EDITORIAL COMMITTEE OF THE 



UNITED STATES DEPARTMENT OF AGRICULTURE AND 



THE ASSOCIATION OF AMERICAN AGRICULTURAL 



COLLEGES AND EXPERIMENT STATIONS 



FOR THE DEPARTMENT 



FOR THE ASSOCIATION 



KARL F. KELLERMAN, Chairman RAYMOND PEARL* 



Physiologist and Associate Chief, Burtau 

 of Plant Industry 



EDWIN W. ALLEN 



Chief, Office of Experiment Stations 



CHARLES L. MARLATT 



Entomologist and Assistant Chief, Burtau 

 of Enfomotogy 



Biologist, Maine Agricuitural Experim$nl 

 Station 



H. P. ARMSBY 



Director, Institute of Animal Nutrition, The 

 Pennsylvania Stale College 



E. M. FREEMAN 



Botanist, Plant Pathologist and Assistant 

 Dean, Agricultural EiperimenI Station of 

 the University of Minnesota 



All correspondence regarding articles from the Department of Agricultiu'e should be 

 addressed to Karl F. Kellerman, Journal of Agricultiu^ Research, Washington, D. C. 



*Dr. Pearl has undertaken special work in connection with the war emergency; 

 therefore, until further notice all correspondence regarding articles from State Experi- 

 ment Stations should be addressed to H. P. Armsby, Institute of Animal Nutrition; 

 State College, Pa. 



