Columbella Melvilli, sp. nov.
(Fig. 38).

Shell small, smooth, ovate. Colour white, irregularly longitudinally striped by narrow, brown, broken lines, which are interrupted at the periphery. Whorls seven, slightly rounded, glossy, traversed by a few, scarcely perceptible spiral grooves. Aperture narrow, outer lip straight, simple, not grooved within. Columbella arcuate above, denticulate below. Length 4½, breadth 1¾ mm.

Rare, alive under stones in the Funafuti lagoon. Named in honour of the senior author of a catalogue of the shells of Lifu, so often quoted in these pages.