PLATE VI. 



CARDIUM ACULEATUM. 



SPIKED COCKLE. 

 GENERIC CHARACTER. 



Two teeth near the beak ; and another remote one on each side of 



the shell. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Shell nearly heart-shaped. Ribs high, sulcated down the middle, and 

 beset with long canaliculated spines. 



Cardium Aculeatum: C. testa subcordata: sulcis convexis linea 

 exaratis: exterius aculeato ciliatis. — Gruel. Linn. 

 Syst. Conch, p. 3247. 7. 



Pectunculus maximus insigniter echinatus. JVallace, Orkney, p. 44. 



Cceur de bceuf. Argenville. Conch. I. p. 335. Jig. B. 



Cceur de bceuf Epineux. D'Avilla Cab. p. 355. No. 817. 



Concha cordiformis aequilatera, umbone cardium unito, striata, striis 

 latis canaliculatis muricata aculeis longis et acutis, 

 aliquando recurvis in summitate striarum positis, al- 

 tida, et parvis maculis luteis obscure fasciata. Gualt. 

 I. Conch, tab. 72. Jig. A. 



Cardium Aculeatum. Aculeated. Penn. Br. Zool. 1 37. tab. BO. Jig. 37. 



Cardium Aculeatum, Spiked Cockle, A, Da Costa, Br. Conch, p. 175. 



D 2 



