348 REFERENCE TO PLATES, VOL. XVIII. 



FIGURE PAGE 



7. Opeas brevispira Pils. Type 173 



8-10. Opeas pyrgula S. & B. Specimens 173 



PLATE 22. POLYNESIAN OPEAS. 



1. Opeas oparanum Pf r. Mam specimen 183 



2. Opeas oparanum Pf r. Oahu specimen 183 



3. Opeas oparanum Pfr. Marquesas specimen 183 



4. Opeas gracile Hutt. Tahiti specimen 131 



5. Opeas pyrgiscus Pfr. Novit. Conch 185 



6. Opeas junceum Gld. U. S. Expl. Exp 131 



7. Pseudopeas tuckeri Pfr. Lizard Isl. specimen 120 



8. Pseudopeas tuckeri Pfr. Conch. Icon 120 



9. Opeas javanicum Rve. Honolulu spec 138 



10. Opeas gracile Hutt. Halhajima spec 128 



11. Opeas gracile Hutt. Samoan spec 131 



12. Opeas oparanum Pfr. Conch. Icon 183 



PLATE 23. MASCARENE AND COMORAN OPEAS. 



12, 13. Opeas apiculum Morel. Specimen 151 



14. Opeas vulgare Morel. J. de Conch 155 



15. Opeas spinula Morel. J. de Conch 155 



16. Opeas johanninum Morel. J. de Conch 153 



17. Opeas clavulinum P. M. Galerie 135 



18. Opeas javanicum Rve. Mauritius spec 138 



19. Opeas j. mayottense. Type 155 



20. Opeas johanninum Morel. Nossi-be spec 153 



21. 22. Opeas clavulinum P. M. Mauritius spec 135 



23. Opeas gracile Hutt. Mauritius spec 129 



24, 25. Opeas gracile Hutt, Takanugu spec 129 



26. Obeliscus swif tianum Pfr. Mauritius spec 157 



PLATE 24. 



27, 28. Pseudopeas tuckeri Pfr. Specimen 120 



29. Opeas g. neocaledonicum Pils. Type 130 



30. Opeas heu'dei Pils. Type .' 171 



31. Opeas souverbianum (= = gracile). Fauna N.-Caled. 129 



12. Opeas artense (= = gracile). Fauna N.-'Caled 130 



13. Opeas pronyense Gass. Fauna N.-'Caled 177 



33&. Opeas blanchardianum Gass. Fauna N.-Caled 178 



34. Opeas bo'cagei Nobre. Annaes, etc 145 



35. Opeas vieirai Nobre. Annaes, etc 146 



36. Opeas opella P. & V. Type 186 



37. Opeas acrnella Morel. Journ. de Conch. 144 



