PLATE XLIX. 



PIG. PAGE. 



1. 'Scala (^Spiniscala) aldebiana (Saceo). Braniertoii. (Crowfoot Collection) . . 530 



2. ScaJa (Gyroscala) pseudo-Turtoiii (S. V.Wood). Sudbouru Church-walks. (Yorl< Museum) 553 



3. Scala {Sxjiniscala) craytrevelUana, Sacco. Bramerton. (Cambridge Museum) . . 530 



4. Scala (^Turriscala) anglomm (Sacco). Waldriugfield. (York Museum) . . 550 



5. Scala (Sjfiniscala) oaMeyensis, sp. uov. Little Oakley. (Harmer Collection) . . 531 



6. Acirsa Eschrichii, Holboll. Eiviere du Loup. (Harmer Collection) . . . 558 



7. Ditto. Belfast Estuarine Clays. (Belfast Museum) .... 558 



8. Pyramidella hvviuscula , S. V. Wood. Boyton. (Harmer Collection) . . . 558 



9. Admete Sheppardi (A. Bell). Bridlington. (Headley Collection) . . . 524 

 10. Admete contahidata, Eriele. Bridlington. (Headley Collection) . . . 524 

 11 Tvrboriilhi 2)aiiri.'ifriafa (Je'Ereja). Walton-on-Naze. (Harmer Collection) . . 561 



12. Ttirhonilla Kendalli, sp. nov. St. Erth. (British Museum) .... 561 



13. Turbonilla post-acuticostata, Succo. Coralline Crag, Sutton. (York Museum) . . 562 



14. Ttirbonilla Jill silla {Plnh-p-pi). Selsey. (Harmer Collection) . . . 563 



15. Ditto, var. (jrossa, Marshall. Selsey. (York Museum) .... 564 



16. Turbonilla recta (Etheridge and Bell). St. Erth. (British Museum) . . .664 



17. TurbonUki lactea (Linnc). St. Erth. (British Museum) . . . .559 



18. Ditto. St. Erth. (British Museum) . . . . . .559 



19. Turbonilla expallida, sp. nov. St. Erth. (British Museum) . . . 564 



20. Turbonilla obliqua, Degrange-Touziu. St. Erth. (British Museum) . 565 



21. Turbonilla dubiosa, sp. uov. St. Erth. (British Museum) .... 565 



22. Turbonilla jiarvula, s^). nov. St. Erth. (British Museum) .... 566 



23. Ditto. St. Erth. (British Museum) . . ,566 



24. Turbonilla (Pyrgostelis) densicosfata (Philippi). St. Erth. (British Museum) . . 566 



25. Ditto. St. Erth. (British Museum) . . . . . .566 



26. Turbonilla (Pi/njostelis) varicula (S. V. Wood). Walton-on-Naze. (York Museum) . 568 



27. Ditto, var. expatisa, nov. Coralline Crag, Sutton. (York Museum) . . . 568 



28. Turbonilla (Pyi-gostelis) Jilosa (Q. Y. Wood). Coralline Crag, Sutton. (York Musenm) . 568 



29. Turbonilla (Pyrgostelis) rufescens (Foi'bes). Selsey. (York Museum) . . 570 



30. Turbonilla (Pyrgostelis) formosa (Je&rejs). Selsey. (York Museum) . . 569 



31. Turbonilla (Pyrgostelis) similis, S. V. Wood, var. ecostata, nov. Coralline Crag, Sutton. 



(York Museum) . . . . . . . .570 



32. Ditto, var. typica, uov. Coralline Crag, Sutton. (Harmer Collection) . . 570 



33. Titrbonilla (Pyrgolidium) internodula, S. V, Wood. Butley. (Cambridge Museum) . 572 

 84. Ditto. Bramerton. (Norwich Museum) ..... 572 



35. Ditto, var. ligata, J. Keeve. Bramerton. (Eeeve Collection, Norwich Museum) . 573 



36. Ditto, var. acuminata, nov. Little Oakley. (Harmer Collection) . . . 574 



37. Ditto, var. conica, nov. Waltou-on-Naze. (Harmer Collection) . ... 574 



38. Ditto, ditto. Walton-on-Naze. (York Museum) . . . .574 



39. Turbonilla (Pyrgolidium) rosea (Monterosato). Coralline Crag, Boytou. (Harmer 



Collection) . . . . . . . .574 



40. Turbonilla (Pyrgolidium) columnaris (Bonelli). Coralline Crag, Boyton. (York Museum) 576 



41. Turbonilla (Pyrgostelis) iynota, sp. uov. Coralline Crag, Gredgrave. (York Museum) . 572 



42. Turbonilla (Pyrgostelis) tenuissima, Etheridge and Bell. St. Erth. (British Museum) . 571 



43. Pyrgulina scalar is (Philippi). Selsey. (Jermyn St. Museum) . . . 577 



44. Pyrgulina sjjiralis (Montiigu). Selsey. (Jermyn St. Museum) . . . 578 



45. Ditto. St. Erth. (British Museum) . . . . . .578 



46. Ditto. Selsey. (York Museum) . . . . .578 



47. Ditto, var. elongata, Philippi. Selsey. (York Museum) .... 578 



48. Pyrgulina iuterstincta (Montagu). St. Erth. (British Museum) . . . 576 



49. Ditto, var. terebellum (Philippi). St. Erth. (British Museum) . . .577 



50. Miralda excavata (Philippi). Portrush. (Harmer Collection) . . . 580 



