48 



- chologifl. It is found on the fandy fiiores of Caermar- 

 thenJJiire, near Laugharne, togetlier with the Siliqua of 

 a large fize. We have taken it full an inch long, and 

 eight inches broad, but is extremely rare. 



3. --O^ 



Ensis. Solen Enfis. Lin. Syft. p. 1 1 14.— G/hc/. ^_y^. p. 3224. 3. 



Br. Zed. t. 45. f. 22. 

 PuJt. Cat. Dorfet. p. 28. 

 Da. Cojia. p. 237. 

 C/iem. Conch, vi. t. 4. f. 30. 

 Fav.in. t. 55. A. 3. 

 Lijier Conch, t. 411. f. 257. 

 Don. Br. Shclh. ii. t. bO.— Turl. Lin. iv.p. 180. 



. • S. with a fub-cylindric arcuated fliell, ftriated and co- 



loured like the Siliqua: hinge at one end; a fingle tooth 

 and a lateral lamina in one valve ; which lock into two 

 teeth and double laminae in the oppofite valve. 



This fpecies is not uncommon upon manv of our 

 (liores; is readily diftinguiflied from the ^z/z^/z^a which is 

 invariably ftrait; whereas this is always more or lefs arcu- 

 ated, but moft fo in younger (hells. It rarely exceeds three- 

 quarters of an inch in length, and five inches in breadth. 



Vagina. Solen Vagina. Gmel. Syft. p. 3223. 1. 



Br. Zool. t. 46. f. 21. 

 Chem. Conch, vi. t. 4. f. 26. to 2S. 

 Favan. t. 55. B. 1. 

 Turt. Lin. iv. p. 180. 

 Solen marginatus. Pult. Cat. Dorjlt. p. 28. 



S. with 



