79 MOLIvUSCA OF THE Gui.F OF MEXICO 47 



I, '46 ; Ball, Proc. U. S. N. M., 6, p. 338, '83 ; Bull. 37, 

 p. 58, '89 ; Singley, 4th. Ann. Rept. Tex., p. 328, '92 ; 

 Ball, Tr. W. I. 3, p. 1446, 1903. 

 protexta Conrad, Am. Jour. Conch., 5, p. 107, pi. 12, f. 3, 



1869. 

 do7iadfor)nis Sowerby, Conch. Icon., Cyrena, pi. 19, f. 108, 

 1878. 

 Bistribution. — In salt marshes, Florida to Yucatan. Pleisto- 

 cene to Recent. Gulf coast. — Sarasota Bay, Tampa, Fla., 

 Point au Fer, Belle Isle, La., Corpus Christi, Laguna 

 Madre, Tex. Pleistocene : Osprej^ North Creek, Fla. 



Genus CARDITA Bruguiere 



(Carditamera) gracilis Shuttleworth, Journ. de Conchy., 5, p. 173, 

 1856 ; Ball, Bull. 37, U. S. N. M., p. 46, '89 ; Proc. Acad. 

 Nat. Sci. Phila., p. 702, 1902. 

 Bistribution. — Florida to St. Thomas, W. I. Gulf coast. — 

 Tampa Bay. 



(Carditamera) floridana Conrad, Fos. Med. Tert., p. 12, 1838; 

 Amer. Jour. Sci, p. 393, '46 ; Ball, Bull. 37, U. S. N. M., 

 p. 46, '89; Singley, 4th Ann. Rept. Tex., p. 326, '92 ; 

 Mitchell, List Tex. Sh.; Ball, Proc. Acad. N. Sci., Phila., 

 p. 702, 1902 ; Vanatta, Idem, p. 756, 1903 ; Ball, Tr. W. 

 I. S., 3, p. 1415, pi. 56, f. II, '03. 

 gibbosa Reeve, Conch. Icon., Cardita, pi. 4, f. 21, '43 ; 

 Krebs, W. I. Shells, p. 123, 1864. 

 Bistribution. — Florida to Yucatan, shallow water. Pliocene 

 to Recent. Gulf coast. — Crooked Isl., Calhoun Co., Alli- 

 gator Harbor, Franklin Co.. Ft. Barranca, St. Marks, 

 Cedar Keys, Fla. ; Matagorda and Espiritu Santo Bays, 

 Corpus Christi, Tex. Pleistocene : North Creek, near 

 Osprey, Fla. 



(Glans) dominguensis d'Orbigny, Moll. Cuba, 2, p. 291, 1853 ; 

 Ball, Bull. 37, U. S. N. Mus., p. 46, 1889; Proc. Acad. 

 Nat. Sci. Phila., p. 703, 1902 ; Tr. W. I. S., 3, p. 1616, 

 1903. 



