EXPLANATION OF PLATES. 333 



PLATE 32. 



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



32, 33. Neopetrseus arboriferus Pils. Specimens, . . .175 

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

 imens, ......... 176 



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

 imens, ......... 176 



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



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



40. 41. Neopetrseus 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. Dryma?us 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. Neopetrseus 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. Drymaeus fallax Pfr. Conch. Cab., . . . .239 



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



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



47. Drymseus 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. & 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 membielinus Hid. Viaje al Pacif., . . 209 



