, -^ 



^ibrarn of l^e ütusnim 



OF 



COMPARATIYE ZOOLOGY, 



AT HARVARD COLLEGE, CABRIDGE, MASS. 

 JfounïJeïr bv prfbate subscrfptfon, in 1861. 



^-^'^-^V^.-.'^^'V '■ 



Deposited by ALEX. AGASSIZ. 



