41 



We have reafon to believe the full grown fiiell of this 

 fpecies is \he Mya declivis of Mr. Pennant, which he 

 defcribes to be frequent about the Hebrides, and that the 

 fifh is eaten by the gentry. The figure given by the fame 

 author for 'Telliyiafragilis t. 47. f, 26. is fo extremely like 

 in fliape to the fmaller fhells of the M. pubcjcens, that 

 we fhould not have had the leafl; doubt of its bein? the 

 the fame, had it not been placed with the Tcllens ; the 

 defcription too, anfwers fo well to our fiiell, that we are 

 almoll inclined to think the hinge might not have been 

 ftriflly attended to ; and certainly it is not the 7'. y?-^^?:- 



/ii of'LlNN.EUS. 



Doclor PuLTENEY likcns the T.fragilis of the Britijh 

 Zoology to the Mya prcctenuis ; but that fliell is never fo 

 much truncated as the figure given in that work ; whereas 

 the M. pubefccns is always of that form. 



In the broad tooth of the larger fpecimens of this 

 fhell, is a fmall procefs or denticle, which is not obfer- 

 vable in voungcr ones. 



10. 

 Mya praetenuis. Pult. Cat. Dorfet. p. 23. Pr(XTenuis. 



Cluiiua praetenuis. Pctiv. Gaz. t. 94. 4. Tab. 1. f. 2. 



M. with an oval, tliiii, brittle, flat fnell, ofawhitifh 



colour, marked with a few fine concentric ftrice: uvibo 



very fmall, pointed, turned to one fide, but placed 



G nearly 



