II CONTENTS. 



Page. 

 The amount of nitrogen conveyed by red clover to different kinds of soil, N. 



Passerini 811 



Nitrogen nutrition of the Legnminosa?, K. von Rozdejczer 811 



FERMENTATION — BACTERIOLOGY. 



The bacteriological flora of the air in stables, A. W. Bitting and C. E. Davis . 813 



Studies on nitrification, H. Weissenberg 813 



METEOROLOGY. 



Monthly Weather Review, Vol. XXV, Nos. 10-12 814 



Meteorology of 1896, W. S. Sweetser 815 



Meteorological report for 1895, J. C. Rane 816 



Meteorological observations, L. H. Merrill 816 



Floods of the Mississippi River, P. Morrill 816 



Monthly reports of the River and Flood Service for September, October, 



November, and December, 1897, P. Morrill 817 



Forest and rainfall, H. A. Hazen 817 



The highest kite ascensions at Blue Hill, S. P. Fergusson 816 



Instructions to operators on the United States seacoast telegraph lines, J. H. 



Robinson 817 



A winter barograph curve from the South Pacific Ocean, R. De C. Ward 817 



An improved sunshine recorder, D. T. Maring 817 



The probable state of the sky along the path of total eclipse of the sun May 



28, 1900, F. H. Bigelow 817 



Instructions governing the corn, wheat, cotton, sugar, and rice region service, 



J. Berry 817 



WATER — SOILS. 



Analyses of drinking water, J. L. Hills, B. O. AVhite, and C. H. Jones 821 



Water used for irrigation on the station farm, J. A. Widtsoe 821 



The rocks and soils of Grenada and Carriacou, J. B. Harrison 817 



Soil temperatures at different depths, P. Sollied 818 



Soil temperatures, W. S. Sweetser 819 



Influence of the humidity of the soil on the development of flax, D. N. Pryan- 



ishnikov and R. G. Trube 819 



On the assimilation of the nitrogen of some organic compounds in sterilized 



media, D.N. Pryanishnikov and A. N. Lyebyedyev 820 



On the oxidation of the ammonia produced by soil organisms, E. Demoussy .. 820 



The use of vegetation experiments in soil analysis, H. Wilfarth 820 



The improvement of muck soils, F. T. Shutt 821 



On the relative influence of phosphatic fertilizer on various soils and on the 



solubility of the phosphoric acid contained in these soils in a 2 per cent 



citric-acid solution, D. N. rryanishnikov and B. A. Skalov 821 



FERTILIZERS. 



Preservation of barnyard manure, F. T. Shutt 822 



Utah guano, J . D . Widtsoe 825 



Analyses of miscellaneous fertilizers, J. L. Hills, B. O. White, and C. H. Jones. 825 

 Is there a constant relation between the solubility of phosphatic slag in 

 ammonium citrate and the weight of the crop produced? A. Petermann and 



J.Graftiau 822 



General fertilizer experiments, E. H. Hess 823 



Recent researches on reverted phosphoric acid, J. Stoklasa 823 



Are the compounds of phosphorus and sulphur found in moors and which are 



insoluble in strong acids also present in moor plants? M. Schmoeger 824 



