^ R 



Cf^ Jj 



^ibrarn of t^e ^uscum 



COMPARATIVE ZOÔLOGY, 



AT HARVARD COLIECE, CAMBRIDGE, MASS. 

 JFounïe'O f)g pïibatc suiscriiition, in 1861. 



Deposited by ALEX. AGASSIZ. 



No. IJli,. 



r,-< -YXAxnfuu. 



