PLATE LVI. 



Fig. Page. 



1. Natica clausa,, Broderip and Sowerby. Uddevalla. (Harmer Collec- 



tion) ....... 672 



2. Ditto. Butley. (Harmer Collection) . . . .672 



3. Ditto. Post Pliocene, Norway. (Harmer Collection) . . 072 



4. Ditto. Pleistocene, Japan. (Harmer Collection) . . . 672 



5. Ditto. Pleistocene, Montreal. (Harmer Collection) . . (172 



6. Natica affinis (Gmelin). Little Oakley. (Harmer Collection) . 674 



7. Ditto. Pleistocene — Reggio. (Harmer Collection) . .674 



8. Natica (Ltinatia) pallida, Broderip and Sowerby. Butley. (British 



Museum) . . . . . .693 



'.». Ditto. Recent. (Harmer Collection) .... 693 



10. Ditto. Little Oakley. (Harmer Collection) . . . 693 



11. Ditto. Butley. (British Museum) .... 693 



12. Natica Beyrichi, v. Koenen. St. Erth. (British Museum) . . 680 



13. Natica Goodmani, Etheridge and A. Bell. St. Erth. (British Museum) 680 



14. Natica occlusa, S. V. Wood. Butley. (Sedgwick Museum) . . <>7<> 



15. Natica (Lunatia) approximata, Etheridge and A. Bell. ]\IS. St. Erth. 



(British Museum) ..... 695 



16. Natica (Polinices) hemiclausa (J. Sowerby). Little Oakley. (Harmer 



Collection) . . . . .698 



17. Ditto, var. oahleyensis, nov. Little Oakley. (Harmer Collection) . 699 



18. Natica Goodmani, Etheridge and A. Bell. St. Erth. (British Museum) 680 



19. Natica (Lunatia) nana (MoWer). Kelsey Hill. (Hull Museum) . 692 



20. Molleria costidata (Moller). Bridlington. (Harmer Collection) . 7< | 4 



21. Amauropsis islandica (Gmelin). Recent. (Harmer Collection) . 700 



22. Ditto. March. (Harmer Collection) . . . .700 



23. Ditto. Butley. ( Kennard Collection j . . . .700 



24. Amauropsis 0yeni, sp. nov. Little Oakley. (Harmer Collection) . 701 



25. Amauropsis gracilis, sp. nov. Easton Bavent. (Framlingham College) 702 



26. Amauropsis Odhneri, sp. nov. Hollesley. (Kennard Collection) . 702 



27. Amauropsis japovica, A. Adams. Hollesley. (Kennard Collection) . 703 



28. Amaura Candida, Moller. Butley. (Crowfoot Collection) . . 703 



29. Natica (Lunatia) exilis, A. Bell, MS. Easton Bavent. (York Museum) 684 



