124 MOLLUSCA OF THE GuLF OF MEXICO 94 



(Eumeta) subulata Montagu, Test. Brit. Suppl., p. 115, pi. 30, 

 f. 6, 180S, {2.S, Murex); Dall, Bull. M. C. Z., 18, p. 252, pi. 

 20, f. 4, '89; Bull. 37, U. S. N. M., p. 140, pi. 20, f. 4, 

 pi. 52, f. I, '89; Johnson, Occ. Pa. Bost. Soc. N. H., 7, p. 

 126, 1915. 



emersoni C. B. Adams, Jour. Bost. Soc. N. H., 2, p. 284, pi. 4, 

 f. 10, 1838, (as CeritJiium) Verrill, In v. Vineyard Sound, p. 

 648, pi. 24, f. 151, 1873. 

 picndahnn Philippi, 1848. Not of Bruguiere, 1789. 



Distribution. — Massachussetts to Grenada, W. I. Gulf of 

 Mexico, Cedar Ke3's, Texas and Yucatan. 2-15 fms. Plio- 

 cene of the Caloosahatchie. 



Genus SEILA A. Adams 



adamsi H. C. Lea, Tr. Amer. Phil. Soc. 2d ser. 9, p. 42, 1845, 

 (as CcritJiiiivi); Dall, Tr. W. I. S.,3, p. 267, 1S92; \'anatta 

 Pr. A. N. S. Phila., 55, p. 758, 1903; Johnson, Occ. Pa. 

 Bost. Soc. N. H., 7, p. 127, 1915. 

 tereh-alis C. B. Adams, Jour. Bost. Sec. N. H., 3, p. 320, pi. 

 3, f. 7, 1840 (as Cerifhmvi); De Kay, N. Y. Moll, p. 130, 

 pi. 8, f. 172, '43; Dall, Bull. M.C. Z., 18, p. 250. '89; Bull.U. 

 S. N. M., p. 138, pi. 52, f. 5, '89. Not Cerithinm terebrale 

 Lamarck. 



Distribution — Massachu.ssetts to Samana Bay, Dominican Re- 

 pul)lic. 0-20 fms. Gulf coast: Cedar Keys, Fla.; Cliande- 

 leurs. La.; Galveston and Corpus Christi, Texas, 0-20 fms. 

 Pleistocene, Gulf coast. Pliocene, Caloosahatchie River, 

 Fla. Lower Miocene, Chipola marl, West Fla. 



Genus CERITHiUM Bruguiere 

 floridanum Moerch, Mai. Elatt., 23, p. 114, 1876; Dall, Bull. 37, 

 U. S. N. M., p. 140, '89; Tr. W. L S., 3, p. 282, pi. 14, f. 

 10, 1892; Vaughan, Publ. No. 133, Carn. Inst., p. 171, 

 1910. 



Distribution — Hatteras to Cuba and West Fla. Pleistocene, 

 Labella, West Fla. Pliocene, Calaosahatchie beds. 



