83 Mollusc A of the Gulf of Mexico 51 



89 ; Proc. U. S. N. M., 23, p. 804, 1901 ; Johnson, Occ. 



P. Bost. Soc. Nat. Hist., 7, p. 61, 1915. 

 Distribution. — Cape Cod to Rio de Janeiro, 50 to 464 fms. 



Gulf of Mexico, 321 fms. Temperature 46° F. 

 (Eulopia) sagrinata Dall, B. M. C. Z., 12, p. 265, 1886, {as Lzi- 



nna); Bull. 37, U. S. N. M., p. 52, '89; Proc. U. S. N. 



M., 12, p. 263. pi. 14, fig. II, '89 ; 23, p. 805, 1901. 

 Distribution. — Gulf of Mexico to Yucatan, 85-300 fms. 



Genus CODAKIA Scopoli 



cubana Dall, Proc. U. S. N. M., 23, p. 799, 1901. 



Loripes zde/'/ca Ball, B. M. C. Z., 9, p. 135, '81. Not of 

 Reeve, 1850. 



Luczna lenticula Dall, B. M- C. Z., 12, p. 265, '86. Not of 

 Reeve, 1850. 

 Distribution. — Antilles and Gulf of Mexico, Yucatan Strait, 

 640 fms. 

 orbicularis Linnaeus, Syst. Nat. ed. X, p. 688, 1758, (as Venus'); 

 Dall, Proc. U. S. N. M., 23, p. 799, 1901 ; Dall and Simp- 

 son, Bull. U. S. FishComm., i, p. 491, '01 ; Dall, Tr. W. 

 I., 3, p. 1347, '03. Not Liicina orbicularis SowQ.rhy , 1837; 

 nor of Deshayes, 1836. 

 Vefius tigerina var. Linnseus, 1767. 

 Cytherea tigerina Lamarck, An. s. Vert., 5, p. 574, (not p. 



569), 1818. 

 Lucina tigerina Reeve, Conch. Icon., 6, Lucina, pi. i, f. 3, 

 '50 ; Dall, Bull. 37, U. S. N. M., p. 50, '89 ; Singley, 4th 

 Ann. Rept. Texas, p. 326, '93. ^ot tigerina Linnaeus. 

 Distribution. — St. Augustine to northern South America, shal- 

 low water. Pliocene to Recent. Gulf coast. — West Fla. 

 and Galveston. Pliocene : Caloosahatchie and Shell 

 Creek, Fla. 

 Note. — This species has been confused with tigerina Linn. 



which is Indo-Pacific. 

 (Jagonia) orbiculata Montagu, Test. Brit., Suppl., p. 42, pi. 12, f 



