REFERENCE TO PLATES, VOL. XVIII. 351 



FIGURE PAGE 



PLATE 30. ANTILLEAN OBELISCUS. 



1, 2. Obeliseus swiftianus Pf r. St. Thomas 268 



3. Obeliseus swiftianus Pf r. Bermuda 268 



4. Obeliseus swiftianus Pf r. Havana 268 



5. 6. Obeliseus terebraster Lm. Porto Rico 264 



7, 8. Obeliseus bacillus Pf r. Novit. Conch 262 



9, 10. Obeliseus bacillus Pf r. Specimen 262 



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



13. Obeliseus homalogyra Sh. Conch. Cab 263 



14, 15. Obeliseus homalogyra Sh. Specimens 263 



16, 17. Obeliseus strictus Poey. Memorias 262 



18. Obeliseus clavus flavus Pils. Type 266 



PLATE 31. ANTILLEAN OBELISCUS. 



1, 2. Obeliseus maximus Poey. Memorias 260 



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



5. Obeliseus maximus var. Novit. Conch 261 



6. Obeliseus maximus var. Specimen 261 



7. 8. Obeliseus maximus princeps Pils. Specimen' 261 



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



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



12. 13. Euonyma natalensis Burn. Specimens 339 



14. Obeliseus gundlachi Arangx). Vinales spec 277 



15. Obeliseus binneyi Pils. Type 279 



16. Obeliseus gundlachi. Specimen 277 



PLATE 32. ANTILLEAN OBELISCUS. 



17. Obeliseus hendersoni Pils. Type 267 



18. Obeliseus simpsoni Pils. Type 267 



19-22. Obeliseus elavus Pils. Co-types 266 



23. Obeliseus rangianus Pfr. Conch. Icon 271 



24-27. Obeliseus latus Guncll. Co-types 273 



28-30. Obeliseus hasta Pfr. Porto Rico 272 



31. Obeliseus, sinistral specimen. Porto Rico 265 



PLATE 33. CUBAN OBELISCUS. 



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



34-36. Obeliseus gonostoma. Specimens 276 



37, 38, 43, 44. Obeliseus mierostoma. Specimens 276 



39, 40. Obeliseus angustatus Gundl. Memorias 278 



41, 42. Obeliseus blandianum Pils. Types 278 



45. Obeliseus angustatus Gundl. Specimen 278 



