EXPLAITATIO^T OF THE PLATES. 527 



PLATE VIII. 



Naticid^. 



Piige 



1. Natica canrena, L sj). f . ddna 235 



2. [Globulus) eigaretina, Lam. -|. Eocene, Paris 236 



3. • {Cernina) fluctuata, SLy. \. PliiliiDpines 236 



4. Sigaretiis haliotoides, L. sp. f . AY. Indies « 236 



5. {licdicina) papilla, Chemn, sp. Africa 236 



6. Lamellaria perspicua, Mont. Iilediterranean 237 



7. Velutina lasvigata, L. sp. Britain 237 



8. ISTarica canceUata, Chemn. sp. Pacific 237 



9. ITeritopsis radula, L. sp. Sandwich. Islands 261 



FijramidelUdce. 



10. PyramideUa aiuis-cati, Chem. sp. Mauritius 238 



11. (OS^^isciifs) dolabrata, G-mel. sp. W.Indies 238 



12. Odostomia plicata, Mont. sp. ^. Britain 239 



13. Ch.eninitzia elegantissima, Mont. sp. -|-. "Weymouth. 239 



14. Eulima polita, L. Britain 240 



15. Stilifer astericola, Brod. Philippines 241 



CeritJiiadce. 



16. 16*. Cerithium nodulosum, Bnig. \. Moluccas 242 



17. [Bittiuin) reticulatum, Da Costa. Britain .... 242 



18. Triforis perrersum, L. sj). Mediterranean 242 



19. Potamides mixtus, Defr. Eocene, Paris 243 



20. {Fyrazus) palustris, Brug. \. India . . = 243 



21. (rere5r«^/«) telescopium, Brug. \. India 243 



22. »- {Firenella) mammillatus, Eisso. sp. Mediterranean 243 



23. • {Lampanici) zonalis. Lam. Chusan 244 



24. {Ccrithidea) decollatus, L. sp. Cape 243 



MelmiiadcQ, 



25. 25*. Melania amarula, L, sp. f. Madagascar 246 



26. {Melanatria) fluminea, G-m. sp. J. Madagascar 247 



27. {Melafusus) fluyiatiHs, Say. f . U. States .... 247 



28. [Anculotus) prsemorsa, Say. U. States 247 



29. ( Vihex) fuscata, Gm. sp. Africa 247 



30. Melanopsis costata, Per. Syria 248 



31. {Firena) atra. L. sp. |. Ceylon 248 



