﻿PdJ)e 
  289 
  

  

  UNIVALVES 
  

  

  Plate 
  XVJ 
  

  

  Cromo 
  L/th 
  by 
  L.N.Rosenthal 
  PhtJ- 
  

  

  JACKSON 
  TERnARY 
  SHELLS 
  

  

  