EDITORIAL COMMITTEE OF THE 



UNITED STATES DEPARTMENT OF AGRICULTURE AND 



THE ASSOCL/VTION OF AMERICAN AGRICULTURAL 



COLLEGES AND EXPERIMENT STATIONS 



FOR THE DEPARTMENT 



KARL F. KELLERMAN, Chairman 



Physidogisl and Associate Chief, Bureau 

 of Plant Industry 



EDWIN W. ALLEN 



Chief, Office of Experiment Stations 



CHARLES L. MARLATT 



Entomologist end Assi^nt Chief, Bureau 



of Entomology 



FOR THE ASSOCLATION 



H. P. ARMSBY 



Director, Institute of Anitnal Nttlrition, The 

 Pennsylvania State College 



E. M. FREEMAN 



Botanist, Plant Pathologist, and Assistant 

 Dean, Agrictdtural Experitnent Station of 

 the University of Minnesota 



J. G. LIPMAN 



Director, New Jersey Agricultural Experi- 

 ment Station, Rutgers College 



All eorrespondence 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 State Experiment Stations should be 

 addressed to H. P. Armsby, Institute of Animal Nutrition, State College, Pa. 



