EXPLANATION OF PLATES. 221 

 PLATE 36. 



FIGURE. PAGE. 



25-27. Helicostyla metaformis Fer. Specimens, . . .186 



28, 29. Helicostyla metaformis Fer. Couch. Cab., . . 186 



30. Helicostyla languida Pfr. Conch. Icon., . . . 189 



31,32. Helicostyla tenera Pfr. Conch. Cab., . . . 179 



33. Helicostvla unica Rv. Conch. Icon., .... 189 



/ 



34. Helicostyla nux Semper. Reisen., ..... 

 35-37. Helicostyla hydrophana Sow. Specimens, . .187 



PLATE 37. 



38, 39. Calocochlea chlorochroa Sowb. Couch. Cab., . .150 



40. Calocochlea dalmahoyi Pfr. Specimen, .... 143 



41, 42. Calocochlea dalmahoyi Pfr. Xovit. Conch., . .143 

 43,44. Eudoxus jonasi Pfr. Conch. Cab., .... 



45, 46. Helicostyla rehbeini Pfr. Conch. Cab., . . . 190 



47, 48. Helicostyla curta Pfr. Conch. Cab., . . . .192 



49. Helicostyla senckendorffiaua Pfr. Conch. Cab., 



t/ 



50, 51. Helicostyla butleri Pfr. Conch. Cab., . . .188 



PLATE 38. 



70. 73. Cochlodryas florida Sowb. Conch. Cab., . .177 



71. Cochlodryas florida Sowb. Histoire, .... 177 



72. Cochlodryas florida Sowb. Specimen, . . . .177 

 74-78. Cochlodryas polychroa Sowb. Specimen, . . .178 

 79, 80. Helicostyla fulgeus Sowb. Specimen, . . .182 



81. Helicostyla fulgens Sowb. Conch. Cab., . . . 182 



PLATE 39. 



82, 83. Pachysphrera sphserica Sowb. Conch. Cab., . .172 



84. Pachysphsera sphserica Sowb. Specimen, . . . 172 



85, 86. Pachysphrera annullata Sowb. Conch. Cab., . .174 

 87, 88. Pachysphsera annullata Sowb. Conch. Icon., . . 174 

 89, 90. Pachysphsera balteata Sowb. Conch. Cab., . .173 

 91, 92, 93. Eachysphsera balteata Sowb. Specimens, . . 173 

 94, 95. Orustia monticula Sowb. Specimens, . . .176 



96, Orustia monticula Sowb. Conch. Cab., .... 176 



97, 99. Pachysphsera iloconensis Sowb. Conch. Cab., . . 175 



98, 100. Pachysphaera iloconensis Sowb. Specimens, . .175 



PLATE 40. 



1. Orthostylus villari Hid. J. de C., . . . 201 



2. Orthostylus pithogaster Fer. Conch. Icon., . . . 200 

 3-5. Orthostylus pithogaster Fer. Specimens, . . . 200 

 6, 7. Axina bruguieriana Pfr. Conch. Cab., . . .166 

 8, 9. Axina phloides Pfr. Conch. Cab., . . . .163 



