^uz 



161.2 







Al«x. AgaSBte. 







i^ifearg üf i\t ©xtscxint 







OP 





COMPARATIYE ZOÖLOGY, 



i 





i 



AT HARVARD COLLEGE, CAMBRIDGE, MASS, 





iTountietr ö^ pribate stitscrfption, in 1861- 





Deposited by ALEX. AGASSIZ. 





No./^^^' 



