PUBLISHED BY AUTHORITY 01^ THE SECRETARY 

 OF AGRICULTURE, WITH THE COOPERATION 

 OF THE ASSOCIATION OF AMERICAN AGRICUL- 

 TURAL COLLEGES AND EXPERIMENT STATIONS 



EDITORIAL COMMITTEE 



FOR THE DEPARTMENT 



KARL F. KELLERMAN, Chairman 



Physiologist and Assistant Chief. Bureau 

 of Plant Industry 



EDWIN W. ALLEN 



Chief, Office of Experiment StatioTis 



CHARLES L. MARLATT 



Attestant Chief, Bureau of Entomology 



FOR THE ASSOCIATION 



RAYMOND PEARL 



Biologist, Maine Agricultural Experiment Station 



H. P. ARMSBY 



Director, Institute of Animal Nutritian, The Penn- 

 syhatiia State College 



E. M. FREEMAN 



Botanist, Plant Pathplogist, and Assistant Dean, 

 Agricultural Experiment Station of the Univer- 

 sity of Minnesota 



All correspondence regariding 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 Raymond Pearl, Journal of Agricultural Research, Orono, Maine, 



