7^' 



51st Congress, ) HOUSE OF REPRESENTATIVES, i Mis. Doc. 

 1st Session, i \ No. 261). 



U.S. DEPARTMENT OF AGRICULTURE. 



^IFTH REPORT 



OF THE 



UNITED STATES 



ENTOMOLOGICAL COMMISSION, 



being a revised and enlarged edition of 

 Bulletin No. 7, 



ON 



INSECTS INJURIOUS TO FOREST AND SHADE TRE^.^. 



BY 



ALPHEUS S. PACKARD, M. D., Ph. D. 



WITH WOOD-OUTS AND 38 PLATES. 



WASHINGTON : 

 government printing office, 



1890. 



