47 Bulletin 38 ' 77 



68, pi. 16, f. 2, 3, 1883; Dall, Bull. 37, U. S. N. M., p. 

 106, '89. 



Distribution. — Hatteras to Tortola and West Florida, 

 eutacta Dall, Tr. Wagner Inst. Sci., 3, p. 1576, pi. 58, f. 3, 

 1903. 



Distribution. — Lower Miocene, Chipola marl, Fla, and Mo- 

 bile Oil Go's No. 2 Bascom well near Mobile, Alabama, at 

 1 241 feet, Chipola horizon. 



galvestonensES Harris, Bull. Am. Pal., vol. i, p. 100, pi. 3, f. 13, 



1895- 



Distribution. — Upper Miocene, Galveston well at 2410-287 1 



feet. 

 subtexana Harris, Bull. Am. Pal., vol. i, p. loi, pi. 4, f. i, 



1895- 



Distribution. — Upper Miocene, Galveston well at 2552-2871 



feet 



Genus MARGIl^ELLA Lamarck 



carnea Storer, Jour. Bost. Soc, N. H.,i, p. 465, pi. 9, f. 3, 4, 

 1837; Sowerby, Thes., f. 103; Tryon, Man., 5, p. 33, pi. 10, 

 f. 86, 18S3; E>all, Bull. 37, U. S. N. M., p. 106, '89. 



Distribution. — Charlotte Harbor, West Fla., Florida Keys 

 and Antilles. 



storeria Couthouy, Jour. Bost. Soc. N. H., i, p. 440, pi. 9,f. 1,2, 

 1837; Dall, Bull. 37, U. S. N. M., p. 106, '89. 



Distribution. — Gulf of Mexico, West Fla., to Colon. 



cassis Dall, Bull. M. C. Z., 18, p. 137, pi. 35, f. 8, 1889; Bull. 

 37, p. 106, pi. 35, f. 8, '89. 



Distribution.— Gulf of Mexico, Lat.25° N., Lon. 84° W., at 

 loi fms. Also off Cuba. 



apicinca Menke, Syn. Meth. Moll., p. 87, 1828; Tryon, Man., 5, 



p. 33, pi. 10, f. 89, '83; Dall, Bull. 37, U. S. N. M., p. 106, 



