PLATE XV. 



YORKSHIRE SHELLS. 



Fig. 



1. Trochus raonilitectus, p. 116. 



la. magnified view. 



2. Turbo elaboratus, and Plate IX, fig. 27, p. 116. 

 20. magnified view. 



3. Nerita pseudocostata, p. 114. 



30. magnified view. 



4. Eulima levigata, p. 314. 



5. Cerithium Beanii, p. 112. 



6. Cerithium gemmatum, p. 115. 



7. Chemnitzia? vetusta, j. 114.* 



8. Chemnitzia? Scarburgensis, p. 115. 



9. Actaeon Sedgvici, p. 118. 



10. Actseonina glabra, p. 120. 



11. Actaeon pullus, p. 118. 



12. Turbo Phillipsii, /?. 117. 



12a. back view. 



12. surface magnified. 



13. Actaeonina gigantea, p. 1 1 9. 



14. Actaeonina tumidula, p. 120. 



15. Alaria composita, var. Phillipsii, and Plate III, fig. 5, p. Ill, and p. 18. 

 15. magnified view. 



1 6 . Phasianella latiuscula, p . 117. 



17. Natica adducta, p. 112, front view. 

 17. back view. 



18. Natica punctura, p. 112. 



18a. surface magnified. 



19. Phasianella striata, jo. 118. 



20. Natica (Euspira)? cincta,jo. 113. 



21. 21a. Trochus? Leckenbyi, p. 115. (In Mr. Leckenby's collection.) 



* In this figure the costee near the suture are too much indented. 



