U.S. DEPARTMENT OF AGRICULTURE. 



DIVISION OF ENTOMOLOGY. 



PERIODICAL BULLETIN. 



VOL. I. 



JULY, 1888, 



to 



JUNK, 1889. 



^^'^ INSECT LIFE. 



DEVOTED TO THE ECOxNOMY AND LIFE-HABITS OF INSECTS, 

 ESPECIALLY IN THEIR RELATIONS TO AGRICULTURE, 

 AND EDITED BY THE ENTOMOLOGIST 

 AND HIS ASSISTANTS. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1888-'9. 

 25068— No. 12 3 



