REFERENCE TO PLATES. 309 



FIGURE. PAGE. 



13, 14. Pleurotomaria rumphii Schep. Thes., . . .71 



15, 16. Scissurella hoernesi Semp. J. de C., ... 51 



17, 18. Scissurella koeneni Semp. J. de C., . . . . 51 



19, 20. Scissurella philippiana (fossil). Thes., J. de C., 



PLATE 58. 



21-23. Fissurella punetatissima Pils. Specimen, . . 150 



24-26. Fissurella philippiana Eve. Abbild., . . .146 



27. Fissurella longifissa Sowb. Conch. Illustr., . . . 163 



28. Fissurella monilifera Sowb. Thes., . . . .162 



PLATE 59. 



29. Fissurella melvillei Sowb. P. Z. S., . . . .174 



30. 31. Macroschisraa hiatula Swains. Sby. Genera, . . 193 

 32. Macroschisma megatrema Ad. Thes., .... 193 

 33-35. Macroschisma weldii T.-W. Specimens, . . .191 



36, 37. Fissurella afra Q. & G. Voy. Astrol 169 



38, 39. Glyphis tongana Q. & G. Voy. Astrol., . . .217 



40. Fissurella balanoides Rve. Couch. Icon., . . .174 



41. Fissurella tseniata Sowb. Thes., 172 



42-44. Clypidella fascicicularis Lam. J. de C., . . . 177 



45-47. Clypidella pustula Lam. Specimens, . . .176 



48-50. Clypidella fascicularis Lam. Specimens, . . .177 



51. Fissurella olivacea Rve. Conch. 111., . . . .174 



52-54. Macroschisma tasmaniae Sowb. Specimens, . . 191 



55. Macroschisma novsecaledonse Sowb. Thes., . . . 194 



57, 58. Macroschisma sinensis Ad. Specimens, . . . 190 



59. Macroschisma sinensis Ad. P. Z. S., . . . .190 



60. Macroschisma cuspidata Ad. Thes., .... 193 



61. Macroschisma angustata Ad. Thes., . . . .194 



62. Macroschisma producta Ad. Thes., .... 194 



63. Macroschisma dilatata Ad. Thes., . . . .193 



64. Macroschisma compressa Ad. Thes., .... 193 



65. Macroschisma baikiei Ad. Thes., . . . . .194 



PLATE 60. 



66-68. Fissuridea galeata Helbl. Thes. and spec., . .175 



69. Fissurella tenebrosa Sowb. Thes., 160 



70-72. Fissurella berinudensis Pils. Specimens, . . .165 

 73-75. Fissurella barbadensis Gm. Specimens, . . . 164 

 76. 'Fissurella barbadensis v. intensa Pils. Specimen, . . 165 

 77-79. Fissurella schrammi Fisch. Specimens, . . .165 

 80, 81. Fissurella rosea v. sculpta Pils. Specimens, . . 167 



82. Fissurella clypeus Sowb. Conch. 111., .... 156 



83. Fissurella verna Gld. var. U. S. Expl. Exped., . 168, 169 



84. Fissurella polygons Sowb. Thes., ..... 148 



