II CONTENTS. 



Page. 



Detection of calcium sucrate, etc., in milk and cream, Rothenfusser 513 



Catalase test for detecting pathological milk, Gabathuler 513 



Methods used for milk and dairy products, Barthel, trans, by Goodwin 513 



The determination of sucrose in cane molasses, Deerr 513 



Judging quality of sugar beets by their content of injurious nitrogen, Friedl 514 



Colorimetric method for estimating injurious nitrogen in sugar beets, Friedl. . . 514 



Methods and standards in bomb calorimetry. Fries 514 



Report of Swedish Moor Culture Association, von Feilitzen 515 



Vinegar and its making - - - 515 



The manufacture of vinegar from fermented sugar-beet juice 515 



The electrolytic oxidation of ethyl alcohol to acetic acid, Askenasy et al 515 



METEOROLOGY — WATER. 



The mechanics of the earth's atmosphere, Abbe 515 



Some relations of meteorology with agriculture, Mellish 516 



The classification of climates on a physiogeographical basis, Penck 516 



Is the air of mountains colder than that of the air at like altitudes? Hann 516 



The action of kainit and carnallite in preventing frost, Grohmann 516 



The fight against hail, Guillon - 516 



Meteorology, Edmiston 516 



Meteorological investigations in Surinam and Curasao, 1909 517 



Rainfall over South Africa, Innes 517 



The relative value of irrigating waters, Stabler 517 



The interference of wells, Clapp 517 



Improvement of water for dairies, Giinther 518 



Ultraviolet rays and the sterilization of water, Oourmont 518 



Does water sterilized by ultraviolet rays contain peroxid? Courmout et al 518 



The chemistry and bacteriology of sewage purification, Sommerville 518 



Sludge disposal, Easdale - 518 



SOILS — FERTILIZERS. 



Soil fertility as affected by long use of fertilizers. Brown and Maclntire 518 



Relations between soil fertility and the phosphoric acid, Pouget and Chouchak . . 519 



The absorption of phosphoric acid in soils by plants, Pouget and Chouchak 519 



The conservation of the fertility of the soil. Hall 519 



The conservation and utilization of our natural resources, Pratt 520 



A preliminary study of chemical denudation, Clarke 520 



[Second annual repoit of Florida State Geological Survey, 1909] 520 



Bibliography of North Carolina geology and geography, Laney and Wood 520 



Soils of New South Wales, I, Jensen 521 



The alluvial soils of Gua, Marchetti 521 



The sand dunes of the Libyan Desert, Beadnell 521 



The meaning and value of the chemical analysis of soils. Watt 521 



Composition of grass land, including a study of soil variations, Frear and White. . 521 



The phenomena of flocculation and deflocculation , Free 521 



Report on soil temperature in connection with plats differently treated. Brown . . 522 



Influence of moisture upon yields of hay in 1908 and 1909, Brown and Maclntire. 522 



Effects of adding salts to the soil on the amount of nonavailable water, Bovie. . 522 



Carbon dioxid content of soils during different stages of growth, Barakov 523 



Nitrates in the soil, Headden 523 



The "acid soil" bugaboo, Bonsteel - 523 



A new viewpoint concerning the fertility of the soil, Sjollema 523 



The fertilizing influence of sunlight, Fletcher and Russell 523 



The American fertilizer handbook, 1910 523 



Average composition of farm and commercial fertilizers, Hoffmann 524 



Commercial fertilizers and their use in North Carolina, Williams 524 



Home mixed fertilizers 524 



Penetration of fertilizers in the soil 524 



Effects of long use of sodium nitrate and ammonium sulphate on the soil. Brown . 525 



The production of sulphate of ammonia in the year 1909, Atwater 525 



Effects of the new nitrogenous manures on potatoes and hay, Greig 525 



Present tendency of electrochemical industry with respect to calcium nitrate. . 525 



Air nitrate fertilizers, Mason 5-5 



Fixation of the nitrogen of the air by the Schonherr ])rocess, Pierron 525 



On the formation of calcium cyanamid, Foerster and Jacoby 525 



