REPU BLIC ATION 







QONRAD'S, T. 



FOSSIL SHELLS 



OP THE 



TERTIARY FORMATIONS 



OF 



NORTH AMERICA. 



BY 



GILBERT DENNISON HARRIS. 



, WASHINGTON: 

 Hurus H. DARBT, PRINTER, 

 April, 1803. 



Sent poat-piild to any addrew within the Poatal Union until Nov. 1, 1803, for $3.00; 

 After, $3.50 Addrow Q. D. Harrla, Smlthsoniau Institution, WMhinyton, D. 0., U. 8. A. 



OF CALIFQRffiA 



