EDITORIAL COMMITTEE OF THE 



UNITED STATES DEPARTMENT OF AGRICULTURE AND 



THE ASSOCIATION OF LAND-GRANT COLLEGES 



FOR THE DEPARTMENT 

 KARL F. KELLERMAN, Chairman 



Physiologist and Associate Chief, Bureau 

 of Plant Industry 



EDWIN W. ALLEN 



Chief, Office of Experiment Stations 



CHARLES L. MARLATT 



Entomologist and Assistant Chief, Bureau 

 of Entomology 



FOR THE ASSOCIATION 

 J. G. LIPMAN 



Dean, State College oj Agriculturei and 

 Director, New Jersey Agricultural Experi- 

 ment Station, Rutgers College 



W. A. RILEY 



Entomologist and Chief, Division of EnUf 

 mology and Ecoruwiic Zoology, Agricul- 

 tural Experiment Station of the University 

 of Minnesota 



R. L. WATTS. 



Dean, School of Agriculture, and Diredor; 

 Agricultural Experiment Station; Tk* 

 Pennsylvania State College 



All correspondence regarding articles from the Department of Agriculture should be 

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



All correspondence regarding articles from State Experiment Stations should be 

 addressed to J. G. Lipman, New Jersey Agricultural Experiment Station, New 

 Brunswick, N. J. 



