﻿U. 
  S. 
  DEPARTMENT 
  OF 
  AGRICULTURE 
  

   BIOLOGICAL 
  SURVEY— 
  BULLETIN 
  No. 
  25 
  

  

  BIBBS 
  THAT 
  EAT 
  THE 
  COTTON 
  BOLL 
  WEEVIL 
  

  

  A 
  REPORT 
  OF 
  PROGRESS 
  

  

  BY 
  

  

  ARTHUR 
  H. 
  HOWELL 
  

  

  WASHINGTON 
  

   GOVERNMENT 
  PRINTING 
  OFFICE 
  

  

  1906 
  

  

  