^ibrarg of % lllwseum 



OF 



COMPARATIYE ZÜÖLOGY, 



AT BARVABD COLLEGE, CAMBRIDGE, MASS. 

 ifoun'Drt 1)B priiate suliscrijitioii, in 1861. 



Deposited by ALEX. AGASSIZ. 



No. /S^SOS 

 /"/^nr^ra Nov. a, /i^5 



