EDITORIAL COMMITTEE OF THE 



UNITED STATES DEPARTMENT OF AGRICULTURE AND 



THE ASSOCDVTION OF AMERICAN AGRICULTURAL 



COLLEGES AND EXPERIMENT STATIONS 



FOR THE DKPAKTMKNT 



K/VRIyI<. KELLRRMAN, Chairman 



Physiolodiit and Assoddte Chief. Bureau 

 of Plant huiustry 



KDWIN W. AIvI^EN 



Chief, OMce of Experiment Stations 



CHARLES L. MARLATT 



EntoTM^:ilogist and A ssisUtfit Chief, Buruni 



of l''7iti»iuJvrry 



FOR THE ASSOCIATIOW 



RAYMOND PEARL* 



Biologist, Maine Atiriculturai Etfrcrinumt 

 Station 



H. P. ARMSBY 



Director, Institute, of Animal Nutrition, The 

 Ptmnsyhania State Coiiegc 



E. M. FREEMAN 



Botanist, Plant Pathologist and Assistant 

 Dean, Agrieultural Experiment Station of 

 ikt Universiiy of Minnesota 



All correspondence regarding articles from the Department of Agricultvire should be 

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



* Dr. Pearl has undertaken specialAvork in connection with the war emergency; 

 therefore, until further notice all correspondence regarding articles from State Expexi- 

 raent Stations should be addressed to H. P. Armsby, Institute of Animal Nutrition, 

 State College, Pa. 



