REFERENCE TO PLATES. 



501 



FIGURE. 



21, 22. Subemargiimla cratitia Ad. Thes., 



23. Subemarginula nodulosa Ad. Thes., 



24. Subemarginula cumingii Sowb. Thes., 

 25-27. Emarginula fissura L. Thes., . 

 28, 29. Emarginula fissurata Ch. Thes., 

 30-32. Emarginula crassicostata Sowb. Thes., 



33. Subemarginula stellata Ad. Thes.,« 



34, 35. Subemarginula polygonalis Sowb. Thes., 



36. Subemarginula puraila Ad.— rollandi. Thes., 



37. Subemarginula guadaloupensis Sow.=emarginata 



Thes., 



Bl. 



PAGE. 



. 282 

 . 281 

 . 281 

 . 252 

 . 264 

 . 259 

 . 283 

 . 281 

 . 275 



276 



Plate 30. 



1. Fissurella cumingii Rve. 



2. Fissurella sagittata Rve. 



Conch. Icon.,. 

 (=mutabilis). 



Conch 



3. Fissurella bridgesii Rve. Conch. Icon., 



4. Fissurella edititia=barbadensis var. Conch. Icon. 



5. Fissurella catillus Rve. Conch. Icon., . 



6. Glyphis aspera Sowb. (not Esch.?) Conch. Icon., 



7. Fissurella darwinii Rve. Conch. Icon., . 



8. 9. Fissurella maxima Sow. Conch. Icon., 

 10. Fissurella costata Lesson. Conch. Icon., 



. 154 

 Icon., 

 [171, 172 



. 151 



. 165 

 . 172 

 . 214 

 . 144 

 . 145 

 . 148 



Plate 31. 



11-13. Fissurella virescens v. nigropunctata. Specimen, . 159 

 14. Fissurella macrotrema Sow. Conch. Icon., . . . 159 

 15-17. Fissurella virescens Sowb., typical. Specimen, . 158 



18, 19. Fissurella lata Sowb. Conch. Icon, and specimen, . 147 



20. Fissurella clypeus Sowb. Conch. Icon., . . . 156 



21, 22. Fissurella rugosa Sowb. Conch. Icon, and specimen, 161 



23. Fissurella asperella Sowb. Conch. Icon., . . .162 



24. Lucapmella requalis Sowb. Conch. Icon., . . .197 



25. Fissurella obscura Sowb. Conch. Icon., .... 163 



Plate 32. 



26, 39. Fissurella limbata Sowb. Conch. Icon., . . 149 



27-31. Glyphis crucifera Pils. Siidaf. Moll., . . .225 



32. Glyphis stellata Rve. Conch. Icon., . . . .148 

 32, 33. Fissurella concinna Phil. Conch. Icon, and Abbild., 146 



34. Fissurella exquisita Rve. Conch. Icon., .... 148 



35. Glyphis panamensis Sowb. Conch. Icon., . . .216 

 36-38. Fissurella latemarginata. Specimens, . . . 153 

 39, see 26. 



