Ves Per eR VEN TOP AGRICULTURE: 
DIVISION OF ENTOMOLOGY. 
PERIODICAL BULLETIN. 
October, 1891. to August, 1892. 
INSECT LIFE. 
Vole Vv 
DEVOTED TO THE ECONOMY AND LIFE-HABITS OF INSECTS, 
ESPECIALLY IN THEIR RELATIONS TO AGRICULTURE, 
EDITED BY 
GeV RILEY, Entomologist 
AND 
Ee O71 HOW AED. Pirst Assistant, 
WITH THE ASSISTANCE OF OTHER MEMBERS OF THE DIVISIONAL FORCE. 
{PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE. | 
va 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1892. 
