V. triquetra. The three-sided Vermilia.
White or reddish, rugged, twisted and triangular, carinated along the back.
4. Galeolaria. Two species.
Distinguished from the Vermilia by a very peculiar operculum. Found in groups, adhering together at the base.
Tube open at the summit; aperture orbicular, terminated on the side by a spatulous tongue; operculum orbicular, squamose, consisting of from five to nine testaceous parts or valves, all attached to one side of the operculum; the middle one dentated at the truncated part of its summit, the others a little toothed on their internal edge.
Galeolaria cæspitosa.
Galeolaria elongata.
G. elongata. The elongated Galeolaria.
Whitish, existing in congregated masses; operculum as above.