II CONTENTS. 



Page. 

 Formation of albuminoid substances in plants by the reduction of nitrates, 



A. Hubert 925 



The influence of Nitragin on the growth of various legumes, M. Maercker ami 



H. Steffeck 926 



Experiments with Nitragin, A. Y. Aitken 926 



On the use of alinit in the cultivation of cereals, L. Malpeaux 927 



Production of new types of forage plants — clovers and grasses, A. N. McAlpine. 927 



Methods iu planktology, G. W. Field 929 



The Point Judith pond, G. W. Field 929 



METEOROLOGY — CLIMATOLOGY. 



Meteorological report, N. Helnie 930 



WATER — SOILS. 



I 



Ly8imoter experiments, J. llanamann 930 



Composition of drainage water from fertilized and unfertilized moor soils, 



with special reference to nitrogen, 13. Tacke, H. Immendorff, and H. Minssen. 931 



Investigations on the phosphorous compounds of moor soils, B. Tacke 932 



The changes Avhich moor soils undergo under culture and immuring, G. Scbliebs 



and H. Minssen 932 



On the analysis of soil as a guide to its fertility, B. Dyer 933 



The analyses of Jamaica soils, F. Watts 933 



FERTILIZERS. 



The use and value of seaweed as manure, J. Hendfick 934 



The starfish in Narragansett Bay, G. W. Field 935 



Solubility of the phosphoric acid of Thomas slag and crude phosphates iu 



upland moor soils as determined by the amount of free humus acids present, 



B. Tacke and H. Minssen 935 



Utilization by plants ofthephosphoric acid dissolved in soil water, T. Schloesing. 936 



Trial of phosphates, CO. Flagg and J. A. Tilliughast 936 



Tests of nitrogenous fertilizers on hoed plants, C. Dusserre 936 



Observations regarding the relative assimilability of various forms of nitrogen 



upon an acid soil, limed and unlimed, H. J. Wheeler, B. L. Hart well, and 



G.E.Adams 937 



Observations in connection with a soil test continued for 8 successive years, 



II. J. Wheeler and J. A. Tillinghast 937 



On the substitution of soda for and its value in connection with potash, H. J. 



Wheeler and J. A. Tillinghast 938 



A study of the needs of certain Rhode Island soils, H. J. Wheeler, C. O. Flagg, 



and G. E. Adams 938 



Five years' observations upon the growth of plants upon an acid upland soil, 



limed and unlimed, H. J.Wheeler and J. A. Tilliughast 939 



On the action of burnt lime and marl on sandy soils, B. Tacke, H. Immendorff, 



A. Salfeld, and F. Wolff 940 



Field experiments on upland moor soils and moor meadows by the Moor Experi - 



meut Station at Bremen during 1892-1897, B. Tacke, F. Gaaz, and H. Menk- 



• haus 940 



Pot experiments on moor soils at the Moor Experiment Station at Bremen, 



B. Tacke and H. Inimendorff 941 



FIELD CROPS. 



Report of the agriculturist, H. E. Stockbridge 954 



A report of progress of investigations in the chemistry of wheat, G. L. Teller. 943 



