PLATE XXVII. 
TuEBO iNAMicTtrs, n. sp. (Page 274.) 
Fig. 
1. Decorticated specimen. "Wolborough. Torquay Museum. 
Flemikgia peeteesa, Whidhorne, sp. (Page 267.) 
2. The largest specimen known. Wolborough. Vicary Collection. 
3. Another specimen. Wolborough. Vicary Collection. 
4. Another specimen. 4 «, basal view. Wolborough. Museum of Practical Geology. 
Elasmonema eotundum, n. sp. (Page 273.) 
5. Imperfect cast. Wolborough. Vicary Collection. 
TuEBO ciEEiEOEMis, Soioerly. (Page 275.) 
6. Imperfect cast. Chudleigh. Vicary Collection. 
Turbo Pengellii, Whidhorne. (Page 274.) 
7. Specimen, defective below. Wolborough. Vicary Collection. 
TuEBo NEGLECTUs, Phillips, sp. (?). (Page 276.) 
8. Large specimen, defective at the base, x 8"5. Lummaton (?). Torquay Museum. 
PiEUEOTOMAEiA SUBCLATHEATA, Sandherger. (Page 278.) 
9. 10. Rather worn specimens. Wolborough. Vicary Collection. 
11. Smaller and more elevated specimen. Wolborough. Museum of Practical G-eology. 
PiETJEOTOMAEiA LoNSDALii, d'ArcMttc and de Verneuil. (Page 280.) 
12. Specimen with ornament much obscured. Wolborough. Museum of Practical Q-eology. 
Pleueotomaeia impendens, Sowerby. (Page 282.) 
13. Specimen with the ornament obliterated on the lower part of the body-whorl. 13 a, portion of 
the surface of the penultimate whorl, X 10. Lummaton. Champernowne Collection. 
Pleueotomaeia Oebigniana, d'Archiac and de Verneuil. (Page 283.) 
14. Finely preserved and perfect specimen. Lummaton. Torquay Museum. 
Pleueotomaeia Neapolitana, n. sp. (Page 286.) 
15. Large and finely preserved specimen. Lummaton (?). Torquay Museum. 
16. Less elevated and rather worn specimen with deeper sutures. Wolborough. Museum of 
Practical Geology. 
Pleukotomaeia teochoides, Whidhorne. (Page 287.) 
17. Specimen, imperfect at the base. Lummaton. Torquay Museum. 
18. Smaller specimen, with wider central band. Chudleigh. Vicary Collection. 
19. Aberrant specimen in which the transverse ornament is much less developed, and the base more 
produced. Chudleigh. Vicary Collection. 
