OF 



COMPARATIYE ZOÖLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 

 j^ountiet) hg -ptibate ßuiiscrfjjtfon, fn 1861. 



F/io/y thE Lia.flAfi.il of Lou/.s A&ftss, 



ss, z 



No. 1*2.2% 



