iu;s 



^tbrarg of tfje ^uscitm 



OF 



COMPARATIYE ZOÖLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 



iFounlreti tj prfbate suöscrfptfon, fn 1861. 



CL^i^yxycu 



No. r^^7 



^ff:L^r\y. 



z^y^ys. 



