TlTRBININyE. 391 



Sub-fam. TURBININ.^. 



Operculum orbicular, horny, with a solid, convex, 

 calcareous coat. 



Shell turbinate, the last whorl rounded and ventricose ; 

 aperture sub-circular ; inner lip smooth, simple. 



Genus TURBO, Linnaeus. 



Operculum without spiral ridges, externally convex, 

 smooth or granular. 



Shell turbinate, light, rather thin, covered with an 

 epidermis, axis imperforate ; spire elevated, whorls no- 

 dose, or with hollow spines ; aperture sub-circular, longer 

 than wide ; inner lip flattened, produced anteriorly ; 

 outer lip thin, simple. 



Syn. Fornax, Klein, not Laporte. Olearia, Klein. 

 Saccus, Klein. Lunaria, Fabr. Lunaris, Link. Cidaris, 

 Chem., not Bolt. 



Ex. T. smaragdus, Martyn, pi. 43, fig. 1. Oper- 

 culum, T. smaragdus, fig. 1, a, 1, h. Shell, T. mar- 

 moratus, Linn(Bus, fig. 1, c. 



The species of Tarho are principally inhabitants of 

 the Islands of the Eastern Archipelago, Australia, and 

 New Zealand. 



Species of Turbo. 



cornutus, Cheni. militaris, Reeve. 



imperialis, Gmel. petholatus, Linn. 



Jourdeni, Kien. smaragdus, Martyn. 



magaificus, Jonas. variabilis, Reeve. 

 marmoratus, Linn. 



