Il4 MOLLUSCA OF THE GuLF OF MEXICO 



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

 Fla. Pliocene, Caloosahatchie beds. 



suffusa Gray, Descr. Cat. Cj'-pr. p. i6, 1832; Tr5^on, 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 

 fms. , on reefs. Pliocene, Caloosahatchie beds. 



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

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



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



olorina Buclos, approxiinans Beck. 



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

 Mexico, Yucatan Strait, 640 fms. 



globosa Gray, Bescr. Cat. C3^pr., p. 14, 1832; Tryon, Alan., 7, 

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



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



pilula Kiener, sphaerula Mighels. 



Bistribution. — 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; Ball, Tr. 

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



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

 Not of Bono van. 



Bistribution. — Hatteras to Antilles and Colon; West Fla. 

 and Vera Cruz. 0-63 fms, 



Genus BURSA Bolten 

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



