EDITORIAL COMMITTEE OF THE 



UNITED STATES DEPARTMENT OF AGRICULTURE AND 



THE ASSOCDITION OF AMERICAN AGRICULTURAL 



COLLEGES AND EXPERIMENT STATIONS 



FOR THE DEPARTMENT 



FOR THE ASSOCIATION 



KARL F. KELIvERMAN, Chairman RAYMOND PEARL * 



Physiolooist and Assistant Chief, Bureau 

 of Plant Industry 



EDWIN W. ALLEN 



Chief, Office of Experiment Sfaiions * 



CHARLES L. MARLATT 



Eniomfilogist and Assistant Chief, Bureau 

 of Entovtology 



Biologist, Maine Africultural Experiment 

 Station 



H. P. ARMSBY 



Director, Institute of Auinutl Nutrition, The 

 Pennsylvania State College 



E. M. FREEMAN 



Botanist, Plant PaUiologist and A ssistant 

 Dean, Agricultural Experiment Station of 

 the University ofMittnetola 



All correspondence reganiing articles from the Department of Agriculture should be 

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



* Dr., Pearl has imdertaken 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. 



