6-3 



^ibrarn of t^c Museum 



OP 



COMPARATIYE ZOOLOGY, 



AT HARVARD COLLEGE, CAMBRIDGE, MASS. 

 jyoiiiitir'd 1)1,1 pvibntc sulisnipti'on, in iSiil. 



/^•/Deposited by ALEX. AGASSIZ. 



PtZ.No. 6 iSi 

 July 6, JS77 



