PUBLISHED BY AUTHORITY OF THE SECRETARY 

 OE 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. KELLERM AN, Chairman RAYMOND PEARL 



Physiologist and Assistant Chief, Bureau 

 of Plant Industry 



EDWIN W. ALLEN 



Chief, Office of Experimetit Stalions 



CHARLES L. MARLATT 



Assistant Chief, Bureau of Entomology 



Biologist, Maine Agricultural Experiment 

 Statimt 



H. P. ARMSBY 



Director, Institute of Animal IVntrition, "Die 

 Pentisylvania 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 to Karl F. Kellermau, Journal of Agricultural Research, 

 AVashington, D. C. 



AH correspondence regarding articles from Experiment Stations should be 

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



