﻿Rossmaessler, 
  Iconographie. 
  N. 
  F. 
  XVIII. 
  

  

  Taf. 
  ^oo. 
  

  

  26^5 
  

  

  y/ernerviWmttr,Frankfurt''/K 
  

  

  2Ö45. 
  46. 
  Unio 
  caficianus 
  Mtrs. 
  — 
  26^7. 
  U. 
  gargottae 
  var. 
  

  

  