n CONTENTS. 



Page. 



Methods of determining the dry-matter content of roots, Kristensen 806 



Estimation of the doughing value of Hour, Besson 806 



A new method for saccharose in the presence of other sugars, JoUea 800 



Contribution to the examination of molasses, JoUes 806 



In regard to apple maimalade and jelly, Pellet 807 



Detection of fusel oil in brandy, Ilerzog 807 



Determination of lactose in milk, Vitoux 807 



The peroxydase of cows' milk and its detection, Nicolas 807 



Refractometric milk examination, Kiihn 807 



In regard to the origin of ammonia in milk, Marcas and Huyge 807 



Commercial tests for moisture in butter, Larson 808 



Estimating coconut oil and butter in butter and margarin, Revis and Bolton. . 808 



Examination of Shrewsbury and Knapp's process for coconut oil, Ross et al. . . 808 



A method for the determination of butter fat in ice cream, WTiite 809 



A new method for fat and fatty acids in feces, Folin and Wentworth 809 



A clinical method for uric acid in blood, Roethlisberger 810 



Methods for the examination of bituminous road materials, Hubbard and Reeve 810 



[Report of the department of chemistry], Jacobson 810 



Report of the chemist. Withers 810 



Filtration of cloudy vinegars through infusorial earth, Wiistenf eld 810 



METEOROLOGY — WATER. 



Application of meterological data in study of physiological constants, Price . . . 810 



Alaska's climate, Georgeson 810 



Meteorology, Edmiston 811 



Meteorological notes, Price 811 



Meteorological, magnetic, and seismic observations, Habana, 1910, Gangoiti. . . 811 



Sixth annual report of the meteorological committee 811 



Variations in the English climate during the thii'ty years 1881-1910, Marriott. . 812 



British rainfall, 1910, Mill 812 



The nitrogen compounds in rain and snow, Shutt 812 



On the absorption of ammonia from the atmosphere. Hall and Miller 812 



Impurities in the atmosphere and effects on vegetation, Ruston and Crowther. 813 



Some stream waters of the western United States, Stabler 813 



Geology and water resources of central New Mexico, Meinzer 813 



Chemical and biological survey of the waters of Illinois, 1909 and 1910, Bartow. . 813 



The geochemical interpretation of water analyses. Palmer 813 



The treatment of drinking water with ultraviolet rays, Schwarz and Aumann.. 813 



SOILS — FERTILIZERS . 



The fixation of nitrogen in some Colorado soils, Headden 814 



Bacteriological studies of fixation of nitrogen in Colorado soils, Sackett 815 



The fixation of nitrogen by Bacillus radicicola without a legume, Fred 816 



The inhibition of nitrification by organic matter, Stevens, Withers, et al 816 



Bacterial content of soils from fields of corn and alfalfa, Waite and Squires 816 



Some observations on humus formations in the soil, Kravkov 817 



A contribution to the knowledge of the protozoa of the soil, Goodey 817 



Earthworms and soil fertility, Steglitz 817 



The soil and the plant, Russell 817 



Field operations of the Bureau of Soils, 1908 (tenth report), WTiitney et al 817 



Report on agriculture and soils of Kent, SuiTey, and Sussex, Hall and Russell. . 818 



Relation between granitic and gneiss soils 819 



Mechanical analysis and cartographic grouping of rocks and soils, Tumin 819 



Morphological types of soil formations, Tumin 819 



Classification of clays, Streunne 819 



Turkestan loess, Neustruev 819 



Examinations of soil samples, Lommel and Pauly 819 



Inferior soils in the Graf ton-Casino district, Anderson 819 



Soil studies in 1909, Brown, Mclntire, et al 820 



Studies in organic soil nitrogen, Lathrop and Brown 821 



Composition of grass lands contiguous to the fertilizer plats, Frear and Wliite. . . 821 



Phosphoric acid in soils and fertilizers, EUett and Hill 822 



Soil climate and the nitrogen and soluble phosphoric acid of the soil, Perotti. . 823 



The influence of lime and humus on soils, Thaer 823 



