^'/ 



'g'ihtnxv of t^z Piisatm 



COMPARATIYE ZOÖLOGY, 



AT HARVARD COLLEGE, CAIBRUGE, MASS. 

 jyouittietr 1)5 priöate suiscription, in 1861. 



Deposited by ALEX. AGASSIZ. 



No. 70/ J 



I 



