PLATE VI. 



Fig. 



Names of the shells. 



PAGE 



Localities from which the specimens figured 

 were obtained. 



1, a, b. Cassis Saburon .... 



2, a. Cassidaria bicatenata, var. eca 



tenata . 



2. b. — (a young specimen) 



3. a, b. Pleurotoma hjstrix . 



4. — coronata 



5. Nassa reticulata .... 



6. — pygmcsa .... 



7. — pulc/tella .... 



8. — densecostata . 



9. Pleurotoma Artica ? (P. vio- 



lacea of A. Bell) 



10. Cancellaria spinulosa, var. subspinu- 



losa 



11. Nassa granifera 



12. Cancellaria viridula, var. Couthougi . 



13. Pleurotoma crispata 



14. Voluta luctatrix 



15. Pleurotoma Icevigata 



16. — septangular is . . . . 



17. — bicarinata 



18. — assimilis 



19. Cancellaria contort a 



20. Trophon Barvicensis 



10 Red Crag, Waldringfield (derived?). 



11 Cor. Crag, near Orford. 



11 Red Crag, Waldringfield. 

 41 Red Crag, Walton Naze. 



32 Red Crag, Waldringfield (derived ?). 



14 Post-glacial, Kelsey Hill. 



12 Post-glacial, Nar Valley. 



12 Cor. Crag, near Orford. 



13 Cor. Crag, near Orford. 



45 Red Crag, Waldringfield. 



49 

 11 



97 

 35 



7 

 42 

 38 

 43 

 40 

 46 

 27 



Cor. Crag, Sutton. 



Cor. Crag, near Orford. 



Red Crag, Butley. 



Cor. Crag, Ramsholt. 



Red Crag, AValdringfield (derived?). 



Red Crag, Butley. 



Post-glacial, Nar Valley. 



Red Crag, Butley. 



Middle Glacial, Billockby. 



Cor Crag, near Orford. 



Red Crag, Waldringfield. 



(This Plate was engraved in 1871.) 



