r 



"P! _ f\Ai^-s.-r'ij^^2 



^tbrarg oi tjr« S«sntm 



OP 



COMPARATIYE ZOÖLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 



iFounXrctr b» prfbate sutscrfptfon, fn 1861. 



No. ^^d'V 



