^7 ^^ - 



gibruriT oi tfjc Ulustum 



OP 



COMPARATIVE ZOÖLOGY, 



AT UARVARD COLLEGE, CAUBRIBCE, MASS. 

 iFounticli bi» prfbatc sulisctfption, fn 1861. 



From the Library of LOUIS AGASSIZ. 



No. y^ 



