'Im 
U. S. DEPARTMENT OF AGRICULTURE, 
DIVISION OF ENTOMOLOGY— BULLETIN NO. 54, NEW SERIES. 
L. O. HOWARD, Entomologist. 
<y?y</i 
/4&3</ 
Principal Insects Liable to be Distributed ' 
<"'e. 
on Nursery Stock. 
Prepared Under the Direction op the Entomologist, 
NATHAN BANKS, 
Assistant Entomologist. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1902. 
