19 



with the Serpulce by previous writers: it is quite dis- 

 tinct, however, from any other tubular Annelides, and 

 the tube being provided with a convex, orbicular, and 

 sometimes conical operculum, has necessarily occa- 

 sioned a separation from the Serpulae. Tube testa- 

 ceous, cylindrical, more or less twisted, gradually at- 

 tenuated towards the lower end; opening round, the 

 margin with one, two, or three teeth ; shell attached 

 at one side to marine bodies. 



Vermilia rostrata Vermilia subcrenata 



triquetra plicifera 



bicarinata scabra 



eruca tseniata. 



GALEOLARIA. 



In the French Museum. 



&£* 



The Galeolariae nearly approximate the Vermiliae, but 

 the size of the shell, peculiar structure of the aperture, 

 and more especially the extraordinary operculum, have 

 induced La Marck to constitute the present genus — 

 Their tubes are found adhering together at the base, 

 in crowded groups or tufts, open at the summits: aper- 

 ture orbicular, terminating on one side in a spatulous 

 c 2 



