Shell oval or elongated, smooth; the spire pointed, its whorls as if rounded; aperture ovate, elongated, effuse, and widely notched anteriorly; the right margin entire; the columella callous posteriorly, umbilicated, sub-canaliculated at its external or right side.
Eburna glabrata.
E. Ceylanica.
E. spirata.
E. areolata.
E. lutosa.
E. Ceylanica. The Ceylon Eburna. Pl. [29], fig. 3.
Species smooth, white, with irregular large purplish spots; apex acute, tipped with blue; sutures with an elevated line; umbilicus filled with spines.
11. Terebra. The Needle Shell. Twenty-four species.
This genus of shells is remarkable for their sharp, lengthened, and spiral form, which obtained for them the common name of Needles.