U.S. DEPARTMENT OF AGRICULTURE. 



DIVISION OF ENTOMOLOGY. 



PERIODICAL BULLETIN. Issued September, 1892. 



Vol. V. 



No. 1. 



INSECT LIFE. 



DEVOTED TO THE ECONOMY AND LIFE-HABITS OF INSECTS, 

 ESPECIALLY IN THEIR RELATIONS TO AGRICULTURE. 



EDITED BY 



C. V. RILEY, Entomologist, 



L. O. HOWARD, First Assistant, 



WITH THE ASSISTANCE OF OTHER MEMBKRS OF THE DIVISIONAL FORCE. 



[PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE.! 



washikgto:n': 



GOYERNMENT PEINTING OFFICE. 

 1892. 



