II CONTENTS. 



Page. 



Selected methods of chemical analysis, A. Classen 421 



The influence of agricultural chemistry on soil culture, E. Haselhoff 421 



On the velocity of chemical reactions, W. Duane 421 



Inorganic ferments; the preparation of colloidal metals, etc., G. Bredig 421 



The paralysis of platinum catalysis by poisons, G. Bredig and K. Ikeda 421 



Simple method for obtaining sulphuretted hydrogen, etc., F. M. Perkin 421 



An automatic filtering apparatus, J. Winklhofer 421 



Microchemical technique, T. H. Behrens 421 



Ji(JTAXY. 



Manual of the flora of the Northern States and Canada, N. L. Britton 421 



American grasses, II, F. Lamson-Scribner '. 422 



Plant life of Alabama, C. Mohr 422 



The genus Salix in Iowa, C. R. Ball 422 



A monograph of the genus Melilotus, O. E. Schulz 422 



A contribution to the knowledge of the Chytridiacea?, R. Liidi 422 



Anatomical characteristics of agarics, J. Godf rin 422 



Inventory of foreign seeds and plants, J. G. Smith 422 



Plant physiology, W. F. Ganong 423 



Influence of various organic substances on respiration of plants, W. Palladia . 423 



Studies concerning variegation, H. Timpe 423 



Chlorophyll assimilation through cork, Mathilde Goldflus 424 



Are lower algje able to assimilate nitrogen? W. Kri'iger and W. Schneidewind . 424 



Modifications of structure produced in vegetable cells, etc., L. Matruchot and 433 



M. Molliard 424 



Effect of temperature and enzyms on formation of transitory starch, J. Griiss. 424 



Concerning the occurrence of cane sugar in plants, J. Anderssen 424 



Effect of germination on the pentosans in seeds, A. Schone and B. Tollens . . . 424 



Canadian experiments with Nitragin, F. T. Shutt and A. T. Charron 425 



Root tubercles of alfalfa, N. Passerini 425 



Methods of plant histology, C. J. Chamberlain 425 



METEOROLOGY. 



Monthly Weather Review, Vol. XXIX, Nos. 4-6 425 



Department of meteorology, Idaho Station, J. E. Bonebright 426 



Weather and crop records,' 1898-1900, J. H. Shepperd and A. I\I. Ten Eyck.. 426 



Meteorological observations. Northwest Territories 426 



Summary of meteorological observations, Mexico, 1900 426 



Meteorological summary, Canton of Yaud, 1900, H. Dufour and D. Valet 426 



Report of imperial station of meteorology and terrestrial magnetism, Vienna. . 426 



Magnetical, meteorological, and seismological observations, Bombay 426 



The distribution of rainfall over the land, A. J. Herbertson 426 



The moon and wet days, A. B. MacDowall 426 



Investigations relating" to "weather shooting," J. M. Pernter and W. Trabert. 427 



WATEK — SOILS. 



Value of evaporometric indications to agricultural practice, N. Malushitski ... 427 



New evaporometer for the study of evaporation from grass, M. Rikachev 428 



Solution studies of salts occurring in alkali soils, F. K. Cameron et al 428 



Soil and soil moisture investigations, J. D. Tinsley and J.J. Vernon 430 



Soil moisture studies, J. H. Shepperd and A.M. Ten Eyck 431 



Soil survey in Salt Lake Valley, Utah, F. D. Gardner and J. Stewart 432 



Some Idaho soils, H. T. Beans 432 



Soil analyses, F. T. Shutt 433 



The soils of the northern marshes of the Vendee, M. Artus 433 



Soils, Graftiau 433 



Condition of the aluminum in cultivated soils, T. Schloesing 433 



Soil tempei-ature at Hawkesbury Agricultural College, C. T. Musson 433 



Humus and soil nitrogen, E. F." Ladd 433 



Decomposition of nitrogen compounds in soils, W. Kriiger, W. Schneidewind. 434 



()n the action of organisms in soils and manure, L. Hiltner 434 



On nitrification and denitrification, A. Beddies 434 



Treatise on the origin and formation of soils, L. Milch 434 



