PUBI^ISHED BY AUTHORITY OP 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 



Physiologist and Assistant Chief . Burenu 

 of Plant Indiistry 



EDWIN W. ALLEN 



Assisiant Director, Office of JExPerirMnt 

 Statiotts 



CHARLES L. MARLATT 



Assistant Chief. Bureau of Entomology 



RAYMOND PEARL 



Biolooist, Maine Aortcuiiural Experiment 

 Station 



H. P. ARMSBY 



Director, Institute of Animai Nutrition, The 

 Pennsylvania Stale College 



E. M. FREEMAN 



Botanist, Plant Pathologist, and Assistant 

 Dean, Ajricuitufal Extvriment Station of 

 the University of Minnesota 



All correspondence regarding articles from the Department of Agriculture 

 ^ould be addressed to Karl F. Kellennan, Journal of Agricultural Research, 

 Washington, D. C. 



All correspondence regarding articles from Experiment Stations shovdd be 

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



