PLATE LII. 



Fia. Page. 



1. Litforina littorea (Linne), Bramerton. (Norwich Museum) . . 645 



2. Ditto. Bramerton. (Reeve Collection) .... 645 



3. Ditto. Garvel Park. (Harmer Collection) . . . 645 



4. Ditto. March. (Harmer Collection) . . . .. 645 



5. Ditto. Bramerton. (Harmer Collection) . , . 645 



6. Ditto. Butley. (Crowfoot Collection) .... 645 



7. Ditto. Bramerton (Reeve Collection) .... 645 



8. Ditto. Bramerton. (Harmer Collection) . . . 645 



9. Ditto, var, vnhjaris, S. V. Wood. Bramerton. (Harmer Collection) 647 



10. Ditto, ditto. Bramerton. (Harmer Collection) . . . 647 



11. Ditto, ditto. Bramerton. (Harmer Collection) . . . 647 



12. Ditto, var. parva, nov. Bramerton. (Harmer Collection) . . 648 



13. Ditto, var. antlqtia, S. V. Wood. Bramerton. (Fitch Collection) . 648 



14. Ditto, var. f<ulcafa, S. Woodward. Bramerton. (Wigliam Collection) 649 



15. Ditto, ditto. Bramerton. (Fitch Collection) . . . 649 



16. Ditto, var. distorta, nov. Bramerton. (Norwich Museum) . 649 



17. Ditto, var. conica, nov. Bramerton. (Fitch Collection) . . 649 



18. Ditto, var. elegaiis, S. V. Wood. Bramerton. (Fitch Collection) . 650 



19. Ditto, var. complanata, nov. Thorpe. (Sedgwick Museum) . 651 



20. Ditto, ditto. Bramerton. (Fitch Collection) . . .651 



21. Ditto, var. cariuata (S. Woodward). Bramerton. (Crowfoot Collec- 



tion) ....... 651 



22. Ditto, ditto. Bramerton. (Fitch Collection) . . . 651 



23. Ditto, var. bicaruiata (S. Woodward). Bramerton. (Crowfoot Collec- 



tion) . . . . . . .652 



24. Ditto, ditto. Bramerton. (Fitch Collection) . . . 652 



25. Ditto, var. (dujulaia, nov. Bramerton. (Fitch Collection) . 652 



26. Ditto, var. truiicata, Linne. Bramerton. (Fitch Collection) . 652 



27. Littoruia ohtasata, Linne. Portland. (Harmer Collection) . .661 



28. Ditto, ditto. Wexford. (Harmer Collection) . . . 661 



29. Ditto, ditto. Bramerton. (Harmer Collection) . . . 661 



