I 



pfcarg of % gtirscum 



OF 



COMPARATIVE ZOÖLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 

 jfpunfcelf im pvfbate suftscifjptfon, in 1861. 



Deposited by Alex. Agassiz 

 from the Library of LOUIS AGASSIZ. 



No. /' 



