

THE GYPSY MOTH. 



PORTHETRIA DI8PAR (LlNN.). 



A REPORT OF THE 



OF DESTROYING THE INSECT IN THE COMMONWEALTH OF 



MASSACHUSETTS, TOGETHER WITH AN ACCOUNT 



OF ITS HISTORY AND HABITS BOTH IN 



MASSACHUSETTS AND EUROPE. 



BY 



EDWARD H. FORBUSH, 



FIELD DIRECTOR IN CHARGE OP THE WORK OF DESTROYING THE GYPST MOTH, 

 ORNITHOLOGIST TO THE STATE BOARD OP AGRICULTURE, 

 PRESIDENT OP THE WORCESTER NATURAL 

 HISTORY SOCIETY, ETC., 



AND 



CHARLES H. FERNALD, A.M., Pn.D., 



PROFESSOR OF ZOOLOGY IN THE MASSACHUSETTS AGRICULTURAL COLLEGE, 

 ENTOMOLOGIST TO THE STATE BOARD OF AGRICULTURE, 

 ENTOMOLOGIST TO THE HATCH EXPERI- 

 MENT STATION, ETC. 



PUBLISHED UNDER THE DIRECTION OF THE STATE BOARD OF AGRICULTURE; 

 BY AUTHORITY OF THE LEGISLATURE. 



BOSTON : 



WRIGHT & POTTER PRINTING CO., STATE PRINTERS, 



18 POST OFFICE SQUARE. 



1896. 



