MITRA lugubris.
White-banded Mitre.
Generic Character.—See [Pl. 23.]
Specific Character.
M. testâ inversè pyriformi, fuscâ; sulcis transversis intus punctatis; anfractibus supernè obsoletè plicatis, fasciâque albâ ornatis; labio exteriore tenui, margine crenatâ; columellâ 4-plicatâ; basi albâ, truncatâ.
Shell inversely pear-shaped, brown, with transverse sulcated grooves, punctured within; volutions above obsoletely plaited and banded with white; outer-lip thin, margin crenated; pillar four-plaited; base white, truncated.