EDITORIAL COMMITTEE OF THE 



UNITED STATES DEPARTMENT OF AGRICXTLT0RE AND 



THE ASSOCIATION OF AMERICAN AGRICULTURAL 



COLLEGES AND EXPERIMENT STATIONS 



FOR THE DEPARTMENT 



FOR THE ASSOCIATION 



KARL F. KELLERMAN, Chairman RAYMOND PEARL * 



Physiologist and Assistant Chief, Bureau 

 of Plant Industry 



EDWIN W.ALLEN 



Chief, Office of Etperiment Stations 



CHARLES L. MARLATT 



Entomologist and Assistant Chief, Bureau 



of Entomology 



Biologist, Maine Agricultural Experim«n$ 

 Station 



H. P.ARMSBY 



Director; Institute of Animal Nutrition. The 

 Pennsylvania State College 



E. M. FREEMAN 



Botanist, Plant Pathologist, and Assistant 

 Dean, Agricultural ExperimentSfafion 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 mth 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. 



