NATURAL SCIENCES OF PHILADELPHIA. 117 



8. C. Corbierei, Jonas, Menke Zeitsch. 12G. 1846. Savigny, 



Desc. Eg}'pte, t. 14, f. 8. 



Red Sea. 



9. C. corrugata, Brod. Zool. Trans, i. 305, t. 31, f. 7. Reeve, 



Icon. sp. 9. 184G. 



Real Llejos, Central America. 



10. C. crenulata, Lamarck. 



{not identified.) 



11. C. cornucopia, Reeve, Icon. sp. 22. 1846. 



Red Sea. 



12. C. cristella, Lamarck, Anim. s. Vert. Reeve, icon. sp. 42. 



1847. 



Batavia South Australia. 



13. C. crocata, Lamarck. 



(not identified.) 



14. C. Claasseni, Jonas, Zeit. Malak. 127. 1846. 



Red Sea. 



15. C. decussata, Lamarck. 



(not identified.) 



16. C. divaricata, Reeve, Icon. sp. 20. 1846. 



Philippines. 



17. C. exigua, Reeve, Icon. sp. 47. 1847. 



Singapore. 

 AS. C. echinata, Brod. Zool. Trans, i. 305, t. 39, f. 5. Reeve, 

 Icon. sp. 35. 1847. 



Porto Portrero, Central America. 



19. C. exogyra, Conrad, Journ. Philad. Acad. vii. Reeve, Icon. 



sp. 38. 1847. 



California, Mexico. 



20. C. fibula, Reeve, Icon. sp. 27. 1846. 



Philippines. 



21. C. Florida, Lamarck, Anim. s. Vert. Reeve, Icon. sp. 49. 



1847. 



Honduras. 



22. C. foliacea, Quoy, Voy. Astrol. Reeve, Icon. sp. 8. 1846. 



Philippines. 



23. C. frondosa, Brod. Zool. Trans, i. 302, t. 38, f. 1, 2. Reeve, 



Icon. sp. 1. 1846. 

 C. pmrpurascens, Conrad. 



W. Columbia to Mazallan. 



