32 



X 3. 



Truncata. Mya Truncata. Lin. Syft. p. 1112. 



GmeL Syfi. p. 3217. 1. 



Br. Zool. t. 41. i". 14 — Turt. Lin. iv. 



p. 174. 

 Pult. Cat. Borfd. p. 21 .—Don. Br. Shelh, 



iii. t. 92. 

 Lifter. Conch, t. 428. f. 269.— LL Jngl. 



t. 5. f. 36. 

 C/iein. Conch, vi. t. 1. f. 1. 2. 



Chama Truncata. Da Cofta. p. 233. t. 16. f. 1. 



M. with a fub-oval {hell, truncated at the fmaller end, 

 where it gapes confiderably more than the Arenaria : it 

 is wrought with concentric wrinkles, covered with a yel- 

 low tough epidermis, extending hall an inch or more be- 

 yond the open end, like a thick membrane, through 

 which the animal extends itfelf: the valves are very con- 

 cave and reflefl at the fmaller end ; the tooth like the 

 preceding fpecies, very broad and ereft. Infide white. 



This fpecies is found lodged under gravel near low- 

 water mark, on fome of our coafts; but dead (hells are 

 more frequently found with the epidermis worn off; in 

 that flate they are nearly white, or tinged with yellow. 

 In this country it feems to be extender from South to 

 North, as it is faid to be found in the Orknies : we are 

 alfo informed that in Greenland it is the food of man, and 

 other animals. 



We 



