MOORE ABNORMAL SECONDARY DEPOSITS. 567 



5. Valvata pygrncea, spec. nov. ; upper surface. 

 6. : under surface. 



7. anomala, spec. nov. : upper surface. 



8. — » : profile. 



9. : under surface. 



10, Planorbis Meoidipoisis, spec. nov. : upper surface. 



11. Vertigo MurchisonicB, s^c.noY.: front view. 

 12. : back view. 



13. Patella ornata, spec. nov. 



14. Bimulu Uasiyia, Terq. • upper surface. 

 15. : side view. 



16. elegans, spec, nov.: upper surface. 



17. : side view. 



18. Melania noduh-carinata, spec, nov. : back view, 



19. Keritopsis exigua, Terq. : back view. 



20. cancellatus, spec. nov. : back view. 



21. Neritina canalis, Terq., front view. 

 22. : back view. 



23. arenacea, Terq. : front view. 



24. : back view. 



25. Hettangi^nsis, Terq. : front view. 



26. : back view. 



27. Trochotoma Lycettii, spec, nov. : front view. 



28. : base view. 



29. Brocastellensis, spec. nov. : back view. 



Plate XVI. 



Jig. 1. Biscohelix cornucopia, spec, nov. : upper surface. 



2. : base, showing umbilicus, aperture, and winged area. 



3. : section of chambers. 



4. jimhriatu&, spec. nov. : upper surface, 



6. : view of back. 



6. Amberleya graiidis, spec. nov. : back view. 



7. apicalis, spec. nov. : front view. 



8. : back view. 



9. : front view of young age, enlarged. 



10. : back view of young age, enlarged. 



11. Turbo reticul<itus, spec, nov, : back view. 



12. : top view. 



13. Brocastellensis, spec. nov. : top view. 



14. tumidus, spec. nov. : top view. 



15. Trochus Deshngchampsii, spec. nov. : back view. 



16. Maria, spec. nov. : front view. 



17. : back view. 



18. Langanensis, spec. nov. : upper view, 



19. AmherUya turrita, spec. nov. 



20. Trochus apicalis, spec. nov. 



21. : view of base. 



22. : back view. 



23. Cerithium verrucosum, Terq. : front view. 



24. Pleurotomaria Mendipensis, spec. nov. : back view. 



25. Chiton radiatum, spec. nov. : dorsal surface. 



26. — : under side. 



27. Cypricardia Winwoodii, spec. nov. : dorsal surface. 



28. Zellania obesa, spec, nov, 



29. JDiscina Davidsoni, spec. nov. : upper surface. 



30. Pyrv.la liassica : back view. 



31. Pollicipes rhomboidalis, under side. 



32. Serpula strangidata, Terq. 



33. Grantia antiqua, spec. nov. 

 34. . 



