193 



C. TURBIFORME. F.p. 357. STROMBUST. Mont. 

 Sup. p. 110. t. 30. / 7. S. COSTATUS. var. D.p. 

 679. Brown, whorls seven, well defined by the suture, 

 destitute of a thread-like spiral line at the base of each, 

 longitudinal ribs about eighteen, base smooth ; aperture 

 suborbicular, outer lip thickened at the margin and a 

 little spreading. i...0,08. Iona,rare. 



C. TUBERCULARE. MuREX T. Mont. p. 270 

 and Sup. p. M6.Lin. T. S. p. 150. D. p. 758. 

 TEREBRA T. E.p 346. Whorls nine or ten, slender, 

 taper, tuberculated, chesnut brown, separated by a slight 

 depression, the apex pointed; aperture small, oval, 

 ending in a canal somewhat enclosed by the columella 

 turning inward, i. Drifted sand, Devon and Sand- 

 wich, rare. 



C. RETICULATUM. MUREX R. Mont. p. 272. 

 D.p. 758. Lin. T. 8. p. 150. Dor. Cat. t. 14./. 

 13. STROMBIFORMIS R. Da Cos. p. 117. t. S.f. 13. 

 TEREBRA R. E.p. 346. Pale rufous brown, strong, 

 slender and tapering to a very fine point ; whorls eleven 

 or twelve, reticulated by four spiral ridges and some- 

 what oblique longitudinal strias ; suture small and not 

 deep ; aperture oval, angulated above, contracted below 

 into a slight canal ; outer lip thin, base not reticulated. 

 !...!. Common in Cornwall. 

 i 



