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 DEPARTMENT 



FOR THE ASSOCIATION 



KARL F. KELLERMAN, Chairman RAYMOND PEARL 



Physiolooist and Assistant Chief, Bureau 

 of Plant Industry 



EDWIN W. ALLEN 



Assistant Director, Office of Experiment 



Stations 



CHARLES L. MARLATT 



Assistant Chief, Bureau of Entomology 



Biologist, Maine Agricultural Experiment 

 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 the Department of Agriculture 

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

 Washington, D. C. 



All correspondence regarding articles from Experiment Stations should be 

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



