ee ean en ergs 
Ss. DEPARTMENT OF AGRICULTURE. 
DIVISION OF ENTOMOLOGY. 
BULLETIN No. 24. 
CM cola 2) 
BOLL WORM OF COTTON. 
A 
REPORE OF PROGRESS 
IN A 
SUPPLEMENTARY INVESTIGATION OF THIS: INSECT. 
MADE UNDER THE DIRECTION OF THE ENTOMOLOGIST 
BY 
Be Wo MALLY, 
(PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE.) 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
Lig Quit, 
