PLATE III. 



Fig. 



Names of the shells. 



PAGE 



Localities from which the specimens figured 

 were obtained. 



1. 



Trophon craticulatus 



25 



2, a, b. 



Pleurotoma inermis 

 a, var. nodulosa ; b. var. ^wc?« 



33 



3. 



Pleurotoma hispidula 



42 



4. 



Trophon ventricosus ? . 



22 



5. 



Pleurotoma Tarentini . 



34 



6. 



Mitra ebenus, var. uniplicata . 



7 



7. 



Pleurotoma attenuata . 



38 



8. 



— elegantula . 



36 



9, a, b. 



— pyramidalis 



43 



0, «, 3. 



Trophon scalariformis . 



26 



11. 



— Bamffius .... 



26 



12. 



Pleurotoma scalaris .... 



39 



13. 



— Dowsoni 



39 



14. 



— — ... 



39 



15. 



— elegantior . 



38 



16. 



— robusta .... 



40 



17. 



— equalis .... 



44 



18, a, b. 



Trophon Gunneri .... 



27 



19. 



Cerithium tricinctum 



51 



20. 



— ? aberrans . 



50 



21. 





51 



22, a, b. 



Cancellaria ? Charlesworthii . 



48 



23. 



— gracilenta 



46 



24. 



— cancellata . 



48 



25. 



— Bellardi 



47 



26. 



— Bonellii 



48 



27. 



— subangulosa {Ad- 







mete Reedii) 



47 



Upper Glacial, Bridlington. 

 I Cor. Crag, near Orford. 



Cor. Crag, near Orford. 



Upper Glacial, Bridlington. 



Cor. Crag, near Orford. 



Cor. Crag, near Orford. 



Cor. Crag, Ramsholt. 



Cor. Crag, Ramsholt. 



Fluvio-inarine Crag, Thorpe, in Suffolk. 



Upper Glacial. Bridlington. — N.B. Since 

 the text was printed off, this shell has 

 occurred in the Post-glacial gravel of 

 March. 



From a Clyde bed specimen. 



Upper Glacial, Bridlington. 



Chillesford bed, Aldeby. 



Upper Glacial, Bridlington. 



Upper Glacial, Bridlington. 



Upper Glacial, Bridlington. 



Red Crag, Butley. 



Upper Glacial, Bridlington. 



Cor. Crag, Sutton. 



Cor. Crag, near Orford. 



Post-glacial, freshwater, Grays (derived ?). 



Red Crag, Waldringfield (derived?). 



Cor. Crag, Sutton. 



Cor. Crag, Ramsholt. 



Red Crag, Sutton (derived?). 



Red Crag, Sutton (derived?). 



47 Cor. Crag, near Orford. 



(This Plate was engraved in the beginning of the year 1870.) 



