SB 

 818 

 C578 

 ENT 



Issued March 7, 1911. 



U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF ENTOMOLOGY— CIRCULAR No. 134. 



L. O. HOWARD, Entomologist and Chief of Bureau. 



DAMAGE TO TELEPHONE AND TELEGRAPH 

 POLES BY AVOOD-BORING INSECTS. 



T. E. SNYDER, 



Agent and Expert. 



WASHINGTON : GOVERNMENT PRINTING OFFICE : 1011 



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