128. Lin. T. S.p. 89. t. 2. f. 8. Dor. Cat. t. 13. 



/. l.Turt. C. D. p. 636. Turt. B. p. 156. t. 8. 



/. 8. VENERUPIS V. F. p. 452. Rhombic oval, in- 



quilateral, generally obliquely angular on the anterior 



side, yellowish white or pale reddish brown, usually 



variegated marked or rayed with rosy or rich purple, with 



transverse flat strise which are broader anteriorly; lunule 



lanceolate; inside white with generally a rosy tinge; 



two of the teeth cloven. Ik... 2. S. Coasts. 



V. NITENS. Turt. C. D. p. 247. Turt. B. p. 157. 

 1. 10. f. 8. E.p. 449. Rhombic oval, tumid in the 

 middle, anteriorly angulated, transparent, homy, with 

 some few scattered longitudinal markings, crowded 

 transverse strise and indistinct longitudinal ones ; only 

 the central tooth cloven, f. Dublin Bay. 



V. DECUSSATA. Lin. 1135. D. p. 205. Lam 46. 

 List. t. 423./. 271. Ch.f. 455,6. Pen. 4. p. 210 

 t. 60. mid. Jiff. Don. t. 67. Lin. T. 6. p. 168. t. 

 17. f. 11,2. and vol.8, t. 2.f. 6. Mont. p. 124. 

 Dor. Cat. p. 36. t. 6./. 4. Turt. C. D.p. 244. Da 

 Cos. t. U.f. 4. Turt. B.p. 158. t. 8. /. 10. Ovate, 

 anteriorly subangulated and broader, not polished, 

 whitish grey or pale rust color, with often purplish 

 brown or rufous spots, rays, or ziczacs ; with decussating 



