Shell small, biconic, cancellated, yellowish or whitish or with brown flammules; nucleus glassy, white, globose, of one and a half turns; other whorls five or six, hardly rounded; sculpture of about (on the last whorl) sixteen spiral squarish riblets with about equal interspaces, in which near the aperture of the adult a fine intercalary thread appears; the spiral sculpture is crossed by incremental lines and numerous faint rounded transverse ribs which go nearly across the whorl, but which are chiefly evident through the rounded waves they form on the spiral riblets, especially behind the periphery of the whorls; suture hardly distinguishable; aperture narrow, outer lip lirate within, a little patulous; inner lip plain, with two strong plications near its middle, the posterior the largest. Lon. of shell, 7.0 mm; of aperture, 3.5 mm; max. lat. of shell, 3.0 mm.

Shell biconic, cancellated, yellowish or whitish, with brown flammules; nucleus glassy, of one and a half turns, other whorls five or six, slightly rounded; aperture not widened below; columella with two fairly strong plaits; outer lip lirate within. Length, 7mm; diameter, 3 mm.

None of the specimens had completed the thickening of the outer lip and the glazing of the columella which mark the adult state, but several were very near it. The surface of the shell is glossy except for the incremental lines. The colors much resemble in variations those exhibited by Mitra fulgurita Reeve.

Caribbic. Barbados.