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 



KARLF.KELLERMAN. Chairman RAYMOND PEARL 



Physiologist and Associate Chief, Bureau 

 of Plant Industry 



EDWIN W. ALLEN 



Chief, Office of Experiment Stations 



CHARI,EvS L. MARLATT 



Eniomologisl and Assislajit Chief, Bureau 

 of Enionwloay 



Biolpqisl. Maine Agriculliiral Experiment 

 Station 



H. P. ARMSBV 



Director . Institute of Animal A'utriliim, The 

 Pennsyhania State College 



E. M. FREEMAN 



Botanist, Plant Pailwlot/ist 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. Kellerman, Journal of Agricultural 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. 



