i J. (-^ - 



Itibvarjr of % Pitsciim 



OP 



COMPARATIVE ZOOLOGY, 



AT DARVARD COLIECE, CAMBRIDGE, MASS. 

 JFounticli I)j prtbatc subscrfjjtfon, fn 1861. 



From the Library of LOUIS AGASSIZ. 



No. b0 8 h. 



