﻿U. 
  S. 
  NATIONAL 
  MUSEUM 
  

  

  PROCEEDINGS. 
  VOL. 
  103 
  PLATE 
  1 
  

  

  u 
  = 
  

  

  £1 
  

  

  5=< 
  

  

  V 
  a; 
  

  

  •-2 
  ~ 
  

  

  5p 
  

  

  DO 
  

  

  < 
  

  

  P 
  

  

  