]ma:xijal of the mollusca. 



PLATE IX. 



Turritdlklce. 



Page 



1. Tuiritella imhricata, L. W. Indies 248 



2. [Mcsalici) sulcata, var. Lam. Eocene, Paris 249 



3. [Proto) catliedralis, Brongn. I-. Miocene, Bordeaux 249 



4. Aclis suj)ianitida, Wood. ^. Guernsey 240 



5. Cfficum trachea, Mont. A. Britain 249 



6. (fry, magnified A.) 249 



7. Vermetus lambricalis, Gm. sp. (young). W. Africa 249 



8. Siliquaria anguina, L. sp. h Kcw Guinea 249 



9. Scalaria prctiosa, Lam. §. China 250 



Littori)udc€. 



10. Littorina littorea, L. Britain 250 



11. {Tectaria) pagodus, L. h Zanzibar 252 



12. ■ [Fossarus) sulcatus, S. Wood. Mediterranean 253 



13. {Modulus) tectum, Gm. sp. N. Australia 252 



14. {Riselld) nana. Lam. sp. -|. Tasmania 253 



15. Solarium perspectivum, L. sp. f . China 253 



16. Lacuna pallidula. Da Costa. Britain 255 



17. Eissoa labiosa, Mont. Bi-itain 255 



18. {Ilt/ch-ohia) vdvse, Penn. Britain 256 



19. {Jeffrey sia) diaphana, Alder. (Operculum) Britain 256 



20. {Skeneci) planorbis, 0. Fabr. {^^ inch). Britam .... 256 



21. Nematura deltae, Bens. 2.. India : 256 



22. Lithoglyphiis fuscus, Pfr. sp. Danube 257 



23. Amnicola isogona, Say. U. States 247 



24. Litiopa bombyx, Kiener. Mediterranean 255 



25. TruncateUa subtruncata, Mont. sp. ^. Mediterranean 250 



Faludinidcc. 



26. Paludina Listeri, Hanley. \. Norwich 257 



27. {Bithynici) tentaculata, Mont. Norwich 258 



28. Valvata piscinalis, Mlill. Norwich 260 



29. cristata, Miill. Norwich 260 



30. Ampullaria globosa, Sw. h India 258 



31. ■ {Marisa) cornu-arietis, L. sp. Brazil 259 



32. {Lanistes) Bolteniana, Chemn. sp. h, Nile 259 



33. Amphibola australis. New Zealand 259 



34. Paludomus aculcatus, Gm. sp. Ceylon 247 



NcrUideo. 



35. Nerita ustulata, L. Scinde 260 



36. {Velates) perversus, Gm. sp. Eocene, Soissons 261 



37. 38. Pileolus plicatus, J. Sby. Bath Oolite, Ancliff 261 



39. Neritina zebra, Brug. Pacific 261 



40. crepidularia, Less. India 201 



41. Navicclla porcellana, Chemn. sp. Mauritius — Pacific 262 



