CYPRICARDIA 



The Cypricardiae are marine^ they resemhle the Caf- 

 ditaB very much in general form and in the elongated 

 anterior tooth, but differ from them in having three teeth 

 placed under the umbones. Bruguiere had united them 

 together, and we confess that we should approve of that 

 union, did we not see reason to believe that the CyprU 

 mrdice affix themselves by means of a byssus, wherefore 

 we should think they might very well form one Genus 

 with such of Lamarck's Cm^ditce, as are also attached by a 

 byssus ; if, indeed, there be any such, (we think Cardita 

 phrenetica. Lam., Chama seniiorbiculata. Linn, is one) ; and 

 that we should not place much dependance upon such a 

 character, as a difference in the number of hinge teeth. 



Our figure is drawn from a specimen of Cypricardia 

 pblonga, Chama oblonga. Linn, in the British Museum. 



