VOL. 1 
NO. 1 
FOSSIL SHELLS 
OF 
THE TERTIARY FORMATIONS 
OF 
NORTH AMERICA, 
ILLUSTRATED BY FIGURES DRAWN ON STONE, 
FROM NATURE. 
BY T. A. CONRAD, 
Member of the Acad. Nat. Sc. ofPhilada. 
CONTENTS. 
Area limula, tab. 1, 
fig. 1. 
44 transversa, 44 
2. 
44 stillicidium, 44 
3. 
44 centenaria, 44 
4. 
44 idonea, 44 
5. 
44 incile. tab. 2, 
fig. 1. 
Pectunculus pulvinatus. 
, 2. 
44 subovatus, 
3. 
IVIurex umbrifer, tab. 3, 
fig. 1. 
Fusus exilis, 4fc 
2. 
44 sulcosus, 44 
3. 
44 strumosus, 44 
4. 
t. 3, fig. 
4, 
ii 
Fusus trossulus, 
44 tetricus, 
44 rusticus, 
44 parilis, 
44 cinereus, 44 
Buccinum porcinum, 
44 laqueatum, 
44 altile, 44 
Cypricardia arata, t. 5, fig 1, 
Cardita planicosta, 44 2, 
Artemis acetabulum, t, 6, f 1. 
PHILADELPHIA: 
Sold by JUDAH DOBSON, No. 108, Chestnut Sfe 
October 1, 1832. 
lo CO H Crt CO rf to 
