n CONTENTS. 



Page. 



The canning of foods, Bitting 313 



Peach drying in Chile 313 



[Converting low-grade vinegar into good vinegar], Sackett 313 



Bacteria interfering with the malting process, Gtissow 313 



The oil industry in Algiers, Foussat 313 



Antiseptic effect of creosote and other oils for preserving timber, Weiss 314 



Maize straw; its use for the manufacture of paper and fodder, Domer 314 



The sugar content of maize stalks, Blackshaw 314 



The microscopy of certain paper pulps, Hanausek 315 



The microscopy of paper made from cane bagasse, Hanausek 315 



METEOROLOGY — WATER. 



Meteorology, Milham 315 



On the estimation of humidity in agricultural meteorology, Nerucev 315 



Bulletin of the Mount "Weather Observatory 316 



Monthly W^eather Eeview - 316 



The weather of the past agricultural year, Brodie 316 



The weather of Scotland in 1911, Watt 316 



The chemistry of rare rain 317 



The fertilizing value of rain and snow, Shutt 317 



Observations on the ground-water level, Vogen 317 



Report of progress of stream measurements for the calendar year 1910, Saunder. . 317 



The water supply of fann homesteads, Shutt 317 



Sterilization of drinking water by ultraviolet light, Courmont 317 



Purification of water by infusoria, Stokvis and Swellengrebel 317 



Sewage pollution of interstate and international waters, McLaughlin 318 



The Berlin sewage farms (43,009 acres), Roechling 318 



Imgation with sewage 318 



The struggle with sewage sludge, Naylor 318 



SOILS — FERTILIZERS. 



Soils of the eastern United States and their use, XXXVI-XXXVII, Bonsteel . . 319 



The soils of Prince George's Coimty, Bonsteel 319 



Has the fertility of land in India decreased? Coventry 319 



Modern soil investigations, Bjorlykke _ 320 



On the degree of consistency and stiffness in soils, Atterberg 320 



Corrections in physical science, Narayana Rao 320 



The moisture content of packed and unpacked soils, Shutt 320 



Soil tank investigations, Blair 320 



A study of alkali soils, Ladd and Johnson _. 321 



Plant food lost in drainage from uncultivated peat soils, von Feilitzen et al 321 



Regarding humus acids of Sphagnum turf, Oden 322 



The influence of carbon upon nitrification, Clark and Adams 322 



The present status of soil inoculation, Kellerman 322 



Azotogen, nitragin, and natural inoculating soil, Kiihn 322 



Azotogen, nitragin, or inoculating soil, Teisler 322 



Inoculation experiments with nitragin for legumes, Shutt 322 



Nitrogen enrichment of soils through the growth of clover, Shutt 322 



Increasing the ammonia fixing power of soils, Lemmermann and Fresenius 322 



The active potash of the soil and its relation to pot experiments, Fraps 323 



The feeding of plants with mineral matter through the leaves, Hiltner 324 



Cooperative fertilizer tests on clay and loam soils, Abbott and Conner 324 



The fixation of atmospheric nitrogen by the use of aluminum nitrid, Marre . . . 325 



Phosphoric acid fertilization and moor culture, von Feilitzen 325 



The fertilizing value of superphosphate, Klinkerfues 325 



The use of phosphatic fertilizers in France, Hitier 326 



The production of phosphate rock in 1911, Van Horn 326 



The business aspect of the kelp proposition, Dewey 326 



Potash lime, its preparation and use in agriculture, Moller et al 326 



Carriers of lime, Ames 326 



Sulphur as a fertilizer, Heraud 326 



Some results obtained from the use of catalytic fertilizers, Bertrand 827 



Argentina guano, Marotta 327 



Fertilizing value of sewage sludge at Madison, Wisconsin 327 



Commercial fertilizers, Jonea, jr., et al 327 



