U. S. DEPARTMENT OF AGRICULTURE, 
BUREAU OF ENTOMOLOGY— BULLETIN No. 50o 
L. O. HOWARD, Entomologist. 
THE COTTON BOLLWORM. 
4u 
fac 
PREPARED UNDER THE DIRECTION OF THE ENTOMOLOGIST BY 
A. L. QUAINTANCE and C. T. BRUES. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE, 
1905. 
