PUBI,ISHED BY AUTHORITY OF THE SECRETARY 

 OE AGRICULTURE, WITH THE COOPERATION 

 OE THE ASSOCIATION OF AMERICAN AGRICUL- 

 TURAL COLLEGES AND EXPERIMENT STATIONS 



EDITORIAL COMMITTEE 



irOR THE DEPARTMEUT 



FOR THE ASSOCIATION 



KAItL F. KELLERMAN, Chairman RAYMOND PEARL 



Phrtiologisl and Assistant Chief, Bunau Biologist. Maine AarictUtural Experiment 



of Plant Industry 



EDWIN W. ALLEN 



Assistant Director, O^ice Of Bxptriment 

 . Slatiotu 



CHARLES L. MARLATT 



Astidaml Chief, Bureau of Entomology 



Station 



H. P. ARMSBY 



Director, Institute of Animal Nutrition, Tfu 



Pennsylvania State Collece 



E. M. FREEMAN 



Botanist, Plant PaiholoQist, and Assistant 

 Dean, Affricultural Experiment Station of 

 the University of Minnesota 



All coJTESpondence regardmg articles fron;> the Department of Agriculture 

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

 Washington, D. C. 



All correspondence regarding articles fron> Experiment Stations should be 

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



