Cancellaria affinis (synonym): Shell ovate fusiform: brown, sometimes with one or two spiral bands of white: with, on each whorl, about thirty narrow prominent transverse ridges more or less inequidistant; with numerous raised spiral lines, of which five are seen on the spire, and which on the last whorl are less prominent and wide than the transverse ridges: apex subacute: spire with the outlines nearly rectilinear: whorls six, convex, with the suture subcanaliculate; last whorl rather large: aperture semiobovate, with long sharp ridges within on the right side: labrum sharp, thickened a little behind the edge, scalloped by both the internal and the external sculpture: columella stout, with three plaits, of which the upper one is lamelliform and very prominent, and the lower one is small and very oblique: canal short: with a small umbilical chink bounded by the raised labrum and a spiral bridge.