99 



99 



PLATE XIII. 



Pace 



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 



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 



5. Calyptma aperta Sol. Diameter 13 mm. Soldado Rock. Lignitic Eocene ..... ^! ! 99 



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



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



8. Nahca 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 t guariqueenensis n. sp. Near Guariqueen, Venezuela. Cretaceous 102 



11. Amauropsis smithiana n. sp. Height IS 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 lillianm n. sp. Height 3 mm. Soldado Rock! "Lignitic Eocene .. M» 



15. Dentahum microstna 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 IN 



18. 1 erebratula stantoni n. sp. Same shell, lateral view 104 



iLo W T tube? Length 17 mm - Soldado Rock ' Li S nitic Kocene 



20-22. Serpula chjmenioides Guppy. Greatest width IS mm. Farallon Rock, Gulf of 



Paria. Vicksburgian? Oligocene 10 ° 



23. Ranina porifera Woodward. Dorsal view of carapn<e. ' Height 28 mm. Farallon 



Rock. Gulf of Paria. Vicksburgian? Oligocene l06 



