68 



title of Tritoynum, once assigned to them by Muller. These latter, however, 

 I propose to retain in the present genus, together with all those species of 

 which the upper part of the aperture is distinguished by the presence of a 

 callosity or denticles, such as the B. undosum and others, added to which I 

 include the VurpurcR sertum, FrancoUna, and lagenaria of Lamarck, as well 

 as the Fusus articulatus of the same author. * 



1. aciculatum, Lam. 29. 



2. acuminatum, Menke. 30. 



3. affiiiis, Less. 31. 



4. alveolatum, Kietier. 32. 



5. ambiguum, Mont. 33. 



6. Anglicanum, Lam. 34. 



7. angulosum, Gnray. 35. 



8. articulatum (Fiis.), L. 36. 



9. aurantium, Lam. 37. 



10. Australe, Chemn. 38. 



11. boreale, Brod. 39. 



12. Boysii, Nuttall. 40. 



13. breve, Adams. 41. 



14. catenatum, Fowls. 42. 



15. cinctum, Quoy. 43. 



16. clavula, Menke. 44. 



17. Coromandehamim, L. 45. 



18. costatum, Qiwy. 46. 



19. Cuvierii, Fai/r. 47. 



20. Delalandi, Kiener. 48. 



21. distortum, &raij. 49. 



22. D'Orbignii, Fayr. 50. 



23. elegans, Beeve. 51. 



24. Francolinum (P«r/^.)Z. 52. 



25. fasciculare, Menke. 53. 



26. Floridamun, Less. 54. 



27. fuscatum. Lam. 55. 



28. Genetta, Less. 



Species 



Gervilii, Kiener. 56. 



glaciale, Lam. 57. 



gradatiim, BesJi. 58. 



graniferum, Kiener. 59. 

 Gualterianum, Kiener. 60. 



liepaticum, Morit. 61. 



lihtum, Kiener. 62. 

 Humphi-eysianum, Bt. 63. 

 Jacksonianum, Kiener. 64. 

 lageuarium {Furp.),L. 65. 



lineatum, So^c. 66. 



lineolatum, Lam. 67. 



lutestoma, Kiener. 68. 



macula, Mont. 69. 



maculatum, Martyn. 70. 



maculosum, Lam. 71. 



melanostoma. Lam. 72. 



melo, Zt's*. 73. 



metula, Hinds. 74. 



modestum, Fowls. 75. 



moniliferum, Valen. 76. 



obsoletum, /Say. 77. 



omatum, -S'fly. 78. 



ovum, Tnrton. 79. 



papyraceum. Lam. 80. 



pediculare, iaw. 81. 



phalaena, Lesson. 82. 



pUcatulum, Nuttall. 

 polaris, Gray. 

 porcatum, Gmel. 

 Poulsoni, Nuttall. 

 pidicaris, Lesson. 

 rufulum, Kiener 

 scaraUnum, Sow. 

 Scliroeteri, Beck. 

 Sechellarum, Bufo. 

 sertum {Furp.), L. 

 sepimentum. Bang. 

 serratum, Biifresne. 

 succintmu. Fowls. 

 temie, Gray. 

 tenuipbeatum, Lam. 

 testudineum, Chemn. 

 tigrinum, Kiener. 

 Tranquebaricum, Lam. 

 Triton, Less. 

 tubpa, Less. 

 undatum, Lam. 

 undosum, Quoy. 

 varicosum, Chemn. 

 vinosum. Lam. 

 Adverratum, Kiener. 

 vittatum, Linn. 

 zebra, Lam. 



BUCCINUM MELANOSTOMA. PL 



Figure. 



4. Fig. 22. 



Sho\A'ing the front portion of 



the shell with its black-enamelled columella. 



* These and several new allied species, arranged in part by Mr. Gray, in the British Museum, 

 under the head of Tollia, wll appear sliortly in a ]\Ionograph of Biiccinum in the ' Conch ologia 

 Iconica' ; the list of species given herewith is necessarily incomplete. 



