Shell. A testaceous cylindrical tube, narrowed in the rear, twisted, and adhering by the side to marine substances, aperture round, the margin armed with from one to three teeth. Inhabits the British coast. Nine species.
- Vermilia rostrata.
- V. triquetra.
- V. bicarinata.
- V. eruca.
- V. subcrenata.
- V. plicifera.
- V. scabra.
- V. tæniata.
- V. plicata.
4. Genus Galeolaria. Pl. [V].
Animal. Distinguished from the vermilia by a very peculiar operculum.
Shell. In groups, testaceous, cylindrical, subangular, wavy, adhering by the base, and open at the summit; aperture orbicular, terminated on the side by a spatular tongue; operculum orbicular, squamose, and consisting of from five to nine testaceous parts or valves. Inhabits the Indian seas. Two species.
- Galeolaria cæspitosa.
- G. elongata.
5. Genus Magilus. Pl. [V].
Animal. Unknown.
Shell. Usually found imbedded in a species of Madrepore. Base bent into a spiral form, oval, with four contiguous, convex volutions (the last of which is the largest), and prolonged into a straight waved tube, convex above, carinated beneath. Inhabits the sea at the Isle of France. Two species.
- Magilus antiquus.
- M. muricatus.