'^-E'^-PldrisJ 



i^ibrarn of t^c ^uscum 



OP 



COMPARATIVE ZOÔLOGY, 



AT HARVARD COLLEfiE, CAMBRIDGE, MASS. 

 jFounftrti fij) prtbate sufiscrfplfon, fn '1861. 



Deposited by ALEX. AGASSIZ. 



,^, No. 5û^y 



YJ 



