0 . 
2 0 NGV 
VOL. 1. SO. 2. 
FOSSIL. SHELLS 
THE TERTIARY FORMATIONS 
OF 
NORTH AMERICA, 
ILLUSTRATED BY FIGURES DRAWN ON STONE, 
FROM NATURE. 
BY T. A. CONRAD, 
.Member of the Acad. Nat. Sc. of Philada. 
CONTENTS. 
Lucina acclinis, t. 6, fig, 2. 
Crassatella alta, 7. 
Marylandica, 8, 1. 
- — — protexta, 8, 2. 
— undulata, 9, 1. 
■ ■ melina, 9, 2. 
Turbinella pyruloides 10, 1. 
Ancillaria altile, 10, 2. 
• subglobosa, 10, 3. 
§ 
PHILADELPHIA: 
Sold by JUDAH DOBSON, No. 108 , Chestnut St, 
December, 1832 . 
JV- P. Gibbons, Pr . 
Ancillaria scamba,t. 10, fig. 4. 
— staminea, 10, 5. 
Mactra delumbis, 11. 
Pholadomya abrupta 12. 
Ostrea radians, 13, 1, 
— sellasformis, 13, 2. 
Caroiinensis, 14, 1. 
Yirginiana, 14, 2. 
