79 BuLi^RTiN 38 109 



obeliscus C. B. Adams, Contr. Conch., p. 72, 1850, (as Chemnit- 

 zia); Ball, Bull. 37, U. S. N. M., p. 128, '89; Tr. W. I. S., 

 3, p. 261, '92. 



Distribution. — Hatteras to Jamaica. 12-63 fms. Gulf coast, 

 West Fla. and Galveston, Tex. Pliocene, Caloosahatchie 

 beds, Fla. 



virga Dall, Pr. U. S. N. M., 6, p. 332, 1883; Bull. 37, U. S. N. 

 M., p. 128, '89. 



Distribution. — Hatteras to Florida Ke\^s and Cedar Keys, 

 Fla. 2-15 fms. Pliocene, Caloosahatchie River. 



punicea Dall, Pr. U. S. N. M., 6, p. 332, 1883; Tr. W. I. S., 

 3, p, 261, 1892. 



Distribution. — North Carolina to the Bahamas. 2-31 fms. 

 Gulf coast, Cedar Ke3\s, West Fla. Pliocene, Caloosa- 

 hatchie beds. 



curta Dall, Bull, M. C. Z., 18, p. 337, pi. 26, f. 7c, 1889; Bull. 

 U. S. N. M., p. 128, pi. 26, f. 7c, '89. 



Distribution. — Yucatan Strait, 640 fms. Also off Cape Plat- 

 teras and Antilles. 



speira Ravenel, Pr. Elliott Soc. Nat. Hist, i, p. 280, 1859, (as 

 C/iemm f zia) iHolmes, Post-Pl. Fos. S. C, p. 82, pi. 13, f. i, 

 la, 1859; Dall, Tr. W. I. S., 3, p. 258, 1892. 



Distribution. — Pleistocene, S. Carolina, and /idc Hilgard, of 

 the Lake Borgne, borings, La. Pliocene, Coloosahatchie 

 beds (?). Not reported in the recent fauna. 



reticulata C. B. Adams, Contr. Conch., p. 75, 1850; Dall, Tr. 

 W. I. S., 3, p. 260, '92. 



Distribution. — North Carolina to Jamaica, 0-60 fms. Re- 

 ported by Singley from Galveston, Tex. Pliocene, Caloosa- 

 hatchie beds, West Florida. 



conradi Bush, Vanatta, Pr. A. N. S. Phila., 55, p. 758, 1903, 



