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

  

  R. 
  Deckert, 
  ad 
  nat. 
  del. 
  

  

  HELIOTYPE 
  CO. 
  BOSTON 
  

  

  Musk 
  Turtle. 
  

  

  