EXPLANATION OF PLATES, VOL.' XIII. 243 



FIGURE PAGE 



PLATE 26. 



19. Placostylus submariei Souv. J. de C., 1870, . . .55 



20, 21. Placostylus submariei Souv. After Kobelt, . . 55 



22. Placostylus mariei C. & S. Shepperd, del., . . .55 



23, 24. Placostylus mariei C. & S. J. de C. 1867, . . 55 



PLATE 27. 



25. Placostylus ouveanus Dotz. J. de C. 1875, . . .48 



26. Placostylus monackensis Crosse. J. de C. 1894, . . 58 



27. Placostylus monackensis Crosse. J. de C. 1875, . . 58 



28. Placostylus scarabus Alb. Shepperd, del., . . .65 



29. 30. Placostylus neckliaianus Kob. After Kobelt, . . 56 



PLATE 28. 



31. Placostylus porphyrostomus Pfr. After Kobelt, . . 57 



3234. Placostylus porphyrostomus Pfr. Shepperd, del., . 57 



35. Placostylus porphyrostomus debeauxi Gass. J. de C. 1881, 58 



36. Placostylus porphyrostomus singularis Morel. Faun. 



N.-Caled., . . . . 58 



PLATE 29. 



37. Placostylus caledonicus Petit. Faun. N.-Cal., . . 60 



38. 40. Placostylus caledonicus Petit. After Kobelt, . . 60 



39. Placostylus caledonicus Petit. Shepperd, del., . . 60 



41. Placostylus duplex Gass. J. de C. 1894, . . .59 



PLATE 30. 



42. Placostylus poyensis goyottensis Crosse. J. de C. 1894, . 62 



43. 44. Placostylus poyensis Kob. After Kobelt, . . . 61 

 45, 46. Placostylus duplex nyapagionis Pils. After Kobelt, . 60 



PLATE 31. 



10. Placostylus pseudocaledonicus Montr. J. de C. 1858, . 62 



11. Placostylus pseudocaledonicus subatratus Cr. (nigra Gass.) 



After Gassies, ........ 63 



12. Placostylus pseudocaledonicus pouenanus Kob. After 



Kobelt, . . 63 



13. Placostylus pseudocaledonicus hybridus Kob. After Kobelt, 63 



14. Placostylus pseudocaledonicus dentatus Gass. After Gassies, 63 



15. Placostylus scarabus tanouensis Crosse. J. de C. 1894, . 66 



16. 17. Placostylus scarabus Alb. Novit. Conch., . . .65 



