EDITORIAL COMMITTEE OF THE 
united States department of agriculture and 
THE ASSOCIATION OF LAND-GRANT COLLEGES 
FOR THE DEPARTMENT 
K. F. KELLERMAN, Chairman 
Physiologist and Associate Chief, Bureau 
of Plant Industry 
E. W. ALLEN 
Chief, Office of Experiment Stations 
C. L. MARLATT 
. Entomologist and Associate Chief, Bureau 
of Entomology 
FOR THE ASSOCIATION 
J. G. LIPMAN 
Dean * State College of Agriculture, and 
Director, New Jersey Agricultural Experi¬ 
ment Station, Rutgers College 
W. A. RILEY 
Entomologist and Chief, Division of Ento- 
5fcIS.a-. ' ntology and Economic Zoology, Agricul¬ 
tural Experiment Station of the University 
of Minnesota ^ 
G. R. LYMAN 
Dean, College of Agriculture, West Virginia 
University ■ 
All coirreBpoiidenee regarding articles from the Department of Agriculture should be 
addressed to K. F. Kellerman, 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. 
