II CONTENTS. 



Page 



liijuri( lus effects of premature poUinatifni, C. l\ Hartley 634 



Mendel's principles of heredity. A defense, W. Bateson 634 



Studies in the physiology of heredity, W. Bateson and Miss E. R. Saunders.. 634 



Variation in Trillium grandiflorum , H. W. Britcher 634 



Comparative anatomy of the styles and stigmas of phanerogams, F. Gueguen . 634 

 Morphology and physiology of the germination of Spermaphytes, A. J. J. 



Vandeveide 635 



Studies on tuber formation, N. Bernard 635 



Electric response in ordinary plants under mechanical stimulus, J. C. Bose. . . 635 



Method of investigating the' gravitational sensitiveness of root tip, F. Darwin. 635 



Root pressure in Begonia, J. B. Dandeno 635 



Calcimn oxalate crystals in seedlings of alsike clover, J. Percival 636 



On the localization' of daphnine in Daphue hrureola, W. Russell 636 



Report of the botanist, C. E. Bessey 636 



Catalogue <>f grasses of Belgium and their fungus parasites, H. Vanderyst 636 



Notes on plants received for identification, J. B. Davy 636 



Studies on reproduction of some higher fungi, A. de Gomont de Lesparre 636 



A monograph of Amanita and Lepiota, L. Quelet and F. Bataille 637 



A simple respiration apjiaratus, H . H. Dixon 637 



Biological laboratory methods, 1*. H. Mell 637 



Sectioning witiiout embedding, H. H. Dixon 637 



Internatir>nal catalogue of scientific literature. M — Botany 637 



.MEl'EOKOI.OOV. 



Meteorological observations, A. ( ). Leuschner and J. D. Madtlrill 637 



Meteorological observations, J. E. Ostrander and S. C. Bacon 637 



Meteorological observations in Nebraska, 1901 , (i. D. Swezey 638 



Meteorology, C. W. Norris 638 



Meteorological observations at Verona, 1901, G. Fracastaro 638 



Rainfall at Manurial and Variety Experiment Stations, Barbados 6.39 



Composition of Barbados rainfall 639 



U'ATKR Sf)ILS. 



Laboratory study of percolation of water through soils, A. V. Stubenrauch.. . 639 



The motifJns of underground waters, C. S. Slichter 640 



Field operations of the Bureau of Soils, 1 901 , M. Whitney et al 640 



Soil analyses, W. Frear and C P. Beistle 643 



Some Cuban soils of chemical interest, W. Frear and C. P. Beistle 644 



First report on the soils of Kent and Surrey, A. D. Hall and F. J. Plymen . . . 644 



Results of investigations of Turkestan soils, P. Kossovich et al 64 1 



Soils and vegetation of Western Siberia, A. Gordyagin 644 



Mechanical and ciieniical examination of sctils, R. H. Loughridge 644 



Alkali reclamation at Tulare Substation, C. H. Shinn 644 



Alkali and alkali land, R. H. Loughridge 645 



Irrigation, cultivation, and hardjian, E. W. Hilgard 645 



Fixation of phosphoric acid in the soil, J. T. Crawley 645 



Fixation of ammonia and potash by Hawaiian soils, J. T. Crawley and R. A. 



Duncan 645 



Predominating processes of soil formation, P. Slyezkin 645 



Report of tlie geologist, E. H. Barbcjur 646 



Effects of different systems of manuring upon humus, W. Frear and E. H. 



Hess 646 



Maintenance of soil fertility under the renting system, H. Bode 647 



Limestones, W. Frear 647 



Nitrogen-tixing bacteria, J. G. Lipman 647 



FBKTII.IZKRS. 



Exi)eriments with phoSphatic fertilizers on winter grain. (). Reitmair 647 



Do phosj)horic and jxitassic fertilizers exert influence upon plants? C. Lumia. 647 



The returns from to|)-dressing with potash salts, Bachmann 647 



Potash fertilizing of barley and replacement of i)otash by soda, P. Doll 648 



Work of Ivanov Experiment Station, Kharkov, 1901, J M. Zhukov 648 



Demonstration lertilizer experiments in Lower Austria, 1901, O. Reitmair 648 



Green manuring experiments in Pomerania, Baessler 648 



