﻿Rossmaessler, 
  Iconograpkie. 
  N. 
  F. 
  XV^ 
  

  

  Taf. 
  404. 
  

  

  Weriur 
  iWirjcr, 
  FnuürfUrt'^M 
  

  

  23 
  H- 
  15- 
  Vivipara 
  pcnckinati 
  Bgt. 
  — 
  23 
  lö. 
  Valvata 
  naticina 
  Mkc. 
  

  

  23 
  ly. 
  V. 
  aliena 
  Westerl. 
  — 
  2318. 
  V. 
  obtusa 
  Stud. 
  — 
  231g. 
  V. 
  alpestns 
  

  

  Blaiin. 
  — 
  2320. 
  V. 
  piscinalis 
  Müll. 
  — 
  2321. 
  V. 
  contorta 
  Mke. 
  

  

  