CARDIUM. 39 



SPURIOUS. 



Cardium Gfrtenlandicum, Chemn." Conch. Cab. vol. vi. p. 202, pi. 19, f. 198. — 

 Spengl. Skrivt. Naturh. Selskab. vol. v. pt. 1. p. 4G. — 

 Speng. Magaz. Berlin, Gesel. Naturf. vol. ii- p. 126. — 

 Wood, General Conch, p. 227. — Dillw. Recent Shells, 

 vol. i. p. 129. — Lam. Anim. s. Vert. (ed. Desh.) vol. vi. 

 p. 407. — Index Testaceol. pi. 5, f. 28. — Gould, Invert. 

 Massach. p. 92.— Hanl. Recent Shells, vol. i. p. 134. — 

 Reeve, Conch. Iconica, Cardium, pi. 10, f. 53. — Dekay, 

 New York Moll. p. 200, pi. 23, f. 250. 



Venus Islandica, 0. Fabr. Fauna Graenlandica, p. 411. (fide Muller.) 



Mactra radiata, Donov. Brit. Shells, vol. v. pi. 161. — Linn. Trans, vol. viii. p. 

 69. — Turt. Conch. Diction, p. 80. — Dillw. Recent Shells, 

 vol. i. p. 138. 



Cardium edentulum, Mont. Test. Brit. Suppl. p. 29. — Flem. Brit. Animals, p. 

 423. — Sowerby, Genera of Shells, Cardium, f. 2. 



Aphrodita columba, Lea, Americ. Phil. Trans, vol. v. p. 110, pi. 18, f. 54. 



A Boreal species; introduced by Donovan, as taken by Mr. 

 Lashey, after a storm, on the shore near Portsmouth. 



C. SERRATUM, LilllllCUS. 



Cardium serratum, Linn. Syst. Nat. ed. 12, p. 1123. — Flem. Brit. Anim. p. 

 423.— Chemn. Conch. Cab. vol. vi. p. 193, pi. 18, f. 189. 

 — Dillw. Recent Shells, vol. i. p. 124. — Mawe, Concho- 

 logy, pi. 7, f. 2. — IIanl. Recent Shells, vol. i. p. 133. — 

 Reeve, Conch. Iconica, Cardium, pi. 1, f. 1. 

 „ citrinum, Wood, General Conch, p. 223, pi. 54, f. 3. 

 „ lavigatum, Spengler, Magaz. Berlin Gesel. Naturf. vol. ii. p. 125. — 

 Brit. Marine Conch, p. 99. — Lam. Anim. s. Vert. (ed. 

 Desh.) vol. vi. p. 403. 



A West Indian shell, introduced by Dr. Fleming, as from the Pent- 

 land Frith, under the natural supposition that it was identical with 

 TurtorCs sjiecies. The latter is a young variety o/Norvegicuw. 



C. medium, Linnams. 



Cardium medium, Linn. Syst. Nat. p. 1122. — Donov. Brit. Shells, vol. i. pi. 32, 

 f. 1. — Mont. Test. Brit. p. 83. — Linn. Trans, vol. viii. p. 

 Gl. — Turt. Conch. Diction, p. 32. — Flem. Brit. Anim. p. 



