II CONTENTS. 



M ETEOROLOG Y W ATEB. 



Page. 



Some world's weather problems, Lockyer 711 



Certain problems of the hydrosphere and atmosphere. Chamberlain 712 



Equilibrium between carbon dioxid and calcium solutions, Stieglitz 712 



Weather and crop yield, Smith 712 



Law of sequence in yield of wheat for eastern England. Shaw 713 



Weather charts and their utility to the Indian agriculturist. Dallas 713 



To-morrow's weather: How it is foretold, Willey 713 



The weather 714 



The cliuK'.te of extreme southern Texas, Cline 714 



Climatological conditions and agriculture in Cu"ba, Carbonnell 714 



Climatological data for the year 1903 714 



Meteorological observations at Wisley in 1905, Curtis 714 



Meteorological division, Lyle 714 



Meteorology of the year 1900, Derome 714 



iCesuIts of meteorological observations at Wiesbaden in 190.5, Lampe 714 



Climate of Itostoclc with reference to harmonic analysis, Loewenthal _ 714 



Meteorological elements of the Island of Poel, Breudel 714 



Amount and origin of the ammonia in the eruption of Vesuvius, Stoklasa^ ^4 



Hail, Scharf___l 715 



Notes on water softening, Collins 715 



Purification of muddy waters, Gauducheau 715 



I'urification of municipal water supplies, Williams 715 



Ideals concerning municii)al water supplies, Russell 715 



Copper sulphate treatment of water supplies, Kellerman 715 



Futility of sanitary water analysis as test of potability, Leighton 715 



Hygiene of drinking water, Smalakies 715 



Bacteria of dairy wells and typhoid, Kellerman and Beckwith 716 



Shall pollution of Michigan streams be permitted'? I.eighton 716 



Bacterial contamination of streams and oyster beds, Digby and Shenton_- 710 



Public water supplies, sewage disposal, and stream pollution 716 



Farming for sewage purification. Brown 716 



SOILS FERTILIZERS. 



Soils; how to handle and improve them, Fletcher 716 



The soils of Iowa, Stevenson 716 



On moor culture, von Feilitzen 716 



The sand dunes of the desert of Islay 716 



The decomposition of the feldspars, Cushman and Hubbard 717 



Available phosphoric acid in soils, Hofman-Bang 717 



Acid soils, Knisely 717 



Results of experiments on the liming of soils, Patterson 718 



Lysimeter experiments. Eckart 718 



Apparent secular change in the Rothamsted di-ain gages. Russell 720 



Chemical and bacteriological soil studies. Remy 720 



Methods of bacteriological investigation of soils. III, Lohnis and Parr 720 



OceuiTence and distribution of Azotoliactcr cliroococcnm, Chrlstensen 720 



Assimilation of atni()si)iierie nitrogen by Asotobacter cliroococcnm, Ashby_ 721 



Nitrogen bacteria, Fischer 722 



Can fungi fix the free nitrogen of the air? Heinze 722 



Studies on nitrogen fixation in cultivated soils, Schneider 722 



Some observations on nitrification, Ashby 722 



A new denitrifying bacterium from goat manure, Ilohl 723 



Seed and soil inoculation, Ilayman 723 



Soil inoculation i 723 



Soil inoculation for leguminosiie 723 



Industrial fixation of atmospheric nitrogen, Ragondet 723 



Fixaticm of nitrogen by electro-chemical means. Ingle and Evans 723 



Arrangement of electrodes for electric ovens, Birkeland and Eyde 723 



Utilization of atmospheric nitrogen for agricultural pur])Oses 723 



What is the pi-actic.nl value of the new nitrogen fei'tilizers? Alexander 723 



Future supply of combined nitrogen, Zeisel ^ 724 



Pot experiments on the action of lime nitrogen. Stutzer 724 



Technical ))robleni of nitrates, Ilostelet 724 



Artificial production of nitrate of lime, Kershaw 724 



