CONCHYLW—DITBYRA. 4J. 1S9 



better : the first of these authors observing, graiissimi saporis 

 sunt, et a nostris ad victum colliffuntur, ab autumno ad ultimum 

 usque ver ; and the latter, " The season for them is from autumn 

 to spring." 



Cardium testa orbiculari depressd subpellucidd, costis 26 fasciatuui. 



iransversim sqtiamosis. 

 Shell orbicular tlattish and semitransparent, with 26 ribs, which 



are rough with transverse scales. 

 Cardium fasciatum. Montagu, Suppl. p. 30, tab. 27, fig. 6. 



Pennant, Brit. Zool. iv. p. 191. 



Wood, Conch, p. 215. 



Dillwyn, Descript. Catal. p. 130. 



Turton, Conch. Diet. p. 32. 

 Mus. nost. On the Western, Welch, and Irish coasts. 



Shell hardly half an inch in diameter, yellowish or pale rufous, 

 glossy, with a few dark transverse bands, often disposed in spots 

 on the ribs, and more deeply tinged on the anterior side and 

 within : the ribs are crossed with regular transverse scales, which 

 are more strongly marked at the shorter side and about the 

 margin. 



*#4;' costis muticis. 

 the ribs unarmed. 



Cardidm testa tumidd suhorbiculari, latere antico sublruncato, meiiium. 

 costis numerosis transiwrsim striatis. 



Shell tumid and somewhat orbicular, rather truncate at the an- 

 terior side, with numerous transversely striate ribs. 



