Alex. Agassiz. 



OF 



COMPARATIVE ZOOLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 

 jFouiiîieîJ l)u priijate substvtpttou, in 1861. 



Deposited by ALEX. AGASSIZ. 



No. n, ésj 



Jp.^^1. i^^o 



K 



