SB 

 818 

 C578 

 ENT 



Issued April 25, 1912. 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY-CIRCULAR No, 150. 



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



THE RED SPIDER ON COTTON. 



E. A. McGregor, 



Scientijic Assistant. 



WASHINGTON : GOVEKNMENT I'KINTING OFFICK : 1912 



32120°— Cir. 150—12 





