EDITORIAL COMMITTEE OF THE 



UNITED STATES DEPARTMENT OF AGRICULTURE AND 



THE ASSOCLA.TION OF AMERICAN AGRICULTURAL 



COLLEGES AND EXPERIMENT STATIONS 



FOR THE DEPARTMENT 



KARL F. KELLERMAN, Chairman 



Physiolooist and Associate Chief, Bureau 

 of Plant Industry 



EDWIN W. ALLEN 



Chief, Office of Experiment Stalions 



CHARLES L. MARLATT 



Entovwlogist and Assistant Chief, Bureau 



of Entomology 



FOR THE ASSOCIATION 



H. P. ARMSBY 



Director, histitute of Ammal NutriU'n, The 

 PennsyhcKiz State College 



J. G. LIPMAN \ 



Director, New Jersey AgricvlluralEiperiment 

 Station, Rutgers College 



W. A. RILEY 



Entomologist atid Chief, Division of Ento- 

 mology and Economic Zoology, Agricul- 

 tural Experiment Station of the University 

 of Minnesota 



All correspondence regarding articles from the Department of Agriculture should be 

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



AU correspondence regarding articles from State Experiment Stations should be 

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



