M^^'^ ' Cl¥^2. 



\Z.1- 



f ibrarg ßf lljc ^luscunt 



OF 



COMPARATIVE ZOÖLOGY, 



AT HARVARD COllECE, CAMBRIDGE, MASS. 



j^ounUcU ÖB ptibatc subscrfiitton, fn 1861. 



Depositedby ALEX. AGASSIZ. 





