EDITORIAL COMMITTEE OF THE 



UNITED STATES DEPARTMENT OF AGRICULTURE AND 



THE ASSOCUTION OF AMERICAN AGRICULTURAL 



COLLEGES AND EXPERIMENT STATIONS 



FOR THE DEPARTMENT 



KARL F. KELLERMAN, Chairman 



Physiologist and Associate Chief, Bureau 

 of Plant Industry 



EDWIN W. ALLEX 



Chief. Office of Experiment Stations 



CHARLES L. MARLATT 



Entomolooist and Assistant Chief, Bureau 

 of Entojnology 



FOR THE ASSOCIATION 



RAYMOND PEARL * 



Biologist, Maine Agricultural Experiment 

 Station 



H. P. ARMSBY 



Director, Institute of Animal Nutrition, The 

 Pennsylvania State College 



E. M. FREEMAN 



Botanist, Plant Pathologist and Assistant 

 Dean, Agricultural Experiment Station of 

 the University of Mimiesola 



aH^rJ?^^ r^ *^^T ""^ ^'''^^' ^'°"^ "^^^ Department of Agriculture sl^ould be 

 addressed to Karl F. Kellerman, Journal of Agricultural Research, Washington, D C 

 Dr. Pearl has undertaken special work in connection ^vith the war emergencv- 

 tTut^\ f"^.' u'^'l.f ^" ^^^<^^P°"dence regarding articles from State Experi-' 



"tat g^f °"^;^^""'^ be addressed to H. P. Armsby, Institute of Animal Nutrition, 



