U. S. DEPARTMENT OF AGRICULTURE. 
BUREAU OF ENTOMOLOGY— BULLETIN No. ,50. 
L. O. HOWARD, Entomologist. 
1 iJ^ 
FHE COTTON BOLLWORM 
PREPARED UNDER THE DIRECTION OF THE ENTOMOLOGIST BY 
A. L. QUAINTANCE and C. T. BRUES. 
/! 
WASHINGTON: 
RNMENT PRINTING OFFICE 
19 5. 
