432 PROCEEDINGS OF THE ACADEMY OF [PaRT II 



Fig. 9. — Malea goliath Pils. & Johns. Back of type. 



Figs. 10, 11.— Potamides suprasulcatus (Gabb). Lengths 29.5 and 20.5 mm. 



Fig. 12. — Potamides prismaticus (Gabb). Length 57.5 mm. 



Plate XXX. — Figs. 1, 2, 3. — Cyprcea raymondrobertsi n. sp. Type. Length 27 



mm. 

 Fig. 4, 5. — Cyprcea spurcoides Gabb. Type. Length 32.5 mm. 

 Fig. 6. — Cyprcea raymondrobertsi bowdenensis n. subsp. Type. Length 



25.5. mm. 

 Figs. 7, 8. — Cyprcea dominicensis Gabb. Type. Length 39 mm. 

 Figs. 9, 10. — Cyprma campbelliana Pils. & Johns. Type. Length 30 mm. 

 Figs. 11, 12. — Capiilus inornatus Gabb. Type. Length 14 mm. 

 Fig. 13. — Orthaulax inornatus Gabb. Young specimen 30 mm. long. 

 Fig. 14. — Orthaulax inornatus Gabb. Largest specimen. Length 91.3 mm. 

 Fig. 15. — Orthaulax inornatus Gabb. Type. Length 55 mm. 

 Fig. 16. — Orthaulax i. altilis n. subsp. Young specimen 27 mm. long. 

 Figs. 17, 18. — Orthaulax i. altilis n. subsp. Type. Length 52 mm. 

 Figs. 19, 20. — Hipponix otiosa Pils. & Johns. Type and a small specimen; 



the upper left margin of the peristome broken in the former. Length 9.2 



and 5 mm. 



Plate XXXL — Figs. 1, 2. — Strombus galliformis Pils. & Johns. 

 Figs. 3, 4. — Xenophora imperforata Gabb. Type. 

 Fig. 5. — Melongena consors (Sowb.). Dwarf form. 



Plate XXXIL — Fig. 1. — Strombus dominator Pils. & Johns. Type. 



Figs. 2, 3. — Cerithium microlineatuin Gabb. Type and paratype. Length 



49 and 50 mm. 

 Fig. 4. — Cerithium venustuni Gabb. Tyi^e. Length 29 mm. 

 Figs. 5, 6. — Potamides gasfrodon Pils. & Johns. Type. Length 22.5 mm 

 Figs. 7, 8.— Xenophora dilecta Cruppy. Diam. 51 and 56 mm. 

 Fig. 9. — Strombus dominator Pils. & Johns. Type. 



Plate XXXIII. — Figs. 1, 2. — Cerithium turriculum Gabb. Type. 

 Figs. 3, 4. — Cerithium dominicense Gabb. Type. 

 Figs. 5, 6. — Cerithium obesum Gabb. Type. 

 Fig. 7. — Cerithium simplex Gabb. Type. 

 Fig. 8. — -Cerithium turriculum Gabb. 



Figs. 9-12. — Cerithium obesum. ventricosior n. var. 10-12 are the type. 

 Figs. 13, 17. — Cerithium obesum gurabense Maury. No. 4076. 

 Figs. 14, 15. — Cerithium obesum harrisi n. var. Type. 

 Figs. 16, 20. — Cerithium uniseriale Sowb. No. 2595. 

 Fig. 17. — Cerithium obesum gurabense Maury. 

 Figs. 18, 19. — Cerithium obesum ventricosum (?). No. 4075. 

 Fig. 20. — Cerithium uniseriale Sowb. Enlarged view of No. 2595. 



Plate XXXIV. — Fig. 1. — Rissoina minuta (Gabb). Type. 



Fig. 2. — Bittium costatum Gabb. Type. = Rissoina bryerca (Mont.), var. 



binominis Pils. & Johns. 

 Figs. 3, 4. — Eulima crassilabris Gabb. Type {= Rissoina laevigata C. B. Ad.). 

 Fig. 5. — Rissoa epulata Pils. & Johns. Type. 

 Fig. 6. — Rissoa proavita Pils. & Johns. Type. 

 Fig. 7. — Epitoniuni amosbrowni n. sp. Type. 

 Figs. 8, 9. — Epitoniuni santodomingense n. sp. Type. 

 Figs. 10, 11. — Epitonium minutissimum (Gabb). Type. 

 Figs. 12, 13. — Dolophanes melanoides Gabb. Type. {=Crepitacella). 

 Figs. 14 - 16. — Hemisinus truncatus (Gabb). Fig. 14, 36 mm. long. 

 Fig. 17. — Niso grandis (Gabb). Type. 

 Figs. 18, 19, 20.— Torinia rotundata Gabb. 

 Fig. 21. — Natica finitima Pils. & Johns. Type. 

 Fig. 22. — Epitonium amplum Gabb. Tyi)e. Diam. 13.5 mm. 



