

5--^ 



^ibrarg oî i^t p^itstunx 



OF 



COMPARATIVE ZOÔLOGY, 



AT HARVARD COLLECE, CAMBRIDGE, MASS. 

 iFounîiEïi bj prîbatc subscrfptfan, în 1861. 



Deposited by ALEX. AGASSIZ. 



No. (7é~3^ 



