PORTO RICO AGRICULTURAL EXPERIMENT STATION, MAYAGUEZ 
[Under the supervision of the Office of Experiment Stations, United States Department of 
Agriculture] 
E. W. Allen, Chief, Office of Experiment Stations. 
Walter H. Evans, Chief, Division of Insular Stations, Office of Experiment 
Stations. 
STATION STAFF 
D. W. May, Director. 
T. B. McClelland, Horticulturist. 
H. C. Henricksen, Agriculturist. 
C. M. Tucker, Plant Pathologist. 
R. L. Davis, Associate Agronomist. 
H. L. Van Volkenberg, Parasitologist. 
J. O. Carrero, Assistant Chemist. 
A. Arroyo, Minor Scientific Helper. 
C. Alemar, jr., Clerk. 
