pbrarg of i^t 



OP 



Slusaxm 



COMPARATIVE 



ZOOLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 



jFowniieït 1)2 prtbate suïiscrîptfon, fn 1861. 



1 



dt. 



No. f^^ÛtC 



1 



' 





