total soft resins in the hop, Tartar and Bradley. 814 



Detection of methyl alcohol in commercial alcohol preparations, Hellriegel. . . 815 



Activities of the agricultural experiment station at Hildesheim, Aumann 815 



METEOROLOGY — WATER. 



The structure of the atmosphere in clear weather, Cave 815 



Bulletin of the Mount Weather Observatory 816 



Monthly Weather Review 816 



The action of forests on late frosts, Cuif ;.•■■■ ^^^ 



Distribution of the temperature at various heights during frosts, Koslovskii — 816 



Variation of rainfall with altitude, McAdie 817 



Rainfall in tropical areas and variations during moon's phases, White 817 



Measurements of evaporation from lakes, Fischer 817 



