SB 
818 
€578 
ENT 
Issued December 8, 1910. 
Yes DEPARTMENT OF “AGRICULTURE; 
BUREAU OF ENTOMOLOGY—CIRCULAR No. 128. 
L. O. HOWARD, Entomologist and Chief of Bureau. 
INSECT INJURIES TO FOREST PRODUCTS. 
BY 
A. D. HOPKINS, 
In Charge of Forest Insect Investigations. 
64135°—10 WASHINGTON : GOVERNMENT PRINTING OFFICE : 1910 
v 
2\5 352 
