38 



We have placed this fpecies in the genus Af^^rabecaufe 

 the fhell to which it is fo nearly allied has already been 

 placed there. Both thefe flielis are however lo extremely 

 fimilar in fliape, and appear fo nearly connedled by the teeth 

 to Venus tripla of Linnaeus, as may be feen by confulting 

 Chemnitz, vol. vi. tab. 31 , fig- 330, that perhaps they might 

 with as much propriety be removed to that genus. 



DONAX. 



Rubra, Shell cuneiform, fmooth, and of a reddifli colour, trun- 

 cated at one end : umbo obtufe. Infide of the fame colour, 

 and the margin plain : hinge with two teeth in each valve, 

 placed angular, and approximating at the beak. Very mi- 

 nute, not a line in breadtli. 



Taken amongft coralline, in deep water : very rare. 



VENUS. 



Laminosa. Venus canccllata, G7nel. Syst. p. 3270? Turt. Lin. iv. p. 220. 



Chem. Conch. \u t. 29, f. 304 —307 ? 

 Don. Br. Shells, iv. f. 115} 



Nothing has puzzled us more than the difcordant opinions 

 concerning leveral of the Vetien'es, amongft which Venus 

 cancellata appears to be in great obfcurity. Gmelin has 



referred 



