P1.9' 

 explaxatio:t of the plates. 52' 



PLATE YIII. 



Natmd(B. 



1. Natiea canrena, L sp. |. Cliina 235 



2. {Globuli(s) sigaretina, Lam. §. Eocene, Paris 236 



3. {Cernina) fluctuata, Sby. ^ PhiHppines 236 



'i. Sigaretiis haliotoides, L. sp. f. W. Indies 236 



o. {Katlcina) papilla, Chemu. sp. Africa 236 



6. Lamellaria perspicua, Mont. Mediterranean 237 



7. Yelutina laevigata, L. sp. Britain 237 



8. Xarica canceUata, Chemn. sp. Pacific 237 



9. Xeritopsis radnla, L. sp. Sandwich. Islands 261 



Tyramidcllklcc. 



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



11. [Ohliscus) dolabrata, Gmel. sp. AV. Indies ' 238 



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



13. Chemnitzia elegantissima, Mont. sp. |-. Weymoutli 239 



14. Eiilima polita, L. Britain 240 



15. Stilifer astcricola, Brod. Philippines 241 



C'erithiadce. 



16. 16*. Cerithium nodulosmn, Brug. h. Moluccas 242 



17. {Bittium) reticulatum, Da Costa. Britain 242 



IS. Triforis perA-ersum, L. sp. Mediterranean 242 



19. Potamides mixtus, Defr. Eocene, Paris 243 



20. {rijmzHs) palustris, Brug. \. India 243 



21. • {Terehndia) telescopium, Brug. |. India 243 



22. {Pirenella) mammiUatus, Eisso. sp. Mediterranean 243 



23. • {Lamiianid) zonalis, Lam. Chusan 244 



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



Mdaniadce. 



25. 25-. Melania amarula, L. sp. §. Madagascar 246 



26. {Melanatria) fluminea, Gm. sp. |. Madagascar 247 



27. (J/f?f(/?«2;s) fluviatilis, Say. f. U. States . . 247 



28. {Ancidotiis) pra^morsa, Say. U. States^x<^CT.|.'' 



29. ( Vihex) fuscata, Gm. sp. Africa . ./^.v. . . . .^,. ,W / 



30. Melanopsis costata, Fer. Syria J.i^ . ^'. . . . . . 254^ 



3 1 . {Pirena) atra. L. sp. n . Ceylon /^ . ;^ . . t* .'; . %48 ' 





I r . 



. C^Nf^lA^s^ CN/ 



