II CONTENTS. tVol. 36 



Page. 



The preparation of phosphate precipitate, Shvetsov ; • • • ; 712 



The determination of phosphorus pentoxid after citrate digestion, Smith 713 



On the composition and solubility of acid calcium carbonate, Cavazzi 713 



Determination of water in plant substances, Lebedlantsev and Zalygin 713 



Method for the determination of galactose, van der Haar 713 



A thermostat for the flour-testinglaboratory, Bailey. 714 



Determination of hydrocyanic acid in string beans (haricots), Guignard 714 



Separation and identification of food-coloring substances, Mathewson 714 



A modification of Price's method for the separation of coal-tar dyes, Estes 714 



The determination of butter fat in margarins, Jorgensen 715 



Determination of water-soluble arsenic in lead arsenate, Gray and Christie 715 



An oxalate-iodid process for Paris green analysis, Peters and Fielding 715 



Analysis, pm-ification, and some chemical properties of agar agar. Fellers 716 



Analytical methods used in sugar chemistrj^, Saillard 716 



Solubility of calciiun sulphite in water and in sugar solution, van der Linden. . 716 



Sweet wines of high alcohol content without fortification, Cruess et al 716 



Preparation and conservation of fruit juices in the United States, Truelle 717 



The canning of fruits and vegetables, Zavalla 717 



The fruit-pulp industry, Blin 717 



Honey vinegar, Bartholomew 717 



Meat preservation on the farm, Marshall 717 



METEOROLOGY. 



Daytime and nighttime precipitation and their economic significance, Kincer. . 717 



Slope and valley air temperatures, Blair 718 



Anticyclones of United States and their movements, Bowie and Weightman. . 718 



Graphic method of representing and comparing drought intensities, Munger. . . 718 



Frequency curves of climatic phenomena, Tolley 718 



Monthly Weather Pveview 718 



CUmatological data for the United States by sections 719 



Meteorological observations at Massachusetts Station, Ostrander and Saunders. 719 



[Meteorological observations], Seeley 719 



SOILS — FERTILIZERS. 



Measurement of inactive moisture in soil by dilatometer method, Bouyoucos. . 719 



The soil solution, how it is obtained, its composition and use, van Zyl 720 



Methods of mechanical study of soils, Hissink 720 



Reconnoissance soil survey of San Francisco Bay region, Holmes and Nelson. . 721 



Soil survey of Grant County, Indiana, Hurst et al 721 



Soil survey of Starke County, Indiana, Grimes et al 721 



Soil siu^ey of Sioux County, Iowa, Smies and Bean 721 



Soil survey of Ripley County, Missouri, Hutton and Ivrusekopf 721 



Soil survey of Lamoure County, North Dakota, Anderson et al 722 



Soil sm'vey of Cambria County, Pennsylvania, Derrick et al 722 



A soil survey of the proposed Palouse Irrigation Project, Holtz 722 



Analyses of one hundred West Vii"ginia soils. Bear and Salter 722 



Reconnoissance soil surv^ey of northeastern Wisconsin, Whitson et al 723 



Reconnoissance soil survey of north-central Wisconsin, Whitson et al 723 



Soil survey of Columbia County, Wisconsin, Wliitson et al 723 



Soil survey of Jefferson County, Wisconsin, Whitson et al 723 



Notes on soils analyzed, Aston ' 723 



Soils and crops of Nova Scotia 723 



Terracing and drainage of hill soils by the "Kotak" system, Bleij 723 



The importance of soil ventilation on the alluvium, Howard 724 



Notes on the presence of nitrates in orchard soUe, Gourley and Shunk 724 



Effects of oxygen and COj on nitrification and ammonification, Plummer 724 



Cause of disappearance of coumarin, vanillin, pyridin, and quinolin, Robbins. . 725 



The formation of soda in the soil, Bobko 725 



Loss of fertilizers by leaching, Collison and Walker 725 



[Use of manures in Germany], Middleton 726 



Some effects of soluble humus on the growth of plants, Bottomley 726 



Availability of nitrogenous fertilizers in an arid soil, Lipman and Gericke. . . . 726 



Ammonifiatjility v. nitrifiabUity as test for availability, Lipman and Burgess. . . 726 



Technological-chemical research on superphosphates, Pratolongo 726 



The preparation of superphosphate from phosphorites, Koblikov 727 



