EDITORIAL COMMITTEE CP THE 



UNITED STATES DEPARTMENT OF AGPJCULTURE AND 



THE ASSOCIATION OF AMERICAN AGRICULTURAL 



COLLEGES AND EXPERIMENT STATIONS 



FOR THE DEPARTMENT 

 ICARL F. KELLERMAN, Chairman 



Physiologist and Associate Chief, Bureau 

 of Plant Industry 



EDWIN W. ALLEN 



Chief, Office of Experiment Stations 



CHARLES L. MARLATT 



Entomologist and Assistant Chief, Bureau 

 of Enlotnology 



FOR THE ASSOCUTIOH 

 RAYMOND PEARL * 



Biologist, Maine Agricultural Experiment 

 Station 



H. P. ARMSBY 



Director, Institute of A nimal Nutrition, Th« 

 Pennsylvania Stale College 



E. M. FREEMAN 



Botanist, Plant Pathologist and Assistant 

 Dean, Agricultural Experiment Station of 

 the University of Minnesota 



All correspondence regarding articles from the Department of Agriculture should be 

 addressed to Karl F. Kellennan, Journal of Agriculttiral Research, Washington, D. C. 



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

 therefore, imtil 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. 



