CARDIUM, 127 



is white, marked with scattered brown spots ; inside white, 

 and longitudinally grooved ; it is difficult to imagine what 

 could have induced Gmelin to arrange this shell as a variety 

 of C. magnum. 



regulare. 35. Shell ovate, equilateral, with convex 

 longitudinal ribs, marked with elevated cres- 

 cent-shaped transverse stria3, and lamellated 

 at the anterior end. 



Cardium regulare. Bruguiere Enc. Meth. p. 227. Wood's 

 Conch, p. 228. 



Inhabits the coasts of St. Domingo, and other West India 

 Islands. Bruguiere. 



Bruguiere describes this species to be most commonly two inches 

 long, twenty-one lines broad, and fifteen high ; white, some- 

 times slightly tinged with yellow about the margins, and in the 

 inside near the hinge ; it has thirty or thirty-one longitudinal 

 ribs, crossed transversely by other smaller ones, which become 

 more elevated and lamellated at the anterior end. 



edule. 36. Shell antiquated, with twenty-six lon- 

 gitudinal ribs, and transverse wrinkled some- 

 what imbricated striae, 



Cardium edule. Linnaus Syst. Nat. p. 1 124. Pennant 

 Zool.'w. p. 91. t. 50. f. 41. Chemnitz, vi. p. 1Q8. t. 

 1Q. f. 194. Schroeter Einl. iii. p. 47. Gmelin, p. 3252. 

 Bruguiere Enc. Meth. p. 220. Montagu Test. p. 76. 

 Maton and Racket, in Lin. Trans, viii. p. 66. Dorset 

 Cat. p. 32. t. 11. f. 1. Wood's Conch, p. 226. t. 55. 

 f. 4. 

 Carduim vulgare. Da Costa Brit. Conch, p. 180. t, 11. 



f. 1. 

 Cardium rusticum. Donovan, iv. t. 124. f. 1 and 2. 

 Lister Anim. Aug. t. 5. f. 34, and Conch. •.. 334. f. 171. 

 Gualter, t. 71. f. F. Knorr, vi. t. 8. f . 2 and 4. Fa- 

 vanne, t. 73. f. E. Enc. Meth. t. 300. f. 5. 

 Common on the cocsts of Great Britain, France, Holland, 



Denmark, Iceland, &c. 

 Shell generally about an inch and a quarter long, near an inch 

 and a half broad, and an inch high ; whitish, or pale ferrugi- 

 nous, with about twenty-six longitudinal ribs, and transverse 

 wrinkled stria?, which in old specimens appear somewhat 

 imbricated. 



