﻿Memoirs 
  Boston 
  Soc. 
  Nat. 
  Hist., 
  Vol. 
  8, 
  No. 
  3. 
  

  

  Plate 
  25. 
  

  

  J. 
  Henry 
  Biake, 
  ad 
  nat. 
  del, 
  

  

  OTVPE 
  CO. 
  BOSTON 
  

  

  Geographical 
  Terrapin. 
  

  

  