104 



of a light yellowiQi colour, farciated with purple, with two 

 or three faint white rays from the beak : fome are wholly 

 yellow, with darker fafcia^ ; umbo fmall, placed nearefl 

 to the leffer end: teeth fmall, lateral one not very re- 

 mote. Infide partakes of the colour of the exterior ; 

 thofe banded with purple are of that colour within, the 

 others quite yellow like the oulfide; margin crenated; 

 valves not very concave. 



This is not an uncommon fpecies on many of our fandy 

 fliores : plentiful between Laugharne and Tenby in Wales, 

 and on DaxoliJJi Warren in Devonjhire ; more rare weft- 

 ward, and in Cornwall. In Dorfetjhire not common. 

 Length moft generally five-eighths of an inch ; breadth one 

 inch and a quarter; fometimes, though rarely, an incli 

 and a half. 



2. 

 Denticulata. Donax denticulata. Li?i. Syft. p. 1127. — Gmel. Syji. p. 3263. 6. 



Br. Zool. t.55. f.46 — Trirt. Lin. iv.p.215.- 

 Puh. Cat. Dorfet. p. 32. 

 Lijler Conch, t. 376 f. 218. 219. 

 Giialt. t. 89. Y).—Favan. t. 49. E.3. 

 Chenu Conch, vi. t. 26. f. 256. 

 Cunens truncatus. Da Ccfia. p. 205. 

 Uonax crenulata. Don. Br. Shelh. i. t. 24. 



D. with a very ftrong, thick, fub-cuneiform fliell, ftria- 

 ted longitudinally; theinterftices punflated, ortranfverfe- 

 ly ftriatcd ; v.'iih ufualiy a few broad purple rays from 



the 



