THE LIOTIAS - FAMILY LIOTIIDAE. Shell small, solid, turban-shaped, body whorl large, with longitudinal and spiral ribs and thickened lip; aperture round; operculum many-whorled, horny, with limy layer.
Genus LIOTIA, Gray Characters of the family. Chiefly tropical species, in Pacific and Indian Oceans. A few West Indian species.
Two small species inhabit shores of Santa Catalina Island, California. L. fenestrata, Cpr., is a much depressed, oblique shell, regularly sculptured by cross ridges and deep fissures.
The lip is thick; the umbilicus wide and deep. Diameter, to inch. L. acuticosta, Cpr., has no cross ridges cutting its whorls; their angles are set with faint nodules. It is inch in diameter, and less flattened than the previous species. There is no umbilicus. Both species are yellowish white.
Habitat.— Cape Hatteras southward.