EDITORIAL COMMITTEE OF THE 
UNITED STATES DEPARTMENT OF AGRICULTURE AND 
THE ASSOCIATION OF LAlfD-GRANT COLLEGES 
FOR THB DEPARTMENT TOR THE ASSOCIATION 
K. F. KEBBERMAN, Chairman 
Physiologist and Associate Chief , Bureau 
of Plant Industry ' 
B. W. ABBEN 
. Chief, Office of Experiment Stations 
C. B. MARBATT 
Entomologist and Assistant Chief, Bureau 
of Entomology 
^ R. B. WATTS 
Dean, School of Agriculture, and Director, 
Agricultural Experiment Station, The 
Pennsylvania State College 
All correspondence regarding articles from the Department of Agriculture should be 
addressed to K. F. Keller man, Journal of Agricultural Research, Washington, D. C. 
All correspondence regarding articles from State Experiment Stations should be 
addressed to J. G. Bipman, New Jersey Agricultural Experiment Station, New 
Brunswick, N. J. 
J. G. BIPMAN 
Dean, State College of Agricu&ure, am f 
Director, New Jersey Agricultural Experi¬ 
ment Station, Rutgers College 
ff. A, RIBEY 
Entomologist and Chief, Division of Eato* 
moloqy and Economic Zoology, Agricut ■ 
; tural Experiment Station of the University 
of Minnesota , 
