11 CONTENTS. 



METEOROLOGY WATER 



rage. 



Monthly Weather Keview, Vol. XXXIV, Nos. 5, 6 310 



Meteorology, Boname 311 



Meteorological observations at Ploti Experiment Station, Svolinsky 311 



Some facts about the weather, Marriott 311 



Weather forecasting from synoptic charts, Henry 311 



Kecently organized weather service for North Germany, Bornstein 311 



Cannonading against hail, Tabard 311 



Studies of annual precipitation of Continent of Africa, Fraunlterger 312 



Climatology of South Africa 312 



Present day climates in their time relation. Ball 312 



Cold waves and frost in the United States, Garriott 312 



The thermal anomalies < m the earth's surface, Ilojjfner 312 



Annual variations in the temi)erature of the earth's surface 313 



Apparent periodicity in yield of wheat for Eastern England, Shaw 313 



Law of sequence in yield of wheat for Eastern England, Shaw 313 



Report of the meteorological committee, Great Britain 313 



Work of chemical laboratory of Ploti Station, 1905, Welbel 314 



The value of pure water, Whipple 314 



Quality of water in Upper Ohio River basin and at Erie, Penn., Lewis 314 



Underground-water resources of Mississippi, Crider and Johnson 315 



Underground-water papers, Fuller 315 



Bibliographic review and index of underground-water literature, 1905, Fuller, 



Clapp, and Johnson 315 



Destructive Hoods in the United States in 1905, Murphy et al 315 



SOILS FERTILIZERS. 



Soils, Hilgard • 315 



The soil and its cultivation, Difiloth 316 



Soil survey field Iwok 317 



Alkali soils of the United States, Dorsey 317 



Analyses of soils, Juritz. 317 



Physical properties of sands and method of determination, Kuhler 317 



Contributions to our knowledge of composition of huuuis, Michelet 317 



Influence of long-continued rains on impoverishment of soils, Grandeau 317 



Erosion of soi', or washing away of our farms, Warfield 318 



Preservation and improvement of soils, Gallagher 318 



Soil moisture, Burns 318 



Moisture conditions of a loam soil under various crops, von Seelhorst 318 



Investigations of hygroscopicity of some typical Swedish soils, Nannes 318 



Soil temperatures at Norwegian stations, 1903-4, Holtsmark and Andersen . . . 318 



Solvent action of roots upon the soil particles. Hall 319 



The fallow in modern agriculture, Rhodin - 319 



Recent contributions to knowledge of moorland culture, von Feilitzen 320 



Culture trials of Swedish Moor Culture Society, von Feilitzen 320 



Plant culture and fertilizer trials in Northern Norway, Larsen 320 



Results of vegetation experiments in years 1901-1903, Prianishnikov 320 



Value of soil analyses for ascertaining fertilizer requirements, WeibuU 321 



Contribution to practical soil analysis, WeiliuU 321 



Relation of sodium to potassium in soil and solution cultures, Breazeale 321 



Deficiency of potash from systems of fertilization in Belgium, Verstraete 322 



Loss of nitrogen from nitrate of soda, Stoklasa, Jelinek, and Ernest 322 



Natural losses of nitrogen from soil and use of nitrate of soda, Grandeau 322 



Nitrification as studied In' means of drainage water, Hudig 322 



Study of nitrification in spoils by means of drair.age water investigations 323 



Role of organic matter in nitrification, M untz and Laiiie 323 



Investigations on intensive nitrification, INIuntz and Laine 323 



Niter and the national defense, jMiintz 323 



Nitrogen assimilating Clostridium, Pringsheim 324 



Bacteria of tubercles of leguminous plants, Kellermann and Beckwith 324 



Securing of nitrogen for agriculture in twentieth century, fstutzer 324 



Apparatus devised for utilizing nitrogen of the air, Neuburger 324 



The new Norwegian saltpeter industry 324 



Occurrence of sodium salts in Egypt, llughes 324 



The manufacture of ammonium sulphate in Belgium 325 



Crude ammonia, Bergeron 325 



