/VA-f 



50S0 



%f^~ 



'tbr^iriT of t(je Mxxsntm 



COMPARATIYE ZOOLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 

 iFountietJ 1)5 pribate subscrfptfon, in 1861. 



Deposited by ALEX. AGASSIZ. 



No./2rQ:: 



><■■ L . - . iS<;^i - kmj. 10 !Sp' 



