n CONTENTS. 



METEOROLOGY, 



Page. 



The organization of the Meteorological Office in London, Shaw 319 



The practical value of long-period rainfall observations, Bennett 319 



Precipitation and yields of crops, KrQger 319 



The relation of rainfall to the depth of water in a well, Smith 319 



Correlation of the influence of climate on temperature in soil, Boussinesq 319 



The theory and practice of frost fighting, McAdie 319 



The temperature and precipitation of British Columbia, Connor 320 



The weather of the year 1912 in Hertfordshire, Hopkinson 320 



The weather of the year 1913 in Hertfordshire, Hopkinson 320 



The climate of Hertfordshire, Hopkinson 320 



Annual rainfall of Scotland and the limits within which it fluctuates. Watt 320 



Rainfall and vapor tension in western and equatorial Africa, Chudeau 320 



SOILS — FERTTLIZEES. 



Soils, their properties and management, Lyon, Fippin, and Buckman 321 



Soil conditions and plant growth , Russell 321 



The question of soil mapping, Reuss 321 



Field operations of the Bureau of Soils, 1912, Whitney et al 321 



Soils of Franklin County, Jones 321 



The soils of Tennessee, Mooers. 323 



[Soil analyses]. Range 323 



Soils and agriculture of North Wales. Robinson 323 



The concentration of the liquid circulating in Libyan soils, Pantanelli 323 



Lithium in soils, Sleinkoenig 323 



Absorption of cations and anions by cultivated soil, de Dominicis 324 



Behavior of humic acid toward anions, Ritman 324 



Humus and humus-nitrogen in California soil columns, Loughridge 324 



The presence of proteoses and peptones in soils, Walters 325 



Effect of certain organic compounds on wheat plants, Upson and Powell 325 



A bacterial test for plant foncl accessories '^auximonesK Botlomley 325 



Soil protozoa and soil bacteria. Russell 326 



Soil fatigue and sterilization, Z )lla 326 



The control of soil washing, Miller 326 



The feeding of farm crops, Schneidewind 326 



Plant food and soil bacteria, Koch 326 



The conditions of complete action of fertilizers, Becker 327 



Row fertilizing, Tacke 327 



Providing Germany with plant food, Rassow 327 



Vegetation experiments with fertilizers, Schulze 327 



The nitrogen of processed fertilizers, Lathrop 327 



How can crops be grown without potash manures next year? Russell 327 



Possible sources of potash, Cresswell 327 



The potash situation. Hart 328 



A preliminary report on the feldspar and mica deposits of Georgia, Galpin 328 



The displacement of potash, Kochergin 328 



The destructive distillation of Pacific coast kelps, Hoagland 328 



Potash waste products containing magnesium chlorid. Stutzer and Haupt 328 



Phosphate rock and its utilization as a fertilizer, Wagguman and Fry 328 



The EUiston phosphate field, Montana. Stone and Bonine 329 



Some properties of phosphorites from Sengilei, lakushkin and Krivobokov 329 



Extraction of phosphoric acid from natural phosphates, I, Kazakov 329 



A special Uye of natural phosphate, lakushkin 330 



Preparation of enriched superphosphate wUh precipitated phosphate, Shvetaov. 330 



Palmaer's phosphate, Prianishnikov and lakushkin 330 



Welter's phosphate and its components, Uspenskli 330 



Influence of temperature in extraction of Thomas slag with citric acid, Holle.. 331 



The assimilation of reverted phosphoric acid by plants, Kochetkov 331 



The action of sulphur on plant production, Pfeitf er and Simmermacher 331 



The fertilizing action of sulphur on \ines, Zolla 331 



Experiments with the sulphate and carbonate of manganese, d'Ippolito 331 



Raaium fertilizer, Ramsey 321 



The radio-activity of spring water, Ramsey 332 



Activated sludge in America, Baker .' 332 



