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.