﻿

  Alex. 
  Agassiz. 
  

  

  OP 
  

  

  COMPARATIVE 
  ZOÖLOGY, 
  

  

  AT 
  HAßVAKD 
  COLLEGE, 
  CAMBRIDGE, 
  MASS. 
  

   iFounUeti 
  bjj 
  ^jvibate 
  subscviptton, 
  in 
  1861. 
  

  

  Deposited 
  by 
  ALEX. 
  AGASSIZ. 
  

  

  No. 
  '-::^\oo 
  

  

  i> 
  

  

  