386 PROCEEDINGS OF THE NATIONAL MUSEUM. voL.xxiir. 



This is Cardiuni muricatuin Linnaeus. No. 69, not No. 62, 1758; 

 -|- Cardiuin emnj^ecMense Boiten, 1798; + Cardium gossei Deshayes, 

 1854. 



Cardium (Trachycardium) leucostoma Born. 1780. 



Kanoe: West Indies. 



This includes Cardium inaTinorewn Lamai'cl\, 1819; + Cardhun 

 elongatiim Wood, 1815, and Sowerby, 1831, not Bruouiere. 1789; + 

 Cardium magnuno Wood, 1825. I am inclined to think this shell may 

 be the original Cardium magnum Linna?us. 



Cardium (Trachycardium) subelongatum Sowerby, 1840. 



Range: Southern West Indies. 



This is not the Cardium angulafum Lamarck as assumed by some 

 authors. 

 Cardium (Cerastoderma) ciliatum O. Fabricius, 1780. 



Range: Arctic and boreal seas south to Cape Cod on the Atlantic and 

 to Puget Sound on the Pacific side. 



This is Cardluin Islandlcum Chemnitz^ 1782; + Cardium edvIeMohr. 

 1786, not of Linnaeus; -\- Cardlmn pubescens Couthouy, 1838; -{-Cai'- 

 diuni arcticum Sowerby, 1840; + Cardium dawsoni Stimpson. 1862; 

 ■\r Cfirdlum, liayesii Stimpson, 1863; -\- Cardium horeide Broderip and 

 Sowerby, 1829, not of Reeve, 1844. The small compact specimens 

 which have lost their pubescence form Stimpson's Cardium, haye^dl. 



Cardium (Cerastoderma) elegantulum Beck. 1842. 



Range: Greenland, 9») fathoms. 



This is described from Beck's manuscript in MoUer's Index Moll. 

 Gronl., 1842. 



Cardium (Cerastoderma) pinnulatum Conrad, 1831. 



Range: Laljrador to Capo Lookout, North Carolina, in 1 to 266 

 fathoms. Also Pleistocene of New Brunswick. 



Cardium (Dinocardium) robustum Solander, 1786. 



Range: Cape May, New^ Jersey, south to Belize and Jamaica, West 

 Indies. Tapper Miocene to Recent. 



This is best known imder the name of Cardium ma(inum Born. 

 1780, but it is not the Cardkvm magnum of Linnieus, 1758; it is 

 Cardium. ventrlcosum Bruguiere, 1789; Cardium. maculatum Gmelin, 

 1792; + ('(rrdlumi carol Inense Conrad, 1862, not of Conrad, 1875. 



Cardium (Fragum) medium Limueus, 1758. 



Range: Cape Lookout, North Carolina, south to Santa Maita, 

 Brazil. Upper Miocene to Recent. 



This includes Cardium veimstum \)\xx\]^q.\\ 1861, and Cardium 

 columba Heilprin, 1886; but not Cardium magnificum Deshayes, as 

 stated by Carpenter. 



Cardium (Trigoniocardia) antillarum Or])igny, 1845. 





