PLATE XXXIX. 



Fig. 



1. Pleurotoma contigua (Brocchi). Scaldisien, Antwerp. (Harmer Collection) 



2. Ditto. Italian Pliocene. (Hanner Collection) 



3. Baphitoma concinnata (S. V. Wood). Coralline Crag. (Jermyn Street) 



4. Ditto. Coralline Crag. (Cambridge Museum) 



5. Baphitoma nuperrima (Tiberi). Coralline Crag. (Cambridge Museum) 



6. Baphitoma nevropleura (Brugnone). Foxhall. (Jermyn Street) 



7. Baphitoma compacta (Etheridge and Bell). St. Erth. (Jermyn Street ) 



8. Baphitoma Hornesii (Mayer). St. Erth. (Jermyn Street) . 



9. Baph it oma consimilis, sp. nov. G-edgrave. (Cambridge Museum) 



10. Baphitoma mitrula (S. Y. Wood). Little Oakley. (Harmer Collection) 



11. Ditto. Little Oakley. (Harmer Collection) 



12. Ditto. Little Oakley. (Harmer Collection) 



13. Ditto. Little Oakley. (Harmer Collection) 



14. Baphitoma substriolata, sp. nov. Recent. (Harmer Collection) 



15. Ditto. Little Oakley. (Harmer Collection) 



16. Baphitoma tenuistriata (A. Bell). Wexford. (Harmer Collection) 



17. Baphitoma Keepingi (Etheridge and Bell). St. Erth. (Cambridge Museum) 



18. Mangilia costato-striata (S. V. Wood). St. Erth. (Cambridge Museum) 



19. Ditto. St. Erth. (Cambridge Museum) 



20. Many ilia assimilis, sp. nov. Little Oakley. (Harmer Collection) 



21. Mangilia Bertrandi (Payraudeau). Little Oakley. (Harmer Collection) 



22. Ditto. Monte Mario. (Harmer Collection) 



23. Ditto. Gedgrave. (Cambridge Museum) 



24. Mangilia Givynii (Etheridge and Bell). St. Erth. (British Museum) 



25. Beta Sarsii, Verrill. Recent. (Harmer Collection) 



26. Ditto. East Runton. (Norwich Museum) 



27. Beta elegans (Moller). Bridlington. (Headley Collection) 



28. Beta aiigulosa, G. O. Sars. Bridlington. (Cambridge Museum) 



29. Brio bicarinata (Couthouy). Bridlington. (Headley Collection) 



30. Bela multistriata (Jeffreys). Bridlington. (Headley Collection) 



31. Bela borealis (Reeve). Wexford. (Harmer Collection) 



32. Bela Trevelyana (Turton). Wexford. (Harmer Collection) . 



33. Clathrurella minuta, sp. nov. Ramsholt. (Ipswich Museum) 



34. Clathrurella linearis (Montagu). Wexford. (Harmer Collection) 



35. Drillia Jeffreysii, sp. nov. Coralline Crag. (Ipswich Museum) 



36. Drillia galerita (Philippi) . Little Oakley. (Harmer Collection) 



37. Bonovania lineolata (Tiberi). Selsey. (British Museum) 



38. Bonovania multilineata (Etheridge and Bell). St. Erth. (British Museum) 



39. Bonovania candidixsima (Philippi). St. Erth. (British Museum) 



40. Brocchinia mitrseformis (Brocchi) . Gedgrave. (Harmer Collection) . 



41. var. costata, nov. Felixstow. (Harmer Collection) 



42. Admete viridula (Fabricius). Little Oakley. (Harmer Collection) 



43. Ditto. Little Oakley. (Harmer Collection) . , 



44. Ditto. Little Oakley. (Harmer Collection) 



45. Ditto. Gomer pit. (Cambridge Museum) 



46. Ditto. Wexford. (Harmer Collection) .... 



47. Ditto. Orford. (Cambridge Museum) .... 



48. var. Couthouyi (Jay), Boyton. (Jermyn Street) 



49. ditto. Butley. (Harmer Collection) 



50. Admete Wouweri, sp. nov. Scaldisien, Antwerp. (Harmer Collection) 



51. Admete graeilenta (S. V. Wood). Boyton. (Cambridge Museum) 



52. Ditto. (Ipswich Museum) 



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