Conchifera. j^g^ Cercomya. 



Cercomya, Agas. 1842. 

 inflata, Agas. (Anatina), Etud. Crit. 153, 11, 22-24. 



Ceromya, Agas. 1842 (GLOSSUS, Poll, 1795). 



crassicornis, Ag. (Glossus), Etud. Crit. pi. 8, f. 11-16. 

 Neocomensis, Ag. (Glossus), id. pi. 8, f, 5. 



CHAMA, Brug. 1789.* 



Ammonia, Goldf. (Caprotina), Petr. pi. 138, f. 8. 



angulosa, d'Orb. P. F. 699, 464, 8. Fr. C, 



canaliculataj Sow. (Gryphaea), M. Con. pi. 26. 



conica, Sow. (Exogyra), M. Con. pi. 26. 



cornucopiae, d'Orb. P. F. 689, 464, 8-9. Fr. 0. 



costata, Roem. Xord. Kreid. 67, 8, 20. G. C. 



cretacea, d'Orb. P. F. 689, 464, 1-2. Fr. U. G. 



halwfoidea, Sow. (Exogyra), M. Con. pi. 25. 



laciniafa, Nilss. (Exogyra), P. Suec. 28, 8, 2. 



Plauensis, Geinitz, Quadersand. G. 



pUcata, Sow. (Exogyra conica), M. Con. pi. 26. 



recvrvata, Sow. (Exogyra conica), M. Con. pi. 26. 



semiplana. Room. Nord. Kreid. 67, 8, 19. G. C. 



CIBOTA, Brown, 1756 (Navicula, Blainv. 1818. Byssoarca, 



Swains, 1820). 



lintea, Con. Jour. Acad. 2d s. vol. iii, 328, 34, 11. Ala., Miss. C. 

 Marullensis, d'Orb. Sp. (Area), Gabb, 1861. E., Fr. C, N. 



multiradiata, Gabb, 1860, Proc. Acad. 94, 2, 1. N. J. C. 



rostellata, Morton, Sp. (Area), Gabb, 1859, Cat. Cret. p. 10. 



N. J. a 



CLAVAGELLA, Lam. 1812. 



armata, Morton, Synopsis, 67, 9, 11. Ala. Q, 



Cenomaniana, d'Orb. Prod. 157. Fr. U, G. 



clavata, Boem. Sp. (Teredina), Nord. Kreid. 76, 10, 10. G. C. 



* There is a species found in the marls of N. J., ahout an inch and a half in 

 diameter, of which I have seen but a single cast. It is in my collection. 



