U, S. DEPARTMENT OF AGRICULTURE, 
BUREAU OF ENT0M0L0CY— BULLETIN No. 102. 
L. O. HOWARD, Entomologist and Chief of Bureau. 
NATURAL CONTROL OF WHITE FLIES 
IN FLORIDA. 
BY 
A. W. MORRILL, Ph. D., 
E. A. BACK, Ph. D. 
Issued September 14, 1912. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1912. 
