Bulletin No. 1 1— New Series. 
U.S. DEPARTMENT OF AGRICULTURE. 
DIVISION OF ENTOMOLOGY. 
THE 
GIPSY MOTH m AMERICA 
A Summary Account of the Introduction and Spread of Porthetria 
dispar in Massachusetts and of the Efforts Made by 
the State to Repress and Exterminate it. 
L. ( ). IK IWARD, 
ENTOMOLOGIST. 
WASHINGTON: 
(. I l v KB N M I". \ T PRINTING W F I I B 
1 89 7. 
