C. Helleri, Bruguière. 

 C. impolila, Sowerby. 

 C. incarnata, Ueeve. 

 C. Indica, Lamarck. 

 C. isocardia, Linné. 

 C. laciinosa, Reeve. 

 C. Lamarckii, Reeve. 

 C. leiicostoma, Born. 

 C. lima, Spengler. 

 C. maculala, Sowerby 

 C. maculosa, Wood. 



221 — 



C. subelongala, Sowerby. 

 C. subrngosa, Sowerby. 

 C. suhslriala, Conrad. 

 C. Suediensis, Reeve. 

 C. tuherculata^ Linné, 

 C. unicolor, Sowerby. 

 C. variegala, Sowerby. 

 C. verlebrata, Jonas. 

 C. viminea, M art. 



SECTION IL— Lœvisculptœ. 

 Syn. Lœvicardium, Swainson. — Liocardium^ Môrch. 



Coquille longitudinalement ovale, inéquilatérale. Sur- 

 face externe des valves garnie de côtes ou striée. Côtes 

 plus ou moins obsolètes. Test habituellement poli et lui- 

 sant. Ouverture postérieure petite. 



ESPECES. 



€. aUernala, Sowerby. 

 C. apicina, Carpenter. 

 C. auranïiacaikû.elB.ee\e. 

 C. anslralis, Sowerby. 

 C. Beechei,Ad.eiReeye. 

 C. hiradiala, Sowerby. 

 C. Brasiliana, Lamarck. 

 C. citrina, Chemnilz. 

 C. elala, Sowerby. 

 C. Elenensis, Sowerby. 

 C. Europœa, Wood. 

 (/. fragilité, Sowerby. 



C. Kalamantina, A. etReeye, 



C. Jœvigala, Linné. 



C. midtipimclala, Sowerby. 



C. Norvegica, Spengler. 



C. oblonga, Chemnitz. 



C. oviputamen, Reeve. 



C. Pennantii, Beck. 



C. pulchra, Reeve. 



C. Sicula, Sowerby. 



C. striatida, Sowerby. 



C. vilellina, Reeve. 



