188 CONCHYLIA— D/T/irJ?J. 41. 



fdule. Cardicm testd snbglohosd anticjuatd opacd, cosiis 26 trans- 

 versim sqnamosis. 

 Shell somewhat globular antiquated and opake, with 26 ribs 



which are rough witli transverse scales. 

 Cardium edule. Linn. Syst. Nat. p. 1124. 



Gmelin, Syst. p. 3252. 



Turton, Linn. Syst. iv. p. 20.5. 



Pennant, iv. p. 189, tab. 53, lig. 3. 



Montagu, Test. Brit. p. 76. 



Liinn. Trans, viii. p. 65. 



Turton, British Fauna, p. 153. 



Dorset Catal. p. 32, tab. 11, fig. 1. 



Wood, Conch, p. 226, tab. 55, fig. 4. 



Dillwyn, Descript. Catal. p. 127. 



Turton, Conch. Diet. p. 30. 



Chemnitz, vi. p. 198, tab. 19, fig. 194. 

 Cardiura vulgare. Da Costa, p. 180, tab. 11, fig. 1. 

 Cardium rusticum. Donovan, iv. tab. 124, fig. 1, 2. 

 Pectunculus capite minore. Lister, Conch, tab. 334, fig. 171. 

 3Ius. nost. Common on all sandy shores. 



A species every where very well known, and subject to much 

 variation in size and outline ; being sometimes nearly orbicular, 

 sometimes a little truncate at the anterior end, which is occasion- 

 ally much elongated. 



Mr. Wood remarks that great abundance of the shells are 

 collected and regularly brought to London, from spring to au- 

 tumn, for the sake of the fish, which are regarded as a wholesome 

 nourishment. Martin Lister and Da Costa knew their season 



