Fig. 

 7. Helix labyrinthica. No. 20, p. 67. 



a. Back view, natural size. 



b. Under surface, magnified. 



c. Back view, ditto. 



d. Front view, ditto. 



e. Portion of the whorl magnified. 



•a* 



8. Helix Vectiensis. No. 14, p. 62. 



a. Back view, natural size. 



b. Under surface of a cast, magnified. 



c. Front view, magnified. 



d. Back view of a cast, ditto. 



e. Portion of the whorl, magnified. 



9. Pedipes glaber. No. 66, p. 115. 



a. Back view, nat. size. 



b. Ditto, magnified 



c. Front view, ditto. 



10. Helix occlusa. No. 17, p. 64. 



a. Front view of a specimen with the shell preserved. 



b. Back view of ditto. 



c. Front view of a cast. 



d. Under surface of ditto. 



e. Back view of ditto. 



11. Cyclotus nudus. No. 68, p. 117. 



a. Front view. 



b. Back view. 



12. Operculum of Cyclotus. 



a. View of the outer disc. 



b. Side view. 



