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longitudinal furrows. The color is light brown finely dotted 
| with dark brown. 
J Another smail slender shell is Seila terebralis 
Ad. Itis of a more narrow and tapering form 
than Bittium, and has strong spiral ridges on the 
whorl. The aperture is deeply notched at its base. 
Seila terebra- 
lis. 
