SO t «■* 



DEPARTMENT OF THE INTERIOR. 



U. S. GEOLOGICAL AND GEOGRAPHICAL SURVEY OF THE TERRITORIES. 

 F. V. HAYDEN, IN CHARGE. 



BULLETIN 



THE UNITED STATES 



ENTOMOLOGICAL 



SION 



DESTRUCTION OF THE YOUNG OR UNFLEDGED LOCUSTS. 



No. 1. 



/Z*o V2- 



WASHINGTON : 



GOVERNMENT PRINTING OFFICE 



1877. 



