﻿142 



S. contortu plicata, 8. filograna, S. quail rangularis, S. aronavia, 



' plicaria, ' vermicella, ' minima, ' filograna, 



' glomerata, ' filaria, ' echinata, ' rosea, 



' dccussata, ' pellucida, ' sulcata, ' fuscata. 

 ' protensa, 



Vermilia. Tube testaceous, cylindrical, gradually lessening to the pos- 

 terior end, more or less twisted, and fixed at the base to marine substances. 

 Aperture round, the margin armed with from one to three teeth. 



V. rostrata, 

 ' triquetra, 



V. bicarinata, 



' cruca, 



V. subcrenata, 

 ' plicifera, 



V. scabra, 



' taniiuta. 



Galeolaria. Tubes testaceous, very numerous, cylindrical, rather an- 

 gular, raised, wavy, crowded and matted together, fixed at the base, the 

 upper end open. Aperture orbicular; the margin terminating in a projecting 

 point. Operculum orbicular, galeiform, the upper part armed with from five 

 to nine testaceous valves, which are fixed to its margin; the middle one linear, 

 truncate, and larger than the others. 



G. crcspitosa, G. elongata. 



Magilus. The base of the shell turned into a short, oval, snail-like spire; 

 the last four whorls contiguous, convex; the last larger than the others, and 

 lengthening into an erect, wavy and elongated tube. Tube convex above, 

 carinated beneath, plaited and rather depressed at the sides; the plaits lamel- 

 lated, crowded, undulated, vertical, thicker on one side of the tube than on 

 the other. 



M. antiquus, 



M. vulgaris, 



M. anatinus. 



