Vt^/vsT 



i'ibrarn of tbc Museum 



OF 



COMPARAT1VE ZÜOLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 

 JFounUet by pritoate subseviptton, in 1861. 



Deposited by ALEX. AGASSIZ. 



, No. /&, &?6 



: <^.l /f<?o-%jLsru;/Q / /fol 



