c c : 



Ifibrarg oi % Museum 



OF 



COMPARATIVE ZOÖLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 



jFouufceÜ bv jtffbate sufcsctfirtfon, fn 1861, 



m>. 73 f s ; 



/ iL 



y&^.;>._ l4/^/0></ 



f / 



