﻿U. 
  S. 
  NATIONAL 
  MUSEUM 
  

  

  PROCEEDINGS, 
  VOL. 
  XX 
  PL. 
  XLVI 
  

  

  ^^w?^ 
  

  

  J^^^s 
  

  

  '■R-P 
  

  

  m 
  ' 
  C^) 
  . 
  "'■' 
  

  

  PARASITIC 
  WORMS. 
  

  

  DiSTOMUM 
  FROM 
  SUNFISH 
  iMuld'. 
  BREAM, 
  ETC. 
  

   For 
  explanation 
  of 
  plate 
  see 
  page 
  545. 
  

  

  