EXPLANATION OF PLATES. 333 



PLATE 32. 



30, 31. Neopetrseus altoperuvianus Rve. Conch. Icon., . 173 

 32, 33. Neopetneus arboriferus Pils. Specimen?, . . .175 

 34, 35. Neopetneus arboriferus v. latistrigatus Pils. Spec- 

 imens, 17G 



36, 37. Neopetra3us arboriferus v. rectistrigatus Pils. Spec- 

 imens, 17G 



38. Neopetrseus patasensis Pfr. P. Z. S., . . . .176 



39. Neopetrseus decussatus Rve. Conch. Icon., . . .178 



40. 41. NeopetraBus decussatus v. brownii Pils. Specimens, . 179 



42. Neopetrseus binneyanus Pfr. Specimens, . . . .164 



43. Neopetrseus binneyanus Pils. P. Z. S., . . . .164 



44. Drymaaus bartletti H. Ad. P. Z. S., . 224 



45. Drymseus scitus H. Ad. P. Z. S., . 224 



PLATE 33. 



34, 35. Bulimulus gabbi C. & F. Pilsbry, del., . . .147 



36. Bulimulus xantusi W. G. B. Pilsbry, del., . . .148 



37, 38. Neopetneus altoperuvianus v. gracilior. Specimen, . 173 



39. Neopetrseus decussatus v. browni Pils. Specimen, . .179 



40, 41. Oxychona bifasciata Burr. Pilsbry, del., . . . 181 



42. Oxychona pileiformis Moric. Pilsbry, del., . . .181 



43, 44. Drymreus fallax Pfr. Conch. Cab., . . . .239 



45. Drymseus bourcieri Pfr. Specimen. .... 241 



46. Drymseus bourcieri Pfr. Conch. Cab., .... 241 



47. Drymteus rabuti Jouss. Le Nat., ..... 239 



48. Neopetrseus tessellatus v. perincrassatus Pils. Type spec- 



imen, . . . . . . . . .169 



49. Neopetrseus binneyanus Pfr. Apex. Pilsbry, del., . .164 



PLATE 34. 



1,2. Drymseus expansus Pfr. Conch. Illustr., . . . 222 

 3, 4. Drymseus aurisratti (=expansus Pfr.). Novit. Conch., 



[222, 223 



5. Drymseus iodostylus (-expansus Pfr.). Rev. cV: Mag., . 222 



6. Drymseus expansus var. vanattai Pils. Specimen, . . 223 



7. 8. Drymseus peelii Rve. Novit. Conch., .... 205 

 9. Drymseus pulcherrimus H. Ad. P. Z. S., . . . . 260 



10. Drymseus feriatus Reeve. Conch. Icon., .... 203 



11. Drymseus muliebris Reeve. Conch Icon., . . . 216 

 12,13. Drymseus interpictus Mart. Novit. Conch., . . 198 



14. Porphyrobaphe ? crichtoni Brod. Conch. Icon., . . 226 



15, 16. Drymseus merabielinus Hid. Viaje al Pacif., . . 209 



