PUBLISHED BY AUTHORITY OF THE SECRETARY 

 OF AGRICULTURE, WITH THE COOPERATION 

 OF THE ASSOCIATION OF AMERICAN AGRICUL- 

 TURAL COLLEGES AND EXPERIMENT STATIONS 



EDITORIAL COMMITTEE 



FOR THE DEPARTMBNT 



FOR THE ASSOCIATION 



KAIiL F. KELLERMAN, Chairman 



Physiologist and Assistant Chief, Bureau 

 of Plant Industry 



EDWIN W. ALLEN 



ChUf. Office of Experimenl Stations 



CHARLES L. MARLATT 



Assistant Ckief, Bureau of Entomolooy 



RAYMOND PEARL 



Biologist, Maine Aoriculfwal Experimtnt 

 Station 



H. P. ARMSBY 



Director, Institute of Animal Nutrition, The 

 Pennsylvania State College 



E. M. FREEMAN 



Botanist, Plant Pathologist, and Assistant 

 Dean, Agricultural Experiment Station of 

 the University of Minnesota 



All correspondence regarding articles from tlie Department of Agriculture 

 should be addressed to Karl F. Kellerman, Journal of Agricultural Research, 

 Washington. D. C, 



All correspondence regarding articles from Experiment Stations should be 

 addressed to Raymond Pearl, Journal of Agricultural Research, Orono, Maine. 



