288 PEOCEEDINGS OF THE GEOLOGICAL SOCIETY. [Feb. 21, 



11. CoNUS iNTEESTiiNrcTirs, spec. nov. PI. XYI. fig. 3. 



Shell obeonic, transversely ornamented with many small ridges 

 bearing moniliform granules, which are most distinct anteriorly, 

 but become simple striations near the anterior canal; whorls 10, 

 superiorly carinate; spire rather elevated, acuminate. 



12. CoNiis GEACiLissoirs, spec. nov. PI. XVI. fig. 4. 



Shell elongate, subfusiform, slender, ornamented with flattened 

 spiral ribs which are crossed by longitudinal striae most distinct in 

 the interstices of the ribs ; spire elevated, acuminate ; whorls angular 

 above, the angle ornamented with a single row of small obtuse 

 tubercles; aperture very narrow, elongate; outer lip prominent; 

 posterior sinus distinct. 



13. Ktjrex Domingensis, Sow. 



Quart. Journ. Geol. Soc. vol. vi. p. 49, pi. 10. fig. 5. 



14. Persona simillima. Sow., sp. PL XYII. fig. 13. 



Triton shnillimus, Sow. Quart. Journ. Geol. Soc. vol. vi. p. 48. 



15. Eanella ceassa, DiUw. PI. XYIII. fig. 9. 



Dillwyn, Descr. Cat. 692 ; Peeve, C. I. Eanella, No. 18. 



16. Oliva eeticulaeis. Lam. 



Lamarck, Animaux sans Yert. (ed. Desh.) vol. x. p. 613 ; Eeeve, 

 C. I. OHva, No. 16. 



This species still lives in the Gulf of California, and also in the 

 West Indies, where it is rather rare. 



17. MiTEA HEISTEKElSri, SoW. 



M. HeniJceri, Sow. Quart. Journ. Geol. Soc. vol. vi. p. 46, pi. 9. f.5. 

 A small example of this species occurs in the Jamaica collection. 



18. Pasciolaeia semistetata, Sow. PI. XYI. fig. 12 



Quart. Journ. Geol. Soc. vol. vi. p. 49. 



19. Latietjs infundibulum, Gmel. 



Lamarck, An. s. Yert. (ed. Desh.) vol. ix. p. 386 ; Peeve, C. I. 

 Turbinella, No. 3. 



20. Maeginella cokifoemis. Sow. PI. XYII. fig. 2. 



Quart. Journ. Geol. Soc. vol. vi. p. 45. 



21. COLUMBELLA AMBIGUA, SpCC. UOV. PL XYI. fig. 8. 



Shell elongate, acuminate, thick, longitudinally ribbed with stout 

 somewhat undulated costae ; whorls about 10, flattened laterally, 

 gradually increasing ; aperture narrow, outer lip thickened, blunt, 

 toothed within, scarcely indented by an obsolete posterior sinus; 

 canal short, recurved ; columellar callus with prominent edges. 



22. CoLUMBELLA GEADATA, SpCC. UOV. PL XYI. fig. 10. 



Shell thick, elongate, whorls about 9, flattened and ornamented 



