SEtbrarg of i\t SJusenm 



OF 



COMPARATIVE ZOÓLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 



j^ounticU b£ pnbate eubscrfjitfoti, in 1861. 



Deposited by ALEX. AGASSiZ. 



No. 



^JckirlJ^ tfi 



