1%^ 



Ib'Uo,^ 



^ibrarn of tl;e S^uscum 



OF 



COMPARATIVE ZOOLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 



JFounUrt \iv pvfbatc subscrffltfon, fn 1861. 



Deposited by ALEX. AGASSIZ. 



No. i'^/^ 



1 



