I -i-" . ' «-» a b 



U.S. DEPARTMENT OF AGRICULTURE. 



DIVISION OF FNTOiMOLOOV. 

 PERIODICAL BULLETIN. 



September, 1892, to Jiily, 1893. 



INSECT LIFE. 



DliVO'l'EI) TO THE ECONOMY AND LIFE-HABITS OF INSECTS, 

 ESPECIALLY IN THEIR RELATIONS TO AGRICULTURE. 



KDITEI) HY 



C. V. RILEY, Entomologist, 



AND 



L. O. HOWARD, First Assistant, 



WITH I'MK ASSISTANCE OF OTHKK MEMBERS OK THE DIVISIOXAL KOKCK. 



? 



[PUBMSHED \\\ AUTHORITY OF THK SHL'RKTARY OF AliRICULTrRK. 1 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE, 

 1 8 1) 3 . 



