U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— BULLETIN No. 87. 



L. O. HOWARD. Entomologist and Chief of Bureau. 



REPORT ON THE FIELD WORK AGAINST 



THE GIPSY MOTH AND THE 



BROWN-TAIL MOTH. 



D. M. ROGERS, 



Special Field Agent, 



AND 



A. F. BURGESS, 



Expert in Charge of Breeding Experiments. 



Issued August 13, 1910. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE, 

 1910. 



