PLATE XII. 



Fig. Page. 



1. Llomesus canallculaftis (Dall). Butley. (York Museum) . . 115 



2. Ditto. Pliocene, Iceland. (Morcli Collection) . . .115 

 8. Murexradis, Bovson. Isle of Man. (Jermyn St. Museum) . . 122 



4. Ditto. Miocene, Touraine. (Dautzenberg Collection) . . 122 



5. Ditto. Isle of Man. (Jermyn St. Museum) . . .122 



6. Triton lieptagoiitun (Bvocchi). Italian Pliocene, Asti. (Harmer Collection) 120 



7. Ditto. Little Oakley. (Harmer Collection) . . .121 



8. Ocinehra iortuosa (J. Sowerby). 



var. ho!/lone)isis, nov. Boyton. (Ipswich Museum) . . 125 



[). var. minor, nov. Isle of Man. (Jermyn St. Museum) . 125 



10. ditto. Little Oakley. (Harmer Collection) . .125 



11. ditto. Isle of Man. (Harrison Collection) . . . 125 



12. Ocinehra erinacea (Lmne). Isle of Man. (Harmer Collection) . 124 



13. Ditto. Isle of Man. (Jermyn St. Museum) . . . 124 



14. Ditto. Isle of Man. (Harrison Collection) . . .124 



15. Urosalpinx cinereus, Say. Recent, Maine (Boston Museum, U.S.A.) . 126 



16. Ditto. Pliocene, Iceland. (Morcli Collection) . . . 126 



17. Ditto. Little Oakley. (Harmer Collection) . . . 126 



18. Trophon imiricntus^M.o'aiQ.gn. Little Oakley. (Harmer Collection) . 131 



19. Yar. Ni/sti, iiov. Little Oakley. (Harmer Collection) . ]33 



20. var. similis, nov. Little Oakley. (Harmer Collection) . 133 



21. var. ralida, noY, Little Oakley. (Harmer Collection) . 132 



22. Trophon Lampliujhl, sp. nov. Isle of Man. (Jermyn St. Museum) . 134 



23. Trophon truncatus (Strom). March gravels. (Harmer Collection) . 129 



24. Ditto. Little Oakley. (Harmer Collection) . . .129 



25. Trophon clathratas (Linne). Isle of Man. (Harrison Collection) . 127 



26. Trophon Gunneri (Loven). Bramerton. (Norwich Museum) . 128 



27. Trophon Fahricii (Beck), Moller. Isle of Man. (Jermyn St. Museum) 130 



28. Ditto. Little Oakley. (Harmer Collection) . . .130 



29. var. Balliji, A. Bell. Wexford Grravels. (Jermyn St. Museum) 131 



30. Purpura derivata, sp. nov. Little Oakley. (Harmer Collection) . 119 



31. Stenomphalus Wiechmanw, von Koenen. Little Oakley. (Harmer 



Collection) . . . . . .120 



32. Ancllla Nysti, sp. nov. Little Oakley. (Harmer Collection) . 52 



33. Ditto. Miocene, Belgium. (Harmer Collection) . . 52 



