II CONTENTS. 



METEOROLOGY WATER. 



Pag-e. 



Climatology of the United States, Henry 611 



Forty years of .southern New Mexico climate, Tinsley 611 



^yorld weather, Eliot ' 61! 



Monthly Weather Review, Vol. XXXIV, Nos. 9, 10 611 



Meteorological observations, Ostrander and Barry 612 



Meteorological sununary for l'.>()r», I'atton • g12 



Peruvian meteorology, 1S92-18'.)5, Bailey 613 



Meteorology, von Dadelszen 613 



Weather observation, Martin 613 



The meteorological service of the Kepublic of Mexico, Pastrana 613 



Resume of researches in the higher meteorology, Bigelow G13 



Storms and hail. Daguilhon-Pujol 613 



Thunderstorms and tlie moon, Hissink 613 



The sanitation of air, Meier 613 



Surface trajectories of moving air, Shaw and Lempfort 614 



Progress in the held of water investigations, Krauss 614 



Springs in limestone regions for drinking purposes, Schardt 614 



Contribution concerning purification of water by ozone, Rivas 614 



Control of water purification i)lants, von Cochenhausen 614 



A sand filter for the home, Fletcher 614 



SOILS FERTILIZERS. 



A treatise on rocks, rock-weathering, and soils, Merrill 615 



Studies on the soils of the third steppe, Alway and Gortner 615 



Maintaining the fertility of rice soils, Fraps 615 



Results of analyses of cultivated soils, Villasenor 616 



Protective action of colloids on clay soils, Fickendey and Tollens 616 



Nitrogen compounds in cultivated soils, Pfeiffer and Ehrenberg 617 



Nitrogen comjxiunds in cultivated soils, Pfeiffer 617 



Evaporation and dr.-iiuage from soils, von Seelhorst 617 



Nitro-culture and inoculation. Ball i 617 



Nutrition of cultivated ]ilants. Smets 618 



Management of stal)le manure in the heap. Stutzer 618 



Storage of liquid manure 618 



Value of moss litter 618 



Water as a plant food. Backhaus 618 



Ai'tiflcial manures in Japan 618 



Report on connnercial fertilizers, 1906, Jenkins, Winton. et al 618 



Fertilizer inspection, Woods and Bartlett 619 



Commercial fertilizers, Wheeler et al 619 



Analyses of commercial fertilizers, Hartwell et al 619 



Commercial fertilizers and chemicals, Hudson, McCandless, et al 619 



Test of nine phosphates with different plants, Wheeler and Adams 619 



Tests of Thomas slag and agricultural phosphate, Clausen 620 



Tests of Thomas slag and agricultural jdiosphate, Bachmann 621 



Tests of Thomas slag and agricultural phosphate, Bottcher and Bachmann 621 



Phosphate of lime in Algeria 621 



Crude ammonia, de Molinari and Ligot 621 



Cause of lower efficiency of ammoniacal nitrogen 621 



Fertilizing action of sulphate of ammonia, Kretschmer et al ^ 622 



Is nitrogen lost in fertilizing with nitrate of soda? Stoklasa 622 



Can calcareous fertilizers be held responsible for a deficiency of nitrogen 



in soils? Clausen 622 



Nitrate of soda. Plagemann 623 



Lime niter for potatoes. Crandeau 623 



Dry fertilizer from by-products or residues from sugar works, Lallemant_ 623 



On the use of sulphocyanids as fertilizers, Perottl 623 



AGRICULTURAL BOTANY. 



Botanical studies applied to agricultural plants, Fron 623 



Hybridization of wild ])lants, MacDougal 624 



Action of ozone on germination, Micheels and De Heen 624 



Stimulating action of manganese on germination, Micheels and De Keen. 624 



