94 Bulletin 34 126 



Tellina riifescens Chemnitz. 



Soletellina rufescens Dall, Bull. 37, U. S. N. M., p. 58, 1889. 

 Distribution. — Gulf of Mexico to Brazil. Gulf coast. — Tex. 

 (Psammotella) vitrea Deshayes ; Dall, Proc. A. N. S. Phila., 50, 

 p. 58, 1898. 

 Distribution. — Texas to Colon. 



Genus HETERODONAX Morch 

 bimaculata Linnaeus, Sj-st. Nat., ed. X, p. 677, 1758, (as Tellina); 

 Sowerby, Conch. Icon., 17, pi. 18, f. (^\ a-c, 1866; Dall, 

 Bull. 37, U. S. N. M., p. 58, '89; Proc. A. N. S. Phila., 

 50, p. 59, '98 ; Dall and Simpson, Bull. U. S. Fish Com., 

 I, p. 475, 1901 ; Dall, Checklist West Coast Sh., p. 38, 

 1 91 6. 

 Tellina vicina C. B. Adams. 

 Distribution. — Florida to Brazil. Also Monterey, California, 

 to Panama. Recent. Gulf coast. — West Fla. 

 alexandra Dall, Proc. U. S. N. M., 46, p. 228, pi. 20, f. 8, 1914. 

 Distribution. — Pliocene, Satilla formation. Well near Alex- 

 andra, La., at 49 feet. 



Genus ASA PHIS Modeer 

 COCCinea Martyn, Univ. Conch., No. 135, pi. 135, 1784, (as Car- 

 dium); Ed. Chenu. pi. 41, f. 2 ; Morch, Jour, de Conch., 

 7, p. 140, 1858; Dall, Proc. A. N. S. Phila., 50, p, 59, 

 1898 ; Dall and Simpson, Bull. U. S. Fish Com., p. 476, 

 190 1, 

 deflorata (Linn.) d'Orbigny, (as Capsa); Dall, Bull. 37, U. 

 S. N. M., p. 60, 1889. 

 Distribution. — Charlotte Harbor, West Florida, to Brazil. 



Genus TAGELUS Gray 



gibbus Spengler, Skrift Nat. Selsk., 3, p. 304, 1794, (as Solen); 



Dall, Proc. U. S. N. M., 6, p. 337, 1883 ; Bull. 37, U. S. 



N. M.. p. 58, pi. 55, f. 3, pi. 56, f. 3, '89 ; Singley, 4th 



Ann, Rept. Texas, p. 328, '92 ; Mitchell, List Tex. Sh., 



p. 3 ; Dall, Tr. W. I.S., 3, p. 983, 1900 ; Clark, Pleisto- 



