90 



68. Triangular heart-shaped, with numerous sloping- 

 glossy transverse ridges, which seem crenulated from 

 being crossed by crowded fine rufous lines, whitish or 

 pale brown, with more or less distinct darker rays, the 

 beaks much recurved and the slope nearly smooth ; lu- 

 nule sunken, elongated, heart-shaped, and finely striated 

 longitudinally. J...1J. Most sandy coasts. 



V.PALLIDA. Turt.B. p. 150. t. 10./. 5. -jf^p. 448. 



Triangular-heart-shaped, produced anteriorly, thin, 

 semitransparent, uniform white or yellowish white, 

 with rather irregular and somewhat indistinct transverse 

 rib-like striae, crossed by fine longitudinal lines ; beaks 

 prominent, pointed, a little curved; slopes quite smooth ; 

 margin thin, with the crenulations visible externally. 

 1...2. Dawlish. 



V. OVATA. Pen. 4.p. 206. t. 59. /. 3. Mont. p. 120. 

 Lin. T. 8. p. 85. t. 2. /. 4. Lam. SI. Dor. Cat. p. 

 35. t. I./. 15. D.p. \l\.Turt. C. D. p. 239. 

 Turt. B.p. 150. t. 9. /. 3. CYTHEREA O. F.p. 445. 

 Oval-triangular, subequilateral, moderately convex, 

 brownish white, with longitudinal grooves, rendered 

 scaly by the transverse striae ; beaks acute and ratner 

 nearer the subangulated and flattened anterior slope . 

 impressions obsolete. i,,,|. W. and Irish Coasts. 



