﻿Proc, 
  Malac. 
  Soc. 
  Lond. 
  

  

  Vol. 
  Xm, 
  PI. 
  V. 
  

  

  p. 
  Dolhnan 
  phot. 
  

  

  Aturia 
  aturi 
  (Basterot). 
  

   Miocene 
  : 
  Western 
  Australia, 
  [f 
  nat. 
  size.] 
  

  

  R, 
  B. 
  Keictnn 
  di; 
  

  

  