3öM 



2^0,^ 



OF 



COMPATtATIVE ZOÖLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 

 jFountietr i);i) pcföate sul)Scrf|)tfon, m 1861. 



DR, L. DE KONINCK'S LIBRARY. 

 No. 11^, 



