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Show 252 MR. G. B. SOWERBY ON N E W SHELLS. [^PR- %#> RAPA BULBIFORMIS. R. subglobosa, albido-subviridi, infra spiraliter imbricato-lirata spira producta; anfractibus 6, rotundis ; apertura pyriformi, an-gustiuscula ; labio infra crenulato. Hab. Tongataboo, Friendly Islands. This shell was found by Mr. Brazier in a large hole in a coral-reef, on a piece of sponge, in five-feet water. It has a much more produced spire than the known species, with rounded whorls. Fusus RUBRO-LINEATUS. F. testa breviuscula, pallide rubescente, castaneo bifasciata, distanter spiraliter rubro lineata, tenuiter striata ; spira breviuscula; anfractibus septem, costis longitudinalibus subdistantibus rotundis spiraliter liratis ornatis, superne fascia castanea lata cinctis; apertura subovata, in eana tem subelongatum terminante. Hab. Agulhas Bank, S. Africa. Mus. Taylor. TEREBRA TENUISCULPTA. T. testa angustissima, elongata, fusca, saturatiore flammulata, vel albida castaneo pallide flammulata; anfractibus compressis, supra prope suturam liris spiralibus incequalibus prominentibus granoso-moniliformibus cinctis, infra cancel!atis,ultimo infra angulum tenuiter sculptis. Hab. China Seas. Mus. Leckenby. EBURNA PERFORATA. (Plate XXI. fig. 2.) E. testa rotundato-pyramidata, maculis magnis fulvidis undatis, medio anfractuum truncatis, infra medium in series duas dispositis, subrotundis, brevibus picta; spira breviuscula, apice purpureo ,- anfractibus breviusculis, rotundis ; canali suturali lato, profunde, excavato; umbilico latissimo, usque ad apicem spiraliter excavato, medio spiraliter calloso; apertura parva ; labio columellari leviter arcuato. The deep, wide canal and short rounded whorls, an arrangement of spots differing from all the other species', and a spiral groove at the lower part of the whorl, resembling only that in E. formosee, Sowb., render this a very remarkable shell. It has a very wide and perforating umbilicus, in which it is only nearly approached by E. spirata, Linn., and a spiral umbilical callus resembling that in E. canaliculata. TURRITELLA EXCAVATA. (Plate XXI. fig. 3.) T. testa attenuata, acuminata, tenuiuscula, subleevigata, albida, medio anfractuum castaneo, spiraliter fasciata; anfractibus subelongatis, medio excavatis, supra prope suturam angustatis, tumidis, infra latis, inflatis, rotundatis; apertura subpyriformi, labio profundis-sime et late supra medium emarginata. Hab. Agulhas Bank. |