﻿U. 
  S. 
  NATIONAL 
  MUSEUM 
  

  

  PROCEEDINGS, 
  VOL. 
  XX 
  PL. 
  XXXIV 
  

  

  Parasitic 
  Worms 
  (OnjgmatobothriKm 
  and 
  Onchobofhrhim) 
  FROM 
  Sting 
  Ray, 
  iCaUio- 
  

   bothrhim) 
  FROM 
  DOGFISH, 
  AND 
  iRhynchnbofhriuni) 
  FROM 
  STING 
  RaY 
  AND 
  COW- 
  

  

  NOSED 
  Ray. 
  

  

  For 
  explanation 
  of 
  plate 
  see 
  page 
  456. 
  

  

  