PUBI<ISHED BY AUTHORITY OF THE SECRETARY 

 OF AGRICULTURE, WITH THE COOPERATION 

 OF THE ASSOCIATION OF AMERICAN AGRICUL- 

 TURAL COLLEGES AND EXPERIMENT STATIONS 



EDITORIAL COMMITTEE 



ffOK TBS DEPARTMBin 



VOR THB ASSOCIATION 



KARL F. KELLBRMAN, Chairmak RAYMOND PEARL 



Phyiiologist and Assistant Chief, Buraatt 

 *f PUnt Industrr 



EDWIN W. ALLEN 



Chiet. Office of Experiment Stations 



CHARLES L. MARLATT 



Assistant Chief, Snreau of Entomology 



Bioloeist, Main* Agricultural Experiment 

 Station 



H. P. ARMSBY 



Director, Institute of Animal Nutrition, Tke 

 Pennsylvania State College 



E. M. FREEMAN 



Botanist, Plant Pathologist, and Assistant 

 Dean, Agricultural Experiment Station *t 



the University of Minnesota 



All oorre^)ondence regarding articles from the Department of Agriculture 

 should be addressed to Karl F. Kellerman, Joxmial of Agricultural Research, 

 Washington, D. C. 



All correspondence regarding articles from Experiment Stations should be 

 addressed to Raymond Pearl, JoiutuI of Agricultiual Research, Orono, Maine. 



