Testa parva, tenuis, lucida, candida, semiglobosa, apice mediano, dextrorsum inclinato, acuto: extus lineis lacteis radiantibus, papillas sagittatas gerentibus insculpta: apertura subcircularis; cavositas pro-funda ; cicatricibus bene impressis et septo filiformi junctis.

SHELL small, thin, pure white, translucent, nearly semiglobose, the apex median, acute, slightly inclined to the right, not approaching the margin of the aperture; surface beautifully sculptured with fine, radiating lines, on which are series of arrowheaded beads, arranged in quincunx, and of a more opaque-white colour, giving the surface, under the microscope, a delicate, squamose appearance. Aperture nearly circular, lip simple; cavity of the beak profound, having a thread-like diaphragm between it and the margin, connecting the muscular impressions, which are distinctly marked. Diameter one-fourth of an inch ; height one-tenth of an inch. Habitat uncertain. This species is well distinguished by its peculiar and beautiful sculpture, the radiating lines seeming to be made up of chains of arrowheads.