CONCHOLOGY. 29 



3. Genus Vermilia. PI. V. 



Animal. Body tubicular, elongated and attenuated towards the 

 posterior part, and provided superiorly with a simple testaceous 

 orbicular operculum. 



Shell. A testaceous cylindrical tube, narrowed in the rear, 

 twisted, and adhering by the side to marine substances. Inhabits 

 the British coast. Nine species. 



Vermilia rostrata. "Vermilia subcrenata. 



V. triquetra. V. plicifera. 



V. bicarinata. V. scabra. 



V. eruca. V. taeniata. 



V. phcata. 



4. Genus Galeolana. PI. 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 csespitosa. Galeolaria elongata. 



5. Genus Magilus. PI. 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. Magilus muricatus. 



