﻿U. 
  S. 
  NATIONAL 
  MUSEUM 
  

  

  PROCEEDINGS. 
  VOL. 
  XX 
  PL. 
  XXXI 
  

  

  %, 
  .*^y^f^^^^ 
  

  

  Parasitic 
  Worm 
  (Dibothrium) 
  from 
  Tarpum. 
  

  

  For 
  explanation 
  of 
  plate 
  see 
  page 
  455. 
  

  

  