EXPERIMENT STATION RECORD. 



Editor: E. W. ALLEN, Ph. D., Assistant Director. 



EDITORIAL DEPARTMENTS. 



Chemistry, Dairy Farming, and Dairying — The Editor and H. W. Lawson. 

 Meteorology, FertiUzers and Soils (including methods of analysis), and Agricultural 



Engineering — W. H. Beal. 

 Botany and Diseases of Plants — Walter H. Evans, Ph. D. 

 Foods and Animal Production — C. F. Langworthy, Ph. D. 

 Field Crops — J. I. Schulte. 



Entomology and Veterinary Science — E. V. Wilcox, Ph. D. 

 Horticulture — C. B. Smith. 

 With the cooperation of the scientific divisions of the Department. 



CONTENTS OF VOL. XV, NO. 5. 



Editorial notes: Page 



The American Association meeting at St. Louis 421 



Rural economics at the St. Louis meeting 422 



Acquisition of the nitrogen of the air by calcium carbid 423 



Agricultural research and the Carnegie Institution 425 



Convention of Association of Official Agricultural Chemists, 1903, H. W. 



Lawson 427 



Recent work in agricultural science 444 



Notes --- 525 



SUBJECT LIST OF ABSTRACTS. 



chemistry. 



Determination of small amounts of potassimii, F. K. Cameron and G. H. 



Failyer 444 



Volumetric determination of potash, F. W. Kiister and M. Griiters 444 



Colorimetric method for phosphates in jjresence of silica, O. Schreiner 444 



Reduction of nitric acid to ammonia by electric current, W. H. P^aston 444 



A small improvement in the Kjeldahl method, Gregoire and Carpiaux 444 



SoluVjility of lime in the presence of alkalis, A. d' Anselme 444 



Solubility of gypsum in presence of metallic chlorids, N. A. Orlov 445 



Standardization of potassium permanganate solution, H. Walland 445 



Laboratory method for ordinary chemical examination of waters . ,... 445 



Use of calcined magnesia in the incineration of organic substances, H. Klein.. 445 



Studies on the vegetable proteins, T. B. Osborne and I. F. Harris 445 



Solubility of globulin in f-alt solutions, T. B. Osborne and I. F. Harris 445 



Concerning avenin, St. Weiser 445 



Suljjhur content of gelatin and its estimation, O. Krunuuacher 445 



Action of diastase on starch granules of raw and malted barley, A. R. Ling. . . 445 



Animal and vegetal)le fixed oils, fats, butters, and waxes, C. R. A. Wright 446 



Thermodynamics and chemistry, P. Duhem, trans, by G. K. Burgess 446 



I 



