145 



CONOVULUS B. Gray. Turt. p. 227. /. 145. ACTEON 

 B. F. p. 337. Variety A. EROSA. Lin. T. W.p. 368. 

 Ovate, ventricose, smooth, shining white ; spire short ; 

 suture indistinct ; mouth oblong, throat smooth, peris- 

 tome simple, reflected in front and slightly thickened ; 

 two of the plaits on the pillar larger than the rest. J. 

 Devon, under stones left by the tide. 



A.ALBA. Gray. An. Ph. 16. p. 370. Faroes. Mai. 

 Mon. p. 12. VOLTJTA A. Mont. p. 245. Turt. D. p. 

 250. D. p. 508. CONOVULUS A. Gray. Turt. p. 

 227. VOLVARIA A. F. p. 333. Fusiform, pointed, 

 thin, white, pellucid, slightly striated transversely; 

 whorls six ; mouth slender, oblong ; pillar two-plaited. 

 0,10. The sea coast near the mouth of rivers under 

 stones left by the tide. 



A. FUSIFORMIS. ACTEON. F. P.p. 337. VOLUTA 

 F. Turt. D. p. 251. Glossy white, transparent, quite 

 smooth, swollen in the middle and tapering to both 

 ends ; whorls four, very flat, and only defined by a 

 fine lucid circular line ; body whorl very large, occu- 

 pying more than three fourths of the shell, base 

 rounded and a little reflected ; aperture oblong-oval 

 reaching to the top of the primary volution ; outer lip 

 very thin and plain ; pillar lip smooth, not spreading 



