OCR Text |
Show 1870.] MR. G. B. SOWERBY ON N E W SHELLS. 253 This shell is figured in Reeve's Monograph as a variety of T. exoleta, from which species, however, it is quite distinct. TURRITELLA PUNCTICULATA. T. testa robusta, pallide fulva, liris spiralibus numerosis validis, rotundatis, minute punctato-maculatis, et interstitiis sulcatis sculpta; anfractibus rotundatis, numerosis, flammulis fuscatis ornatis, ultimo subangulato, infra angulum planiusculo. Hab. Agulhas Bank, S. Africa. Mus. Taylor. PLEUROTOMA LATIFASCIATA. P. testa attenuata, albida, fasciis latissimis fumeo-castaneis duabus cincta ; spira elongata; anfractibus numerosis, brevibus, spiraliter striatis, medio albifasciatis, supra ad suturam granoso-uniliratis, turn excavatis, medio angulatis, costellis longitudinalibus numerosis ornatis, ultimo infra granoso-lirato; apertura brevi, angusti-uscula, sinu haud profundo. Hab. Hongkong. Mus. Taylor. PLEUROTOMA LATERCULATA. P. fusiformi, solida, laevigata, longitudinaliter costata, maculis rubris tessellata ; spira pyramidata ; anfractibus medio angulatis, ad angulum carinis duabus, ad costas tuberculatis ; apertura subpyriformi, labio extus incrassato, prope suturam emarginato. Hab. China Seas. Mus. Taylor. PLEUROTOMA ALBICARINATA. P. testa angusta, scabriuscula, fusca, supra medium acute carinata, ad carinam alba ; anfractibus supra et infra carinam acute unili-ratis, ultimo medio subcarinato, infra carinam liris acutis et interstitiis longitudinaliter crenulatis sculpto ; columella rectiuscula labio ad carinam album acute emarginato. Hab. Manzanilla. Mus. Taylor. This shell differs from P. oxytropis in being laterally much more compressed, in being much shorter above the keel, which is sharp and white, and in being altogether more closely sculptured. CLAVATULA TUMIDA. C. testa crassa, subfusiformi,pallide rubescente, epidermide tenui induta; spira mucronata, convexiuscula, aperturam longitudine superante; anfractibus declivibus, medio concavis uniliratis, supra prope suturam tuberculatis, infra oblique tuberculato-costatis; ultimo obtuse angulato, infra angulum tumidiusculo, leevigato ; PROC. ZOOL. Soc-1870, No. XVIII. |