'tbraru oi ibt Musatm 



OF 



COMPARATIVE ZOOLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 

 iFountJcTi bs prfbatc subscvfptfon, fn 1861. 



No. fZ,s.iH 



llA^^j^.lL.I%qi. .ikks.lO. t%9^ 



