

PUBLISHED BY AUTHORITY OF THE SECRETARY 

 OF AGRICULTURE, WITH THE COOPERATION 

 I OF THE ASSOCIATION OF AMERICAN AGRICUL- 

 TURAL COLLEGES AND EXPERIMENT STATIONS 



EDITORIAL COMMITTEE 



FOR THE DEPARTMENT 



FOR THE ASSOCIATION 



KARL F. KELIvERMAN, Chairman RAYMOND PEARL 



I'hyiiologisl a?id Assistafil Chief, Bureau 

 of Plant Industry 



EDWIN W. AELEN 



Chief, Office of Experivunt Stations 



CHARLES L. MARLATT 



Assistant Chief, Bureau of Entomology 



Biologist, Maine Agricultural Experiment 

 ' St at i 071 



H. P. ARMSBY 



Director, Institute of Animal Nutrition, The 

 Pennsylvania State College 



E. M. FREEMAN 



Botanist, Plant Patlwlogist , and Assistant 

 Dean, Agricultural Experiment Station of 

 the University of Miymesota 



All correspondence, regarding articles from the 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 Rayraond Pearl, Journal of Agricultural Research, Orono, Maine. 



