Shell solid, white, longitudinally multicostate, ribs straight, at first, with the interstices, surrounded with deep revolving sulcate spiral lines, but soon becoming worn, and then are smooth and shining. One example is plain, without bands or coloured lines, another possesses two lines on the upper whorls, and on the body-whorl these are supplemented by a broad chestnut-brown band at the periphery, extending round the shell to the lower part of the outer lip. The mouth is ovate, outer lip white, shining, smooth, thickened, sinus small but well expressed, situate just below the suture. Canal abbreviate, columellar margin smooth.
Long. 14, lat. 4 mm. sp. maj.; long. 10, lat. 3,75 mm. sp. min.
Hab.—Tanabe Ku, Japan (Hirase, No. 1399).
A pretty, small, but solid shell, many ribbed, surrounded with sulcate revolving lines, the surface being sometimes plain and unrelieved, or lined and banded with chestnut-brown.