PLATE XXVIII. 
Pleueotomaeia seminuda, n. sp. (Page 289.) 
Fig. 
1. Specimen with surface much worn. Wolborough. Torquay Museum. 
Pleueotomaeia CHrDLEiGHEsrsis, n. sp. (Page 292.) 
2. Specimen showing aperture, though injured on the outer lip. Chudleigh. Woodwardian Museum. 
3. Another specimen showing the finer markings. 3 a, diagram o£ the surface, x 5. Chudleigh. 
Vicary Collection. 
Pletjeotomaeia cancellata, Phillips. (Page 291.) 
4. Specimen with rather worn surface. Wolborough. Museum of Practical Greology. 
Pletjeotomaeia subimbeicata, n. sp. (Page 293.) 
5. Specimen with fewer spiral threads than usual. Lummaton. Torquay Museum. 
6. Typical specimen. Lummaton. Woodwardian Museum. 
7. Large specimen with very fine markings, described by M'Coy as PI. imhricata. Wolborough. 
Woodwardian Museum. 
8. Large specimen slightly distorted. Wolborough. Museum of Practical Geology. 
Pleueotomaeia Shaleei, n. sp. (Page 296.) 
9. Worn and slightly distorted specimen, showing signs of coarse transverse ornamentation. 
9 «, lateral view. Lummaton (?). Torquay Museum. 
Pleueotomaeia delphinuloides, SMotheim, sp. (Page 297.) 
10. 10 a. Very large and elevated specimen. Chudleigh. Vicary Collection. 
11. A still larger but more depressed specimen. Chudleigh. My Collection. 
12. A small and very depressed specimen with a very broad sinus-band. 12 a, apical view. 
Lummaton (?). Torquay Museum. 
13. A large specimen with few whorls, of unusual shape, but in many respects very similar to 
Schlotheim's original figure. Wolborough. Vicary Collection. 
Pleueotomaeia Ceokeei, n. sp (Page 302.) 
14. Small specimen with narrow convex sinus-band. Wolborough. British Museum. 
Pleueotomaeia yicteis, Whidhorne. (Page 301.) 
15. Specimen much obscured by matrix. Lummaton. My Collection. 
16. Another specimen showing ornament. Lummaton. My Collection. 
Pleueotomaeia dissimulateix, n. sp. (Page 300.) 
17. Defective specimen showing transverse folds. Wolborough. Museum of Practical G-eology. 
Pleueotomaeia geacilis, Phillips. (Page 303.) 
18. Small specimen. Lummaton. Torquay Museum. 
