REFERENCE TO PLATES, VOL. XVIII. 343 



FIGURE PAGE 



8. Curvella ovata Putz. Soc. Mai. Belg 51 



9. Curvella concentrica Rve. Conch. loon 51 



10. Curvella decepta Rve. Conch. Icon 49 



11. Curvella decepta Rve. Original 49 



12, 13. Curvella liberiana Pils. Type 50 



14, 15. Curvella concentrica Rve. Original 51 



PLATE 8. 



16. Curvella disparilis Sm. D. Os'tafr 54 



17. Curvella krets>chmeri Marts. D. Ostaf r 55 



18. Curvella conoidea Marts. D. Ostaf r 56 



19. Curvella associata Marts. Ann. Mag. N. H 57 



20. Curvella suturalis Marts. D. Ostafr 54 



21. 'Curvella disparilis Sm. Ann. Mag. N. H 54 



22. Curvella <caloglypta M. & P. Ann. Mag. N. H 59 



23. Curvella catarract^ M. & P. Ann. Mag. N. H 59 



24. Oipeas crawf ordi M. & P. Ann. Mag. N. H 149 



25. 26. Curvella sinulabris Hants. Monatsbericht 53 



27, 28. Curvella >croslyi Burnup. P. Malac. Soc 59 



29, 30. Curvella elevata Burnup. P. Malac. Soc 60 



31. Curvella globosa M. & P. Ann. Mag. N. H 61 



32. Curvella sinuosa M. & P. Ann. Mag. N. H 61 



33. 34. Curvella delicata Tayl. Q. Journ. of Conch 58 



35. 'Curvella delicata Tayl. D. Ostafr 58 



36, 37. Curvella straminea Burnup. P. Malac. Soc 62 



38, 39. Curvella suc'cinea Burnup. P. Malac. Soc 62 



PLATE 9. 



41. Curvella subviridescens Sm. Ann. Mag. N. H 53 



42, 43. Curvella -terrulenta Morel. Journ. de Conch. ... 52 



44. Curvella boettgeri Gredl. Archiv. Naturg 67 



45. Curvella plicifera Bs. Conch. Ind ,. . . . 63 



46. Curvella puta Bs. Conch. Ind 63 



47. Curvella whytei Sm. P. Z. S 57 



48. Curvella pusilla Blf. Conch. Indicia 64 



49. Curvella scrobiculata Blf. Condh. Indica 64 



50. Curvella nyasana Sm. P. Z. S 56 



51. 52. Curvella mumpurensis Gr.-A. P. Z. S 65 



53-55. Curvella khasiana G.-A. P. Z. S 65 



56, 57. Curvella jousseaumei Morg. Bull. Soc. Zool. Fr. 67 



58. Curvella khasiana G.-A. Conch. Ind 65 



59. Curvella sikkimensis Rve. Conch. Icon 66 



60. Curvella sikkimensis Rve. Conch. Indica 66 



61-63. Curvella perf orata Mlldff . Bericht Senck 70 



64, 65. Curvella umbilicata Mlldff. Bericht Senck 71 



