/ 2^ 



?J^ 



U.S. DEPARTMENT OF AGRICULTURE. 



DIVISIONT OF EXTOMOLOGY. 



PERIODICAL BULLETIN. 



VOL. I. 



JULY, ISSS, 



to 



JUXK, 1SS9. 



INSECT LIFE. 



DEVOTED TO THE ECONOMY AND LIFE-HABITS OF INSECTS, 

 ESPECIALLY IN THEIR RELATIONS TO AGRICULTURE, 

 AND EDITED BY THE ENTOMOLOGIST 

 AND HIS ASSISTANTS. 



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•^' // 





VI 





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WASHINGTON: 



GOVERNMENT PPwINTING OFFICE 



18S8-'9. 

 25068— No. 12 3 



