H. 3 



I ■ 



Alex. Agassiz. 



tihxmia ai t^e ITitscunt 



OP 



COMPARATIVE ZOÔLOGY, 



AT HARVARD COllECE. CAMBRIDGE, MASS. 

 J^ounïfft b„ prfbatc subscrfjtfon, fn 1861. 



Deposited by ALEX. AGASSIZ. 



No. Q^^/ 6/ 



