^ ^ ^. N ^ . > 



7'I 



l^ibrarn oî tljc Hlitscum 



OF 



COMPARATIVE ZOÔLOGY, 



AT nAnVARD COllECE, CAMBRIDGE, MASS. 

 jFounîicîi bn çrfb«itc subscrîptfon, fn 1861. 



Deposited by ALEX. AGASSIZ. 

 No. M^h^ . 



