173 



t. 12./. 9. (Walk t, 2./. 46J VOLUTA S.Lin. T. 

 S.p. 130. D.p. 508. Pellucid, conic, glossy, white ; 

 whorls four or five, nearly flat, the body marked with 

 spiral ridges half way from the base, the rest finely 

 ribbed longitudinally ; suture with a very fine spiral 

 ridge, apex rather obtuse ; aperture suborbicular, pillar 

 lip turning inwards and forming an apparent small 

 denticle or plait which runs spirally some way up the 

 columella. 0,08.. .0,040. Salcomb Bay, Devon. 



O. INTERSTINCTA. F. p. 310. TURBO I. Adams, 

 in Lin. T. 3. p. 66. t. 13. f. 23,4. Mont. 324. t. 12. 

 /. 10. VOLUTA I. Lin. T.S.p. 131. D.p. 509. 



Glossy, white, tapering, with five rather flat, but finely 

 ribbed volutions, the suture fine, the apex obtuse ; aper- 

 ture suboval ; pillar lip a little reflected, with a single 

 small tooth. 0,08.. .0,022. Very rare, Devon. 



O.INSCULPTA. F. p. 310. TURBO I. Mont, 

 p. 129. VOLUTA I. D.p. 509. Subpellucid, white, 

 tapering, the apex obtusely pointed ; whorls six, 

 rounded and regularly striated spirally ; aperture sub 

 ovate ; pillar lip a little reflected, with a small cavity 

 behind. $. Devon, rare. 



O. SANDVICENSIS. P.p. 310. "The three spired 



