^3^. t/^ 



SB 

 818 

 C578 

 ENT 



Issued May 17, 1913. 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— CIRCULAR No. 172. 



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



THE RED SPIDER ON COTTON. 



E. A. McGregor, 



Entomological Assistant. 



WASHINGTON : GOVERNMENT PRINTING OFFICE : 1813 



78463°— la 



MAY 26 U__ 



