﻿U. 
  S. 
  DEPARTMENT 
  OF 
  AGRICULTURE 
  

   BIOLOGICAL 
  SURVEY— 
  BULLETIN 
  No. 
  22 
  

  

  C. 
  HART 
  MERRIAM, 
  Chief 
  

  

  BIRDS 
  MOM 
  TO 
  EAT 
  THE 
  BOLL 
  WEEVIL 
  

  

  BY 
  

  

  VERNON 
  BAILEY 
  

  

  CHIEF 
  FIELD 
  NATURALIST, 
  BIOLOGICAL 
  SURVEY 
  

  

  WASHINGTON 
  

  

  GOVERNMENT 
  PRINTING 
  OFFICE 
  

  

  1905 
  

  

  