PLATE V. 



Fig. Macrochilina ttjebinea, n. sp. (Page 39.) 



1. Specimen, obscured by matrix, x f. Kingdon's, Shirwell. Barnstaple Athenaeum. 



2. A crushed aud rather doubtful specimen, x 3. Vicarage "Well, Pilton. Barnstaple Athenaeum. 



Maceochilina pusilla, u. sp. (Page 40.) 



3. Specimen, wanting the surface, slightly obscured by matrix, x 10. Pilton. Porter Collection, 



LoxoNEMA TEOCHLEATUM, Munster, sj). (Page 41.) 



4. Specimen, retaining the surface on lowest whorl, x 3. 4«, lowest whorl, X 10. Kingdon's, 



Shirwell. Barnstaple Atlienaeum. 



5. Another similar specimen, x 3. 5 «, lowest whorl but one, x 10. Kingdon's, Shirwell. 



Barnstaple Athenaeum. 



LoxoNEMA ANGLicuM, d'Orhigny. (Page 43.) 



6. Mould of a specimen, showing the ornament. Braunton. Museum of Practical Geology. 



HoLOPELLA TENUIS ULCATA, Saiidberger. (Page 51.) 



7. Cast of a specimen, much embedded by matrix, x f. Kingdon's, Shirwell. Barnstaple 



Athenaeum. 



LoxoNEMA Hallii, u. sp. (Page 41.) 



8. Specimen, drawn from a defective mould and cast, x 3. Vicarage Well, Pilton. Barnstaple 



Athenaeum. 



Pletjeotomaiiia, sp. (Page 59.) 



9. Cast of a defective specimen, which retains some signs of ornament, though hidden in the drawing, 



X 10. Pilton. Porter Collection. 



AcLisiNA LONGissiMA, n. sp. (Page 52.) 



10. Mould of a portion of a small shell, retaining eiglit whorls, showing the ornament and the 



narrowness of the whorls, X 10. Pilton. Porter Collection. 



Naticopsis Hallii, n. sp. (Page 44.) 



11. Cast of an elongate specimen, showing the inner lip and the columella, x f. Marwood Beds. 



Museum of Practical Geology. 



12. Cast of a shorter specimen, X f. Marwood Beds. Museum of Practical Geology. 



13. Cast of a very small and short specimen, probably the young form of this species, x 6. Baggy 



Point. Hamling Collection. 



Natica ? MEEiDiOKALis, Phillips. (Page 45.) 



14. Cast of a small aud doubtful specimen, x 10. Ironpost. My Collection. 



Capulus EOSTEATtrs, Trenkner ? (Page 46.) 



15. Apical view of a small and very doubtful specimen (now mislaid). 



16. Basal view of a small specimen, X 3. Pilton. Porter Collection. 



Capultjs teeminalis, Whidborne. (Page 46.) 



17. Lateral view of the cast of a large specimen, slightly distorted at the apex. 17 a, lower view 



Pilton. Porter Collection. 



Capulus compeessus, Qoldfuss, sp. (Page 47.) 



18. Tipper view of the cast of a compressed specimen, X f. 18 a, lateral view. Top Orchard Quarry. 



Barnstaple Athenaeum. 



Oethonychia kotunda, n. sp. (Page 48.) 



19. Upper view of a specimen, slightly enlarged. 19 a, apical view, showing the shape of the oral 



margin. Pilton. Porter Collection. 



Oethonychia acuta, F. A. B'omer, sp. (Page 48.) 



20. Upper view of a compressed specimen, X f . Sowden, near Barnstaple. Barnstaple Athenaeum. 



21. Another specimen, which is attached to the tegmen of Actinocrinus Porteri, n. sp., X f . Pilton. 



Porter Collection. 



MuECHisoNiA siMiLis, Trenkner. (Page 61.) 



22. Specimen possessing transverse striae reflexed in the sinus-band, which are not, however, shown in 



the drawing, which is reversed from the mould, X 5. Vicarage Well, Pilton. Barnstaple 

 Athenaeum. 



23. Mould and cast (?) of a fragmentary specimen, X 3. 23 a, mould enkrged, showing the four 



spiral threads. Vicarage Well, Pilton. Barnstaple Athenaeum. 



