35 Bulletin 38 65 



Distribution, — Shores of Gulf of Mexico from Sarasota, 

 West Fla., to Yucatan, 3-5 fms. Pliocene, Caloosahatchie 

 beds, Fla. 

 albinodata Reeve, Zool. Proc, 6, 1846; Tryon, Man., 6, p. 197, 

 pi. 14, f. 5, 1884; Dall.Bull. 37, U. S. N. M., p. 96, '89. 



Distribution. — Charlotte Harbor, West Fla., to Santo 

 Domingo. 



haliostrephis Dall, Bull. M. C. Z., 18, p. 86, pi. 13, f. 3, 18S9; 

 Bull. 37, U. S. N. M., p. 96, pl- 13, f. 3, '89. 



Distribution. — Gulf of Mexico, West of Florida, 84 fms. 



acestra Dall, Bull. 37, U. S. N. M., p. 96, pl. 10, f. 7, '89. 



Distribution. — West Florida to Grenada 161-400 fms. 



pharcida Dall, Bull. M. C. Z., 18, p, 88, pl. 12, f. 2, 1889; Bull. 

 37, p. 96, pl. 12, f. 2, '89. 

 exasperata Dall. Not of Reeve. 



Distribution. — Gulf of Mexico, west of Florida, 229 fms. 

 Also East Fla. to Barbados 150-1002 fms. 



tristicha Dall, Bull. M. C. Z.. 18, p. 88, 1889; Bull. 37, p. 98, 

 1889. 



Distribution. — Three stations Gulf of Mexico between Mis- 

 sissippi delta and Cedar Keys, iii-2iofms. Temperature 

 52°-67° F. 



ebur Reeves, Pr. Zool. Soc, p. 116, 1845, {q& Pleurotoma); 

 Conch. Icon., pl, 30, f. 275, '45; Tryon, Man., 6, p. 188, 

 pl. 13, f, 56, '84; Dall, Bull. 37, U. S. N. M., p. 98, '89. 



Distribution. — Hatteras to Sombrero Isl. Also Gulf of 

 Mexico, West of Florida, Blake Station 10, at 34 fms. 



pagodula Dall, Bull. M. C, Z., 18, p. 90, pl. 13, f. 6, 1889; Bull. 

 37. P- 98, pl. 13, f. 6, '89. 



Distribution. — Gulf of Mexico, West of Florida, 50 fms. 

 Also Barbados. 



