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PLATE XII. 



Page 



Fig. 1. Columbella labreana n. sp. Height 5 mm. Brighton, Trinidad. Upper Oligocene. . . 80 



2. Columbella asphaltoda n. sp. Height 16 mm. Brighton. Upper Oligocene 81 



3. Murex cf. domingensis Sowerby. Height of fragment 20 mm. Interior of last whorl. 



Brighton. Oligocene 84 



4. Purpura sp. indet. Height of fragment 18 mm. Interior cast of last whorl. Brighton, 



Trinidad. Oligocene 82 



5. Cassis (Phalium) guppyana n. sp. Young shell. Height of fragment 13 mm. Soldado 



Rock. Lignitic Eocene 84 



6. Cassis (Phalium) guppyana f n. sp. Fragment of outer lip of an adult shell, strongly 



plicate. Height 10 mm. Soldado Rock. Lignitic Eocene 84 



7. Cassis togatus White var. soldadensis new var. Height of fragment 20 mm. Soldado 



Rock. Midway Eocene 86 



8. Calytraphorus velatus Conrad var. compressus Aldrich. Height 25 mm. Dorsal view 



of shell showing sharply angled posterior end of labrum. Soldado Rock. Midway 

 Eocene 88 



9. Calyptraphorus velatus Con. var. compressus Aldr. showing annular callus on spire. 



Soldado Rock. Midway Eocene 88 



10. Calytraphorus velatus Con. var. compressus Aldr. Showing thick callus on front of the 



shell. Soldado Rock. Midway Eocene 88 



11. Rimella fowler iana n. sp. Height of incomplete shell 21 mm. Soldado Rock. Lignitic 



Eocene 89 



12. Rimella knappiana n. sp. Height 23 mm. Soldado Rock. Lignitic Eocene 89 



13. Rimella knappiana n. sp. Specimen showing lobed outer lip. Soldado. Lignitic 



Eocene 89 



14. Veatchia carolince new subgenus n. sp. Height of fragment of upper portion of shell 



28 mm. Showing loopings of posterior canal. Soldado Rock. Midway Eocene . . 90 



15. Veatchia carolince n. sg. n. sp. Same specimen showing spire enrolled by last volution 90 



16. Veatchia carolince n. sg. n. sp. Same specimen profile view of the posterior canal. ... 90 



17. Cerithium tinkeri n. sp. Brighton, Trinidad. Upper Oligocene 92 



18. Cerithium harrisii n. sp. Height 15 mm. Brighton. Upper Oligocene 90 



19. Cerithium isabellce n. sp. Height 16 mm. Brighton, Trinidad. Upper Oligocene. . . 91 



20. Cerithium soldadense n. sp. Height 6 mm. Soldado Rock. Midway Eocene 91 



21. Cerithiopsis veatchiana n. sp. Height of fragment 8 mm. Soldado Rock. Lignitic 



Eocene 92 



22. Turritella humerosa Conrad var. elicitatoides new var. Height 43 mm. Soldado Rock. 



Midway Eocene 93 



23. Turritella mortoni Conrad. Height 17 mm. Soldado Rock. Midway Eocene 95 



24. Turritella mortoni Con. var.? Height of fragment 15 mm. Soldado Rock. Lignitic 



Eocene 96 



25. Turritella nerinexa Harris. Height 21 mm. Soldado Rock. Midway Eocene 94 



26. Turritella soldadensis n. sp. Height 2 mm. Soldado Rock. Midway Eocene 96 



27. Mesalia pumila var. allentonensis Aldrich. Height 34 mm. Soldado Rock. Midway 



Eocene 97 



28. Mesalia pumila var. nettoana White. Greatest diameter 20 mm. Soldado Rock. 



Midway Eocene 97 



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