414 EXPLANATION OF PLATES. 



PIGURB. PAGB. 



Plate 69. 



19. Littormalittorea, Linn. New England, England, . 240 



20. Littorina (Melaraphe) angulifera, Linn. Cuba, . . 241 



21. Littorina (Neritoides) obtnsata, Linn. England, . 241 



22. Littorina (Cyclonema) cancellata. Hall, Palaeozoic, 



U. S., .241 



23. Littorina (Raulinia) alligata, Desh. Eocene, Paris 



basin, 241 



24. Tectarius pyramidalis, Quoy. New Zealand, . . 242 



25. Tectarius (Echinella) Cumingii, Phil. Philippines, . 242 



26. Microdoma conica, Meek and Worthen. Carboniferous, 



Ills., 243 



2*7. Modulus tectum, Gmel. Viti Islands, .... 242 



28. Eiseila melanostoma, Gmel. Australia, . . . 242 



29. IJisella (Plesiotrochus) Souverbianus, Fischer. New 



Caledonia, ......... 243 



30. Risella (Limnotrochus) Thomson!, E. A. Smith. Lake 



Tanganyika, ........ 243 



31. Lacuna pallidula. Da Costa. England, . . . 248 



32. Lacuna (Epheria) vincta, Turton. Europe, . . . 243 



33. Lacuna (Hela) tenella, Jeffreys. England, . . . 244 



34. Lacuna (Lacunaria) Alabamensis, Whitfield. Eocene, 



Alabama, 244 



35. Lacuna (Spironema) tenuilineata, Meek and Hayden. 



Cret., U. S., .244 



36. Lacuna (Lacunella) depressa, Desh, Eocene, basin of 



Paris, . 244 



3*7, 38. Cremnoconchus Syhadrensis, Blanf. India, . . 244 



39. Fossarus costatus, Brocchi. Mediterranean, . . 245 



40. Fossarus ambiguus, Linn. Mediterranean, . . . 245 



41. Fossarus (Isapis) anomala, C. B. Ad. Jamaica, . . 245 



42. Fossarus (Fossarina) patula, Ad. and Ang. Australia, 245 



43. Fossarus (Tuba) alternata, Lea. Eocene, Alabama, . 245 



44. Planaxis sulcatus, Lam. Central Pacific, . . . 246 



45. Planaxis (Hinea) Brasiliana, Lara. Brazil, . . . 246 



46. Planaxis (Quoyia) decollata, Quoy. Viti Islands, . 246 



47. Planaxis (Holcostoma) piligerum, Phil., . . . 246 



48. Litiopa bombj^x, Rang. Tropical Atlantic, . . . 246 



49. Cerithium fusiforme, Sowb. Philippines, . . . 247 



50. Cerithium (Vertagus) lineatus, Lam. Polynesia, . . 247 



51. Cerithium (Cerithioderma) prima, Conr. Eocene, Ala., 247 



52. Cerithium (Colina) macrostoma, Hinds. Borneo, . 248 



53. Cerithium (Cerithiella) metula, Loven. Norway, . . 248 



54. Cerithium (Bittium) reticulatum, Da Costa. England, 248 



55. Cerithium (Cerithiopsis) rugulosum. Ads. Jamaica, . 248 



56. Fibula undulosa, Piette. Bathonien, France, , . 248 



