11.4 MOLLUSCA OF THE GuLF OF MEXICO 84 



Distribution. — St Augustine, Fla., to Barbados and West 

 Fla. Pliocene, Caloosahatchie beds. 



suffusa Gray, Descr. Cat. Cypr. p. 16, 1832; Tryon, Man., 7, p. 

 201, pi. 21, f. I, 2, 1885; Ball, Bull. M. C. Z., 18, p. 240, 

 1889. 



Distribution. — Cedar Keys. West Fla., to Barbados. 1-3 

 f ms. , on reefs. Pliocene, Caloosahatchie beds. 



candidula Gaskoin, Pr. Zool. Soc, p. 200, 1835; Tryon, Man., 

 7, p. 203, pi. 22, f. 33, 34, '85; Dall, Bull. M. C. Z., 18, p. 



240, '89; Bull. 37, U. S. N. M., p. 136, '89. 



olorina Duclos, approximans Beck. 



Distribution. — Hatteras to Barbados. 18-140 fms. Gulf of 

 Mexico, Yucatan Strait, 640 fms. 



globosa Gray, Descr. Cat. C3'pr., p. 14, 1832; Tryon, Man., 7, 

 p. 200, pi. 21, f. 92, 93, '85; Dall, Bull. M. C. Z., 18. p. 



241, '89; Bull. 37, U. S. N. M., p. 136, '89. 



pihila Kiener, sphaerula Mighels. 



Distribution. — Gulf of Mexico, U. S. Fish Com. station 2373, 

 west of Fla., at 23 fms. Also Key West and Antilles. 

 Pliocene, Caloosahatchie beds. 



Genus ERATO Risso 



maugeriae Gray, In Sowerby, Conch. Illustr., p. 17, pi. 7, f. 47. 

 1832; Tryon, Man., 5, p. 9, pi. 4, f. 42, 43, '83; Dall, Tr. 

 W. I. S., 3, p. 168, 1890. 



laevis Emmons, N. Car. Geol. Rept., p. 262, f. 139, 1858. 

 Not of Donovan. 



Distribution. — Hatteras to Antilles and Colon; Vv^'est Fla. 

 and Vera Cruz. 0-63 fms, 



Genus BURSA Bolten 

 affinis Broderip, Pr. Zool. Soc, p. 179, 1832, (as Ranclla); 



