﻿Rossmaessler, 
  Iconographie. 
  N. 
  F. 
  XVII. 
  

  

  Taf. 
  431. 
  

  

  Werner 
  i 
  Winter 
  FninUfuTf/M. 
  

  

  2440. 
  Unio 
  consentaneus 
  Zgl. 
  

   (2440. 
  Toile. 
  41. 
  Urtenenbach. 
  42. 
  Züricher 
  See.) 
  

  

  