cy^ 



"^'iSbtnjovv^ \Cv«A.?^ 



Alex. Agassiz. 



ErbrarD of tbe Museum 



OF 



COMPARATIVE ZOÖLOGY, 



AT HARVARD CöllEfiE, CAMBRIDGE, MASS. 

 JFounBrti fau i3'''^'ilc subsciiptiou, in 18(51. 



Deposited by ALEX. AGASSIZ. 



