Uibrarg oi % Stasami 



OF 



COMPARATIVE ZOÒLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 

 iFounUett bv prillate suiiscrfptfon, in 1861. 



Deposited by ALEX. AGASSIZ. 



^.zo yéiJ.è/n^., 



sv^s 



