OCR Text |
Show 254 MR. G. B. SOWERBY ON NEW SHELLS. [Apr. 28, apertura alba, castaneo picta, postice acuminata, antice lata, truncata ; labio supra medium subacute emarginato. Hab. Agulhas Bank, S. Africa. Mus. Taylor. CLAVATULA GRACILIOR. C. testa elongata, pyramidata, crassa, sub epidermide fulva, prope suturam albo fasciata; spira pyramidata, attenuata; anfractibus 12, leviter angulatis, ad suturam tumidiusculis, posticis 6, ad angulum oblique tuberculatis, anticis oblique undulatis; apertura brevi, antice et postice alba, medio fulva, termino obtuso, sinu labii postico profundo, subquadrato. Hab. ? Mus. Taylor. The spire in this species is more elongated than in the preceding, and it has no tumid part anterior to the obtuse and not very prominent angle. Also it has no convexity in the spire. From Cl. taxus it differs in the m u c h greater elongation of the spire, and also in not having the tumid varix at the top of each whorl which characterizes that species. DEFRANCIA SECTA. D. testa albida, fusifor mi, acute cancellata ; aperturu ovata, canali subelongato ; labio ad suturam sinu angusto elongato secto. Hub. China. Mus. Taylor. MANGELIA CLAVATA. M . testa elongate fusiformi, pallida, supra et infra fulvo fasciata; spira elongata, acuminata; anfractibus angulatis longitudinaliter costatis, spiraliter striatis ; apertura clavata; labio externo post marginem valide unicostato, canali caudali elongato. Hab. China Seas. Mus. Taylor. In general appearance resembling Mangelia gracilis of our seas, but more elegantly fusiform, with longer and more tapering canal. METULA TRIFASCIATA. M . testa angusta, mitriformi, minute cancellata, pallidissime fulva, fusco pallido trifasciata; apertura spiram longitudine eequante; labio minute crenulato. Hab. Bay of Bengal. Mus. Leckenby. MARGINELLA OBTUSA. M . testa ovato-oblonga, grisea, longitudinaliter inconspicue strigata ; spira planulata, marginata; anfractu ultimo prope terminum anticum marginato; apertura angusta; columella sexplicata, plicis crassis, albis, tribus posticis elevatis, horizontalibus, tribus anticis |