II - CONTENTS. 



BOTANY. 



Papfi 



North American species of Leptochloa, A. S. Hitchcock _ 942 



Notes on the poisonous plants of Nebraska, C. E. Bessey 942 



Notes on fungi, C. G. Lloyd 942 



Note on the water content of certain plants, W. R. Lazenby 942 



Influence of humidity on formation and development of stomata, G. Mariani. . 943 

 The effect of concentration of solutions on the resj)iration of plants, W. Palla- 



dine and A. Kondeff 943 



Effect of minerals on respiration of germinating jjlants, S. Krzesnieniewski. . . 943 



The effect of temperature on carbon dioxid assimilation, G. L. C. Matthaei 943 



Influence of previous environment in variety tests, T. L. Lyon 944 



Individuality of plants as a factor in nutrition studies, E. B. Voorhees and J. G. 



Lipmans 944 



Decomposition of proteid materials in plants, H. Karapetoff, ]\L Saljachnikoff . 944 



Influence of wounds on formation of proteid material in plants, J. Kovchoff.. 944 



Vegetable oils and their formation, C. Hartwich and W. Uhlmann 944 



Limit of endurance of farm crops for injurious substances, F. B. Guthrie and 



R. Helms 945 



Some effects of freezing on structure of plant cells, L. Matruchot, JM. Molliard. 945 



The rate of absorption of nitrogen by cereals, J. Henry 945 



Investigations on root tubercles of Leguminosfe, L. Hiltner and K. Stormer. . . 945 



Observations on some algte causing "water bloom," N. P. B. Nelson 946 



The suspension of life at low temperatures, A. Macfadyen and S. Rowland 946 



The necessary presence of bacteria in cultures of Myxomycetes, Pinoy 946 



METEOROLOGY — CLIMATOLOGY. 



Report of the Chief of the Weather Bureau, 1901-2 947 



Annual summary of meteorological observations in the United States, 1902 947 



Meteorological chart of the Great Lakes, A. J. Henry and N. B. Conger 947 



Meteorological observations, C. S. Phelps 947 



Meteorological observations, J. E. Ostrander and S. C. Bacon 947 



Meteorological record for 1901 947 



Meteorological observations, D. V. C. Manso de Zuiiiga 948 



Meteorological tal »]es, C. E. Magnusson 948 



The availability of New Mexico's climate for outdoor life, J. Weinzirl 948 



The climate of Garrett County, Maryland, O. L. Fassig 948 



The climate of Cecil County, 'Maryland, O. L. Fassig 948 



A study of the climate of Tunis, G. Ginestous 948 



Rainfall in the agricultui-al districts of Queensland, C. L. Wragge 948 



Analysis of the rainfall records of New South Wales, J. Barling 948 



Investigation of the upper atmosphere by means of kites 948 



The use of barometric variations in forecasting weather, J. Guzman 948 



WATER — SOILS. 



Water supply and sewerage 949 



Purification of river water, A. J. J. Vandevelde and F. Leperre 949 



Hydrography of Garrett County, Maryland, H. A. Pressey and E. (t. Paul... 949 



The hydrography of Cecil County, Maryland, H. A. Pressey 949 



Processes of mineralization of water as related to the geological character of 



soils and rot-ks, E. Casoria 949 



Observations on soil moisture in New Mexi(!0, C. E. Magnusson 949 



An experiment on soil improvement, C. S. Phelps 949 



Experiments on black marsh soil, A. R. Whitson 949 



The soils of Garrett County, Maryland, C. W. Dorsey 950 



The soils of Cecil County, Maryland, C. W. Dorsey and J. A. Bonsteel 950 



Crop and soil data for cooperative study of available plant food, C. C. Moore. 950 



Report on analyses of the soil of coffee plantations, J. G. Kramers 950 



The occurrence of climatic soil zones in Spain, Ramann 950 



FERTILIZERS. 



Culture trials with precipitated calcium phosphate, II, H. G. Soderbaum 951 



The action of ])hosphoric acid in the presence of lime, Bachmann 952 



Effect of moisture on availability of dehydrated phosphate of alumina, F. W. 



Morse '. " 952 



