V X 



^liiir -All i-> 



fiirrarj) of tlje gtttscum 



OF 



COMPARATIYE ZOÖLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE. MASS. 

 jFountretr tj prfbatc subscrfptfon, fn 1861. 



Deposited by ALEX. AGASSIZ. 



No. l'\I^X% 



