EXPERIMENT STATION RECORD. 



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

 Assistant Editor: H. L. Knight. 



EDITORIAL DEPARTMENTS. 



Agricultural Chemistry and Agrotechny — L. W. Fetzer, Ph. D., M. D. 



Meteorology, Soils, and Fertilizers-^ t> ' w r^^^^' ^ 



Agricultural Botany, Bacteriology, Vegetable Pathology j^^' ^- ^ong^' ^^' ^' 



174^1 J n^ ^„/J- I- SCHULTE. 



Field Crop.^-!j_Q_j^^^^j^ 



Horticulture and Forestry — E. J. Glasson. 

 Foods and Human Nutrition — C. F. Langworthy, Ph. D. 

 Zootechny, Dairying, and Dairy Farming — E. W. Morse. 

 Economic Zoology and Entomology — W. A. Hooker. 



Veterinary Medioine{j;\^;Ho^--- 



Rural Engineering . 



Rural Economics — J. B. Morman. 

 Agricultural Education — D. J. Crosby. 



CONTENTS OF VOL. XXIV, NO. 7. 



Editorial notes: Page. 



Recent improvements in the respiration calorimeter 601 



A new application of the respiration calorimeter 605 



Recent work in agricultural science 607 



Notes 695 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry — agrotechny. 



Progress in the field of agricultural chemistry, Stiitzer 607 



Man and the earth. Man and plants, edited by Kraemer 607 



On the refractive indices of certain proteins. — III, Serum globulin, Robertson. . 607 



The refractive indices of casein in alcohol-water mixtures, Robertson 608 



A new sugar — verbascose, Bourquelot and Bridel 608 



An improved method for the preparation of raffinose, Zitkowski 608 



Isolation of rafhnose from beet-sugar products, Zitkowski 608 



The estimation and characteristics of rafiinose, Herzfeld 608 



Note on Dr. Backe's investigation of maltol and isomaltol, Sherman 608 



General chemistry of the enzyms, Euler 608 



In regard to invertase, Euler, Lind'oerg, and Melander 608 



Extraction of zymase by simple maceration, Lebedeff 608 



About the use of nitron for estimating nitric acid in nitrates, Wasilieff 609 



A reaction for nitrites, Armani and-Barboni 609 



Determination of nitrogen in cyanamid and dicyandiamid, Stutzer and Soil. . . 609 



Improvements in the exact determination of nitrogen in feces, Phelps 609 



I 



