28 

 DIV. 11. 



BIVALVE SHELLS. 



GEN. V. 



MYA. 



Animal an ASCIDIA. 

 SHELL, moft commonly gaping at one end. 



Hinge, for the moft part furnifhed with a ftrong, thick, 

 and broad tooth not inferted into the oppofite valve. 



1. 



Pholadia. Mya Dubia. Br. Zool. t. 44. f. 19. — Turt. Lin. iv. p. 179. 



Chama Parva Da. Cojla. p. 234. 

 Pholas Faba. Pult. Cat. Dorfct. p. 27. 



M. with a thin, brittle, opaque (hell, ol a light colour 

 and oval fliape, marked with fine concentric ftriie : the 

 beak is fmall, but prominent, placed at one end : the valves, 



when 



