190 



a fine 1 poitit J with regular equidistant, slightly oblique 

 longitudinal furrows which are moderately deep hut not 

 not so broad as the corresponding ridges; aperture sftb- 

 ofbiealarv a little angulated both above and below, the 

 inner )ip somewhat reflected, i.,.0,06. Kent, Corn- 

 vxdlf Devon, fyc. 



T. UNICA. F. p. 303. TURBO U. Mont. p. 299. t. 

 \%*/.2D.p. 860. (Walk. f. 40.) Lin. T. S.p. 

 174. IV ALBIDUS. Adams, t. 14. /. 17. Glossy, 

 pellucid, white, with nine whorls which terminating in 

 a fine point are rounded, separated by a deep suture 

 and wrought with fine longitudinal somewhat undulated 

 ridges or strise,whose interstices are extremely delicately 

 and transversely striated; aperture suborbicular in- 

 clining to oval. 0,20. Sandwich. 



T. SIMILLIMA. F. p. 303. TURBO S. Mont. Sup* 

 p. 136. D. p. S56.Wern. Mem. \.p. 406. t. S. f. 

 15. White, slender, with eight slightly elevated whorls 

 adorned with fourteen distant ridges parallel with the 

 axis of trie shell and narrower than the interstices ', 

 aperture subovate. f. Jura. 



T. NITIDISSIMA. F. p. 304. TURBO N. Mont p. 

 299. 1. 12. f. 1. With nine extremely slender smooth 



