n COM TEN IS. 



/ 



Pago. 



Rapid imalysis of buttor: Estimation of noufats, Isnard 505 



Extraotiou of utnitral fat.-' from ripo sshoop's milk iliooso, Inli-diiy 505 



Dotormination of uus;\i>ouiliabU> matter in oils and fats, Salomon 50G 



Ivioo oil and rioo fat. 1 hividsohn - 506 



Estimation i>f hydrooyanio aoid in fotHling stuffs and its occiirronce, l*\irlong. . 506 



SolvtMits omployod in" tho dotormination of hop-bittor constituonts, Scibrij;;or.. 507 



Mothod for quautitativo dotormination of rosins in hops, \Vin,y;o and Jonson — 507 



Employment of artilioial lij^ht in titration of tlio resins in lio]>s, l.ai-sen 507 



Chemistry of tobaoeo. Tho essential oil of tobacco, Halle tuid Pribram 50S 



MKTKOKOl.OOY. 



Modern metliods in meteorology, Fontsero y lliba 50S 



ClimatoU\s:ioal data for the l" nited States by sections 508 



Annual report of the Iowa Weather and Crop Service for 1914, Chappell 508 



Tho weather of tho past airricultural vear", Brodio 508 



The weather of IDl 4. Gilcluist ". 509 



The weatlier of Scotland in 1914, Watt 509 



Metwroloirical observations in Moscow during 1913-14, Loyst 509 



Meteorological observations 509 



On the climate of the priivcipal rubber-producing countries, Van Bemmelen... 509 



Temperature in cultivated and uncultivated soil, Gilchrist 510 



The rains of tlie ^ ile basin and tho N ile tlood of 1912, Craig 510 



SOILS — FERTIUZERS. 



Soils of the eastern coal field, Jones 510 



Soil survey of Webster County, Jones 5 10 



Soil survey of the Marrs farm, Jones 511 



Soil surveys of Hartford, Madisonville, and Central City quadrangle, Jones 511 



Soils of Meade and lireckinridge fCouuties], Jones 511 



Soils and agriculture of the southern New York highland region, Fippin 511 



Soils from the East Africa Protectorate 512 



On rubber soils, Mohr 512 



Tho acidity of Malavan soils, Barrowcliff 512 



Tho inundation of tlie valley of the Yser, Barois '. 512 



Agricultural chemistry and vegetable physiology. Miller 512 



Soil problems. Leather 513 



The movement of soluble salts with the soil moisture, Harris 513 



The role of colloids in agricultural soil, den Porger 513 



Some data on the question of the form of nitrogen in the soil, Shmuk 513 



Soil bacteriology, Hutchinson 513 



Protozoa in relation to tho factor limiting bacterial actiWty in stiil. Goodey. . . 515 



The bioloirical absorption of phosphoric acid in the soil, Pusliechkin 515 



Comparative effect of phosphates and sulphates on bacteria, I'red and Hart . . . 515 



A new case of unproductivcncsvS in sxig-ar-cano soils, l.edeboor and Perkhout. . . 516 



A practical way to supply plant food to our soils, Jones 516 



The compi^^sition and value of farm manures. Jensen 516 



Experiments with barnyard miuiure at Darmstadt, Wagner 516 



Bat £ruani>s, Gilo and Carrcro T 517 



Fertilizer expermieuts on tho red clav soil, Gile and Carrero 517 



Drill fertilizing, Tacke ' 517 



Production of nitrates from air. with a new electric furnace, Scott 517 



Potassium from the soil. Hopkins and Aumcr 517 



Salines in the Owens. Setvrles. and Panamint basins. California, Gale 518 



German pot;ish situation, lay 518 



The phosphate deix>sits of South Carolina. Rogers 518 



Solubility of the dilTerent constituents of slag!^ Sirot and Joret 519 



The solubility and ixssimilability by plants of superphi>sphate. Kosso\'ich 519 



A new theory reg-arding the feeding power of plants, Truog 519 



Chlortvis of sugar cane. Gile and Carrero 519 



lime-induced chlorosis. Gile and Carrero 520 



The puritication of waste liquors from paper mills, Kershaw 520 



Commercial fertilizers. Jones, Jr. . et al 520 



Analvses of commercial fertilizers. Wessels et al 520 



