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  LIBRARY 
  OF 
  

  

  

  

  R. 
  D. 
  L 
  A 
  C 
  O 
  E 
  . 
  

  

  

  

  For 
  the 
  Promotion 
  of 
  Research 
  in 
  

  

  

  

  PALEOBOTANY 
  and 
  PALEOZOOLOGY 
  

  

  

  

  RETURN 
  TO 
  

  

  

  SMITHSONIAN 
  INSTITUTION 
  

  

  

  

  WASHINGTON, 
  D. 
  C. 
  

  

  

  

  

  

  