s-^ 



l^ibrarg of % Htuscum 



OF 



COMPARATIVE ZOOLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 



jFotmtJeti fia? prfbate sufoscrfptfon, fn 1861, 



Deposited by ALEX. AGASSIZ. 



No.// fflf, 



jiUj. 3. /fS(o . 



