n CONTENTS. 



M ETEOKOLOG Y W ATER. 



Page. 



Progress of science as illustrated by development of meteorology, Abl)e__ 211 



New problems of the weather, Moore. Humphreys, and Fassig 211 



Cloud-bm-sts. so-called. Wells 211 



The why of the weather. Watts 211 



Monthly Weather Review. Vol. XXXV, Nos. 5, 6 211 



Meteorological observations, Ostrander and Barry 212 



Meteorological report for year ending December 31, 1905, Smith 212 



Swedish meteorological observations, 190G, Hamberg 212 



Rainfall observations 212 



Science of the air with respect to ventilation, Hoskius 213 



The atmosphere of towns, Heuriet 213 



The activity of air and spring water. Henrich 213 



Sanitary engineering with respect to water supply, Vernou-Harcourt 213 



The value of pure water. Whipple 213 



State water survey of Illinois 213 



SOILS FERTILIZERS. 



The use of soil surve.vs, Bonsteel 214 



Reclamation of white-ash lands at Fresno. California, Mackie 214 



Reclamation of alkali land in Salt Lake Valley. Utah, Dorsey 216 



Reclamation of alkali soils at Billings, Montana, Dorsey 21(5 



Texture of Massachusetts soils. Stone and Monahan 216 



Does the northern forest dry the soil? Kravchinskii 217 



Root action and bacteria. Russell 217 



Progress of the inoculation experiments. Flnlayson 217 



On the question of nitrogen fixation in cultivated soils, Lohnis_ 217 



The present status of the nitrogen problem. Woods 217 



On the liming of beech moorland, Miiller and Weis 217 



Losses in making and storing farmyard manure. Wood 218 



Sampling liquid manure and storage in cisterns, Hansen and Christensen. 218 



Green manuring, Trunz 218 



Suitability of vegetation method for determination of fertilizer require- 

 ments of soils, Sazanov 218 



Report of cooperative fertilizer trials, 1906, Bolin 219 



Experiments with precipitated calcium ]ihosphate, IIL Siklerbaum _^ 220 



Can availability of bcme-meal phosphoric acid be increased by ammonium 



sulphate? Bfittcber 220 



I'he action of heavy appllcati(ms of ammimiuni sulphate. Stutzer 220 



Ct)mi)arative fertilizer trials with new nitrogenous fertilizers, Rhodin 220 



New nitrogenous fertilizers, Guilliu 221 



Synthetic calcium nitrate, I'asserini 221 



Products from alkaline earth carbonates, charcoal, and nitrogen, Kiihling, 221 



The system, linie, nitric acid, and water, Cameron and Robinson 221 



Physiological action of dicyanamids as fertilizers. Perotti 221 



Storage of calcium cyanamid. von Feilitzen 221 



The Stassfurt salt industry. Rlasdale 221 



Cotton-seed meal as a fertilizer. Jenkins and Street 221 



The valuation of ground lish , 222 



Utilization of refuse liquid from beet sirup. Klein 222 



Report of division of fertilizers and fertilizing materials, Goessmann 222 



Analyses of fertilizers, spring season 1907, Kilgore 222 



Fertilizer analyses, fall, 1906, and spring, 1907, Kilgore 222 



Analyses of commercial fertilizers, Hardin et al 222 



The legal regulation of the fertilizer trade in Austria 222 



AGRICULTURAL BOTANY, 



Injury to vegetation and animal life by smelter fumes, Haywood 222 



An investigation of the injurious ingredients of smelter smoke. Ebaugh___ 223 



Alkali studies. VI. Knight and Moudy 224 



The intluence of magnesium sulphate on seedlings, Burlingham .- 224 



The presence of organic silica in plants. Takeuchi 224 



The bacterial flora of the soil and its importance for agriculture, Weis___ 22.5 



Relation of plant growth to root space, Kumakiri 225 



Production of cultivated plants inured to drought, 1, Kolkunov 225 



