I 



PLATE XIII. 



Page 



Fig. 1. Solarium stephanephorum n. sp. Diameter 17 mm. Soldado Rock. Lignitic Eocene 98 



2. Solarium stephanephorum n. sp. Same specimen. Lateral view 98 



3. Ampullaria luteostoma Swainson. Height 35 mm. Shaded portion shell from the 



Barranca, Guanoco, Venezuela; dotted line living shell from adjacent water. Quater- 

 nary and Recent 99 



4. Ampullaria (Ceratodes) cornuarietis Linn. Greatest diameter 33 mm. Shaded portion 



shell from the Barranca, Guanoco, Venezuela; dotted line living shell from adjacent 



water. Quaternary and Recent 99 



5. Calyptrcea aperta Sol. Diameter 13 mm. Soldado Rock. Lignitic Eocene 99 



6. Calyptrcea centralis Conrad. Diameter 5 mm. Brighton, Trinidad. Oligocene 100 



7. Natica eminulopsis n. sp. Height 12 mm. Soldado Rock. Midway Eocene 101 



8. Natica cf. semilunata Lea var. Height 8 mm. Soldado Rock. Lignitic Eocene 101 



9. Amauropsis caloramans n. sp. Height 30 mm. Soldado Rock. Midway Eocene ... . 101 



10. Amauropsis ? guariqueenensis n. sp. Near Guariqueen, Venezuela. Cretaceous 102 



11. Amauropsis smithiana n. sp. Height 18 mm. Soldado Rock. Lignitic Eocene 102 



12. Amauropsis smithiana n. sp. Height 20 mm. Soldado Rock. Lignitic Eocene 102 



13. Amauropsis smithiana n. sp. Small shell. Height 15 mm. Soldado Rock. Lignitic 



Eocene 102 



14. Liotia lilliance n. sp. Height 3 mm. Soldado Rock. Lignitic Eocene 103 



15. Dentalium microstria Heilprin. Height 17 mm. Soldado Rock. Lignitic Eocene. . . 103 



16. Ammonites cf. mosquerce Karsten. Length 29 mm. Near Hurupu, Venezuela. Prob- 



ably Turonian 104 



17. Terebratula stantoni n. sp. Height 18 mm. Soldado Rock. Lignitic Eocene 104 



18. Terebratula stantoni n. sp. Same shell, lateral view 104 



19. Worm tube? Length 17 mm. Soldado Rock. Lignitic Eocene 



20-22. Serpula clymenioides Guppy. Greatest width 18 mm. Farallon Rock, Gulf of 



Paria. Vicksburgian? Oligocene 105 



23. Eanina porifera Woodward. Dorsal view of carapace. Height 28 mm. Farallon 



Rock. Gulf of Paria. Vicksburgian? Oligocene 106 



fe& 



