PLATE IX. 



Fig. Page. 



1. Acteonina scarburgensis, Lycett. — Scarborough. Li the Sedgwick 



Museum. Showing colour bands. 95 



2. Acteonina elongata, sp. nov. — Scarborough. In the collection of Mr. 



Hudleston. 2 a, back view ; 2 b, front view. 96 



3. Acteonina cinerea, Hudleston. — Scarborough. In the Sedgwick Museum. 97 



4. Acteonina luidii, Morris. — Near Chippenham. In the British Museum 



(no. 5-4043). 97 



5. Oylindrites thorenti (Buvignier). — Corscombe. In the Museum of 



Practical Geology (no. 8672). 98 



6. Hydatina undulata (Bean). — Scarborough. In the British Museum 



(no. G. 16998). The type, showing the relics of the colour banding. 



6 a, front view; 6 b, top view. 99 



7. Hydatina magnifica, sp. nov. — Bedford. In the British Museum 



(no. G. 314). 7 a, front view; 7 b, top view. 100 



8. Hydatina limitata, sp. nov. — Chippenham. In the Museum of Practical 



Geology (no. 8676). 8a, front view; 8 b, back view, showing 

 colour marking. 100 



9. Vanikoro canaliculata, sp. nov. — In the Sedgwick Museum. 9 a, from 



behind ; 9 b, from front. 98 



10, 11. Natica punctura (Bean) ; two specimens, back view. — Scarborough. 



In the British Museum. 79 



12. Dentalium glabellum, sp. nov. — Scarborough. In the British Museum 



(no. G. 16996). 101 



13. Nautilus calloviensis, Oppel. — Peterborough. Collected by Prof. E. G. 



Garwood. 13 a, side view ; 13 b, front view. 36 



