﻿U. 
  S. 
  DEPARTMENT 
  OF 
  AGRICULTURE 
  

   BIOLOGICAL 
  SURVEY— 
  BULLETIN 
  No. 
  20 
  

  

  C. 
  HART 
  MERRIAM, 
  CHief 
  

  

  COYOTES 
  IN 
  THEIR 
  ECONOMIC 
  

   RELATIONS 
  

  

  BY 
  

  

  DAVID 
  E. 
  LA1STTZ 
  

   Assistant, 
  Biological 
  Survey 
  

  

  WASHINGTON 
  

   GOVERNMENT 
  PRINTING 
  OFFICE 
  

  

  1905 
  

  

  