121 



Species. 



49. picta, Reeve. 



50. polygona {Mur.), Gm. 



51. prismatica {Bttc.), M. 



52. pulchella, Reeve. 



53. pyrum {Vol.), Linn. 

 51. rapa, Zam. 



55. recurvirostris, ScJiub. 



56. rhinoceros, Z«?w. 



57. rudis, Reeve. 



58. sanguiflua, ?<?. 



59. scabrosa, zW. 



60. scolymos {Mur.), Gm. 



61. smaragdulus {Buc), L 



62. spadicea, Reeve. 



63. spinosa {Buc.), Mart. 



64. tectum {Buc), Gray. 



65. Tliersites, Reeve. 



66. triserialis, Zawa. 



67. tuberculata, J>Vor/. 



68. turrita {Vol.), Gm. 



69. ustulata, Reeve. 



70. varicosa, «?. 



71. vexillulum, w/. 



72. violacea, /f/. 



Figure. 



Turbinella imperialis. PI. 10. Tig. 48. Shell showing its tubercular 

 structure, and columella distinguished by the transverse arrangement 

 and irregularity of the plaits. — From, Mr. Cuming's collection. 



Genus 13. CYRTULUS, Hinds. 



Animal ; unknown. 



Shell ; stoutly fusiform, solid and ponderous, with the spire acumi- 

 nated and plicately noduled, last whorl smooth and remarkable 

 for its elevated sivollen groioth around the tipper part , contracted 

 tovjards the Joioer, the columella being excavated in a manner to 

 correspond; base emarginated, slightly umbilicafed ; aperture 

 linear, reaching nearly to the base of the spire. 



