REFERENCE TO PLATES, VOL. XVIII. 351 



PLATE 30. ANTILLEAN OBELISCUS. 



1, 2. Obeliscus swif tianus Pf r. St. Thomas 268 



3. Obeliscus swif tianus Pfr. Bermuda 268 



4. Obeliscus swif tianus Pfr. Havana 268 



5. 6. Obeliscus terebraster Lm. Porto Rico 264 



7, 8. Obeliscus bacillus Pfr. Novit. Conch 262 



9, 10. Obeliscus bacillus Pfr. Specimen 262 



11. 12. Obeliscus terebraster Lm. Conch. Mittheil 264 



13. Obeliscus homalogyra Sh. Conch. Cab 263 



14, 15. Obeliscus homalogyra Sh. Specimens 263 



16, 17. Obeliscus strictus Poey. Memorias 262 



18. Obeliscus clavus flavus Pils. Type 266 



PLATE 31. ANTILLEAN OBELISCUS. 



1, 2. Obeliscus maximus Poey. Memorias 260 



3, 4. Obeliscus maximus Poey. Novit. Conch 260 



5. Obeliscus maximus var. Novit. Conch 261 



6. Obeliscus maximus var. Specimen 261 



7. 8. Obeliscus maximus princeps Pils. Specimen 261 



9. Obeliscus m. princeps Pils. Novit. Conch 261 



10, 11. Obeliscus m. princeps Pils. Specimens 261 



12. 13. Euonyma natalensis Burn. Specimens 339 



14. Obeliscus gundlachi Arango. Vinales spec 277 



15. Obeliscus binneyi Pils. Type 279 



16. O'beliscus gundlachi. Specimen 277 



PLATE 32. ANTILLEAN OBELISCUS. 



17. Obeliscus hendersoni Pils. Type 267 



18. Obeliscus simpsoni Pils. Type 267 



19-22. Obeliscus clavus Pils. Co-types 266 



23. Obeliscus rangianus Pfr. Conch. Icon 271 



24-27. Obeliscus latus Gundl. Co-types 273 



28-30. Obeliscus hasta Pfr. Porto Rico 272 



31. Obeliscus, sinistral specimen. Porto Rico 265 



PLATE 33. CUBAN OBELISCUS. 



32, 33. Obeliscus paradoxus Ar. Co-type 275 



34-36. Obeliscus gonostoma. Specimens 276 



37, 38, 43, 44. Obeliscus microstoma. Specimens 276 



39, 40. Obeliscus angustatus Gundl. Memorias 278 



41, 42. Obeliscus blandianum Pils. Types 278 



45. Obeliscus angustatus Gundl. Specimen 278 



