II CONTENTS. 



HOTANV. 



Page. 



Morpholojry of an<j;ioHperiiis, J. M. C^oulter and (". J. Chamberlain 446 



StiiHulaiitsti) plant <;;r()\vth and their ])ractical application, (). Loew 446 



Study of till' production of electricity in living organism^?, L. Querton 446 



A transpiration model, H. H. Dixon 447 



Decomposition and regeneration of albuminous materials, G. Balicka- 



Iwanowska "i^" 



Localization of active principles of plants during winter, W. Russell 447 



Presence of alkaloids and glucosids in the Kanunculaceae, E. Vanderlinden. . . 448 



Microscopical examinations of some glucosids and tannins, A. Goris 448 



Investigations on the physiology of a green alga, 1*. G. Charpentier 448 



Study of the structure of Botrytis ciiierea, J. Beauverie and A. Guilliermond . . 44S 



The poisonous mushrooms of France and pAirope, O. Grosjean 449 



Synoptical tables of edible and poisonous mushrooms, C. Manget 449 



FERMENTATION — BACTERIOLOGY. 



Classification and identification of bacteria, S. De M. Gage and E. B. Phelps. . 449 



Experiments with nitrogen-assimilating bacteria, M. Gerlach and I. Vogel 449 



Assimilation of atmospheric nitrogen by bacteria, E. de Freudenreich 449 



Bacteria assimilating carbon from the air, M. W. Beijerinck and A. van Delden. 450 



Recent progress in the field of soil bacteriology, H. Buhlert 450 



Some experiments with luminous Ijacteria, B. Issatchenko 450 



Notes on Bacillus coll and allied forms, S. De M. Gage and E. B. Phelps 450 



Spore germination of Bacillus siibtilis, and B. megatherium, L. F. Rettger 450 



Cleavage of nitrogenous organic substances by bacteria, O. Emmerling 450 



Fermentation organisms, A. Klocker, trans, by G. E. Allan and J. H. Millar. 450 



Fermentation investigations, L. Matruchot and M. [Nlolliard 451 



A critical review of the theory of fermentation, A. Richter 451 



The micro-organisms of black bread fermentation, L. Budinoff 451 



Notes on recent work on vegetable ferments, W. G. Freeman 451 



The ferment of the tea leaf, II, H. H. Mann 451 



Proteolytic enzyms associated with rennet in plants, M. Javillier 452 



A study of the proteolytic enzyms of malt, F. Weis 452 



Investigations on the two kinds of catalase, 0. Loew 452 



Catalytic decomposition of hydrogen peroxid, A. S. Loevenhart and J. H. 



Kastle - -152 



METEOROLOGY — CLIMATOLOC;Y. 



Meteorology at the British Association, A. L. Rotch 453 



The weather and practical methods of forecasting it, E. B. Dunn 453 



Weather conditions, W. Eliott 454 



Meteorological work of the Ploti Experiment Station, M. Svolinsky 454 



WATER — SOILS. 



Colorado irrigation waters and their changes, W. P. Headden 454 



Underground' waters of Arizona — their character and uses, W. W. Skinner . . . 456 



The purification of water supplies by slow sand filtration 456 



Report of chemical laboratory of the Ploti Experiment Station, B. M. Welbel. . 456 



Chemistry of soil as related to crop production, M. Whitney and F. K. Cameron . 457 



Pineapple culture. I, Soils, H. K. Miller and H. H. Hume 459 



The sugar-cane soils of Jamaica, H. H. Cousins 459 



Reclamation of alkali land at Fresno, Cal., T. H. Means and W. H. Heileman. . 459 



Soil temperatures at Lincoln, Nebr., 1888-1902, G. D. Swezey 460 



Uses of peat and its occurrence in New York, H. Ries 461 



The study of soils and agronomic charts, H. Lagatu .' 461 



The frontier of physiography, W. H. Hobbs 461 



FERTILIZERS. 



Experiments upon the use of potash as a fertilizer, H. J. Patterson 461 



Is nitrate nitrogen more effective than that of ammonia salts? Bachmann 462 



The manufacture of superphosphates, L. Schucht - 462 



