n CONTENTS. 



A new method for determiBing 8up.r in potatoes, Claassen 412 



Coloration of reagents by cow's miDs in presence of hydrogen peroxid, Nicolas.. 412 



Modifications of the Robin process for butter analysis, Marion .413 



On available sugar and a system of control in the boiling house, Deerr. . . 413 



Chemical technology of fats, oils, waxes, etc., Stiepel 413 



Oils and fats of vegetable origin produced in British India, Hooper 413 



The hydrogenation of oils, Ellis 413 



Progress made in the field of tobacco chemistry, Kissling 413 



The preparation of potato flakes, Parow 414 



Wine making. Ventre 414 



Influence of clarification on chemical composition of wines, von der Heide 414 



Reports of school for wine manufacture and fruit culture at Klostemeuburg 414 



Utilization of the solid residue of grapes, De Saporta 414 



The manufacture of alcohol from the nipa palm in the Philippines, Cavel 414 



METEOROLOGY — WATER. 



Crop safety on mountain slopes. Alter 414 



Some useful weather provert)8, Humphreys 414 



The commercial weather map of the United States Weather Bureau, Heiskell. . 414 



Meteorological observations at Massachusetts Station, Ostrander et al 415 



Climatic data, SchoUander and Whitcomb 415 



The climate of San Francisco, McAdie 415 



The rivers and floods of the Sacramento and San Joaquin watersheds, Taylor. . 415 



Salton Sea water, Vinson and Catlin 415 



Close proximity of black alkali and calcium sulphate waters, Vinson and Catlin . 415 



Sterilization of water by ultraviolet light, Davies j». 415 



SOELS — FERTILIZERS. 



The question of the origin of the loess, Merzbacher 415 



Distribution of humus in California soils, Loughridge 415 



The soils and other surface residual materials of Florida, Sellards 416 



The soils of Mississippi, Logan 416 



Truck soils of the Atlantic coast region, Bonsteel 416 



Investigations on soil fertility in Texas, Fraps 416 



Soil tests, Goldsmith 416 



Observations on agricultural soils of southern Italian Somaliland, Principi 416 



The influence of soil variation on crop production. Wilder. . ._ 416 



The soil water as affected by cultivation and manuring, Harrison et al 416 



Effects of cultivation and manures on the experiment fields, Harrison et al 417 



Observations on soil inoculation, Lipman _. 417 



Influence of humus as well as carbon dioxid fertilizing on plants, Hiltner 417 



Fixation of nitrogen by alumina and carbon, Tucker and Read 417 



Ail' nitrate, Brion 417 



Phosphorus in turnips as influenced by amount available, Hartwell 417 



Observations on bone meal as a phosphatic fertilizer, Schuize 418 



An available type of raw phosphate, fakushkin _. 418 



Preparation of superphosphate with waste sulphuric acid, Kochetkov 418 



Utilization of sodium bisulphate for preparation of phosphates, Kochetkov 418 



Preparation of double superphosphate with sodium bisulphate, Kochetkov 418 



Action of iron sulphid and phosphorite, Gal'tsev and lakushkin 419 



Possible sources of potash in the United States, Cameron 419 



Effect of sodium manuring on composition of plants, Hartwell and Wessels 419 



Inspection of commercial fertilizers, Mumford and Trowbridge 420 



Analyses of licensed commercial fertilizers, 1913, Woll 420 



Manures and feeding stufis: Compensation under the Scotch acts, Milne 420 



AGRICULTURAL BOTANY. 



The living plant, Ganong 420 



The cause of growth in plants, II, Borowikow 420 



Influence of different substances on germination and plant growth, Bokomy . . . 420 



Frost and light as factors in seed germination, Kinzel 420 



Influence of endosperm on the development of the embryo, Dubard and Urbain . 420 



Formation of anthocyan pigments of plants, — IV, The chromogens, Keeble et al . 420 



