203 
Buccinum C. Da Cos. p. 128. ¢. 8. f. 4.—Subfusi - 
form-turreted, variable in color, being chocolate or 
partly mixed with white, yellowish white with fine spiral 
brown streaks or pale dead uniform white; whorls six, 
tapering, with nine elevated longitudinal ribs, otherwise 
smooth, often glossy ; aperture narrow, canal scarcely 
contracted and nearly straight; outer lip usually thick- 
ened with an external rib, its edge acute; inner lip 
but slightly replicated. 0,30...3. 8. Wales, Devon, 
Cornwall, 
F. Atrenvatvs, F. p. 350.—Movrex A. Mont. p. 
266. 2.9. f. 6—Lnn. T. 8. p. 1438.—D. p. 742.— 
Most slenderly fusiform, uniform yellowish white, the 
suture very fine ; whorls scarcely raised, eight, tapering 
to a fine point, destitute of striz, with nine equidistant 
strong longitudinal ribs which are arched or undulated 
as they rise in the middle of each volution; aperture 
narrow, contracting a little at the canal, which is mode- 
rately long and nearly straight; outer lip thickened at 
the back by a rib; inner lip plain. =...0,014. Devon- 
shire, very rare. 
F. Nexsuta. F. p.350.—Mvrex N. Mont. p. 267. 
£.15. f. 6.—Lin. T. 8. p. 143.—Dor. Cat. p. 46. t. 
14. f. 16.—D. p. 743.—PiLevrotoma N. Blaine. 
