﻿HARVARD 
  UNIVERSITY. 
  

  

  LIBRARY 
  

  

  MUSEUM 
  OF 
  COMPARATIVE 
  ZOOLOGY. 
  

  

  Tft 
  

  

  2>. 
  

  

  Arfv-^YV^ 
  ~SW^A°^ 
  

  

  

  