JOINT COMMITTEE ON POLICY AND MANUSCRIPTS 
jrOR THE UNITED STATES DEPARTMENT FOR THE ASSOCIATION OF LAND-GRANT 
OF AGRICULTURE COLLEGES 
E. W. ALLEN, CHAIRMAN 
Chief, Office of Experiment Stations 
C. L MARLATT 
Chairmen , Federal Horticultural Board, and 
Associate Chief, Bureau of Entomology , 
C. t. SHEAR 
. Senior Pathologist in Charge » Plant Disease 
Survey and Pathological Collections 
J. G. LIPMAN 
Dean, New Jersey College of Agriculture, and 
Director of Experiment Station 
G. R. LYMAN V 
Deem] College of Agriculture, West Virginia 
University , 
H. W. MUMFORD t 
Deem, Illinois College oj Agriculture, and 
Director of Experiment Station 
EDITORIAL SUPERVISION 
M. C. MERRILL 
Assistant Director of Publications, in Charge of Scientific and Techniccd Manuscripts 
U.-S. Department of Agriculture 
**** _ Q _„ _ Experiment Stations should be 
addressed to J. G. Lipman, New Jersey Agricultural Experiment Station, New 
Brunswick, N. J. 
