EDITORIAL COMMITTEE OF THE 



UNITED STATES DEPARTMENT OF AGRICULTURE AND 



THE ASSOCIATION OF AMERICAN AGRICULTURAL 



COLLEGES AND EXPERIMENT STATIONS 



FOR THIS DEPARTMENT 



KARLF. KELLERMAN, Chairman 



Physiologist and Associate Chief, Bureau 

 of Plant Industry 



EDWIN W. ALLEN 



Chief, Qffic* of Experiment Stations 



CHARLES L. :^ARLATT 



Entomologist ortd Assistant Chief, Bureau 

 of Entomology 



FOR THE ASSOCIATIOH 



RAYMOND PEARL * 



Biologist, Maine Agricultural ExPtrimtnt 

 Station 



H. P. ARMSBY 



Director, Institute of Animal Nutrition, Tks 

 Pennsylvania State College 



E. M. FREEMAN 



Botanist, Plant Pathologist and Assistant 

 Dean, Agricultural Experiment Station of 

 the University of Minrusota 



All correspondence regarding articles from the Department of Agriculture shotdd be 

 addressed to Karl F. Kellerman, Journal of Agricultural 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. 



