44 AMERICAN JOURNAL 



and a long anterior lateral tooth, parallel with the hinge margin 

 above it in the right valve. 



G. INFLATA, Conrad. — PI. 1, fig. 10. 



Description. — Length slightly more than height ; anterior 

 ventral margin subtruncated; beaks very prominent; umbonal 

 slope angular ; posterior slope depressed, with a furrow behind 

 the angle of the umbonal slope ; posterior margin truncated, 

 direct. 



Locality. — Crosswicks, N. J. 



The anterior end of the lateral tooth is very little above the 

 cicatrix and extends half way across its upper margin. 



NUQULANID^. 



NUCULARIA, Conrad. 

 N. PAPYRIA, Conrad.— PI. 1, fig. 7. 



Description. — Shell smooth, oblong-oval, not pearly, thin, an- 

 terior hinge margin oblique, teeth angular, end tooth of the pos- 

 terior line complicated. 



Locality. — Haddonfield, N. Jersey. 



ARCIDM. 

 AXINEA, Poll. 

 A. MoRTONi, Conrad.— PI. 1, fig. 14. 



Cast, alluded to by Morton, synopsis, p. 64, No. 3. 

 Locality. — Crosswicks, N. Jersey. 



TELLINID^. 



CYPRIMERIA, Conrad. 



C. SPISSA, Conrad. — PI. 1, fig. 9. 



A cast of a comparatively short, thick, subequilateral species. 

 Locality. — Crosswicks, N. J. 



DENTALLLDM. 



DBNTALIUM, Linn. 



D. FALCATUM, Conrad.— PI. 1, fig. 12, 16. 



Description. — Falcate, smooth, somewhat expanding towards 

 the base. 



Locality. — Crosswicks, N. J. 



