276 CONRAD'S DESCRIPTIONS OF NEW FOSSIL SHELLS OF THE U. S. 



ASTARTE. 



A. PARiLis. PI. 24, fig. 16. — Small, triangular, equilateral, compressed ; basal margin regularly rounded ; 

 angles of the end margins situated at about equal distances from apex and base ; disk concentrically 

 undulated. 



Locality. Monmouth county, N. J. 



DEiNTALIUM. 



D. SUBARCUATUM. PI. 24, fig. 13. — Slightly curved ; tapering very gradually, flattened on the side of the. 

 outward curve, where a longitudinal raised line is margined by an impressed line on each side ; on the 

 inside curve is a longitudinal impressed line ; another impressed line runs on one of the sides. (A cast 

 • and fragment.) , 



Locality. New Egypt, N. J. 



REFERENCES TO PLATE XXIV. 





Terllary Species. 



Fig. 1, 2. 



Gnathodon Lecontci. 



C 



'retaceous Species. 



3,4. 



Exogyra caprina. 



5, 6. 



Avicula abrupta. 



7. 



Venilia rhomboidea. 



8. 



gponJylus capax. 



9. 



Crassatella subplana. 



10. 



Pecten quinqucnaria. 



11. 



Solemya planulata. 



12. 



Cardium protextum. 



13. 



Dentalium subarcuatum 



14. 



Tellina densata. 



15. 



Avicula petrosa. 



16. 



Aslarte parilis. 



17. 



Area uniopsis. 



18. 



Lucina pinguis. 



19. 



Panopaea decisa. 



