﻿U. 
  S 
  NATIONAL 
  MUSEUM 
  

  

  PROCEEDINGS 
  VOL 
  96 
  PLATE 
  36 
  

  

  unlchis 
  caupo. 
  U 
  chilensis. 
  and 
  U. 
  UNICINCTUS 
  

  

  FOR 
  EXPLANATION 
  SCC 
  PAGB 
  291 
  

  

  