« Shell umbilicate, conical, ashy, fawn or pinkish, with brownish, angular, narrow areas, or whitish or brownish spots; whorls 6, a little convex, separated by a linear suture, and finely furrowed; the furrows are 15 to 20 on the penultimate whorl; last whorl dilated, angular, a little convex below, furrowed concentrically; these furrows are about 15 and are shallow; aperture subquadrangular; labrum simple; columella white, oblique, slightly arched; wide umbilical region, white, carinated on the periphery. » – op. cit. p.260.