^^ I ifi . 4— 



^ilrrarg oi t^e '^mmm 



OF 



COMPARATIYE ZOÖLOGY, 



AT.HARYARD COLLEGE, CAMBRIDGE, MASS. 



JTountreti ö» prfbate suï)scrfptfon, fn 1861. 



ö-u^, 



'ri^.(o.i%~icj 



W: 



