n CONTENTS. 



Page. 



Use of sodium citrate for determination of reverted phosphoric acid, Bosworth. 714 



A new method for determining nicotin in the presence of ammonia, Spallino. . 714 



Estimation of nicotin in the fonn of silicotungstate, Spallino 714 



The occiurrence of nicotinic acid in rice bran, Suzuki and Matsunaga 714 



Presence of barium and arsenic in tobacco, Spallino 715 



Effects of cooking conditions in producing soda pulp from aspen, Surface 715 



METEOROLOGY — WATER. 



International catalogue of scientific literature. F — Meteorology 715 



Weather and water, Hoffmann 716 



Influence of forest cover upon local climate 716 



Influence of forest cover upon local climate, Morgan 716 



Relation of forests in Atlantic plain to humidity of Central States, Zon 716 



Restraining effect of forests on sudden melting of snow, Church, jr 716 



A method of estimating rainfall by the growth of trees, Douglass 716 



Distribution of drought, Eredia 716 



Is the earth drpng up? 717 



Changes in the' distribution of temperature during 1900 to 1909, Arctowski. . . . 717 



The climate of Duluth, Minn., Richardson 718 



A summary of meteorological records, Ostrander 718 



Meteorological observations at Massachusetts Station, Ostrander and McLain . . 718 



Weather report. Day 718 



Notes on the water of cranberry bogs, Morse 718 



Bacillus coli in water supply. Race 718 



SOILS — FERTILIZERS. 



Soil management. King 719 



Guide to the scientific study of soils, Wahnschaffe and Schucht 719 



Types of soil formation, their classification and distribution, Glinka 719 



Quantitative mineralogical analy.sis of sandy soil, Vendl 719 



The inorganic composition of some important American soils, Robinson 719 



A colluvial soil and its people, Emerson 720 



Occurrence of manganese in Kentucky soils and its significance, Shedd 720 



Report of the state agricultural chemist, Phillips 720 



Efficiency of soil constituents as semipermeable membranes, Lynde and Dupre . 720 



A new method of measuring the capillary lift of soils, Lynde and Dupr^ 720 



Theory of antagonism of salts and its significance in soil studies, Lipman 721 



The deix)sits in drainpipes in drainage of swamp soil, Tacke 721 



Some effects of clearing grass land by burning, Quisumbing and Ocfemia 721 



Mobilization of soil phosphoric acid under influence of bacteria, Severin 721 



Enriching of soils in nitrogen by aerobic micro-organisms, Krainskii 721 



Influence of organic substances on nitrification and denitrification, Barthel. . . 722 



The course of nitrification in fallow soil, Velbel 722 



Green manuring experiment, 1912-13, Hutchinson and Milligan 722 



How to improve our heavy clay soils, WTiitson, Delwiche, and Musback 723 



Ways of improving our sandy soils, \\Tiitson, Sievers, and Ullsperger 723 



Dry farming in Washington, Thom and Holtz 723 



Soils, Hoffmann 723 



Fertilizers and fertilizing, Hoffmann 723 



Outline of the function and use of commercial fertilizers, P'ippin 723 



Fertilizers in Central America, Van der Laat 723 



Fertilizer for south China, Carleton 723 



Absorption of fertilizer salts by Hawaiian soils, McGeorge 723 



Soil tank experiments, Collison 723 



Nitrification of organic manures, Paterson and Scott 723 



On the composition and value of bat guano, Miller 724 



The origin of nitrate deposits, Ross 724 



Growth in Chilean nitrate industry, Winslow 724 



Ammonium sulphate and sodium nitrate in 1913 725 



Recent increase in production of lime nitrogen, Kubierschky 725 



Lime nitrogen and its use, Schulze 725 



Solubility of nitrogen compounds of lime nitrogen in water, Manuelli 725 



Transformation of calcium cyanamid into ammonia, Manuelli 725 



The origin, mining, and preparation of phosphate rock, Sellards 725 



