VOL. 1. 



NO. 2. 



FOSSIL SHELLS 



THE TERTIARY FORMATIONS 



OF 



NORTH AMERICA, 



ILLUSTRATED BY FIGURES DRAWN ON STONE, 

 FROM NATURE. 



BY T. A. CON BAD, 



Member of the Acud. Nat. Be. of Pbilada. 



Luciua acclinis, 

 Crassatella alta, 

 - Marylandica, 



protexta, 



u i id u hit a, 



iiu'liua, 



Turbinel la pyruloides 



Ancillaria altile, 



subglobosa, 



t. 10, tig. 4 



10, 5. 

 11. 

 12. 



18, 1 



13, 2. 



14, 1 

 14, 2 



PHILADELPHIA ! 



Bold by JUDAII DOBSON, No. 108, Chestnut St. 

 Pecember, 1832. 



IK. P. 0<Wx>/w, Pr, 



[37] 



