53 BUI.LETIN 38 S3 



Distribution. — Type from Caloosahatchie marl, Fia., Plio- 

 cene. Also Bascom No. i well, near Mobile, Alabama, at 

 1500- 1 556 feet. Miocene. Not in the Recent fauna. 



Genus FASCiOLAR^A Lamarck 



gsgasitea Kiener. Icon. Coq. Viv., p. 5. pi. 10, 11, 1840; Try on, 

 Man., 3, p. 75, pi. 60, f. 14, '81; Dall, Bull. 37, U. S. N. M., 

 p. 112, '89; Tr. W. I. S., 3, p. 104, '90; Singley, 4tli Ann. 

 Rept. Tex. G. S., p. 334, '92; Dall & Simpson, Bull. U. S. 

 Fish Com., i, p. 397, 1901; Vaughan, 2d Ann. Rept. Fla. 

 G. S., p. 149, 1909; Johnson, Nautilus, p. 44, Oct., 1919. 



Distribution. — Flatteras to Brazil, o-io fms. Gulf coast; 

 West Florida; Point au Fer. La.; Corpus Christi and Mat- 

 agorda Isl., Tex. Pleistocene, Nevv^ Orleans pumping Sta- 

 tion No. 7, North Creek and Manatee, "West Fla. Pliocene, 

 Caloosahatchie River marl. 



tuHpa Linnaeus, S3^st. Nat. ed X, p. 754, 1758, {slS Murex); 

 Kiener, Coq. Viv., p. 2, pi. i, 2, 1840; Tryon, Man., 3, p. 

 74, pi. 59, f. 1-4, '81; Dall, Tr. W. I. S., 3, p. loi, pi. 7, f. 

 II, '90; Vanatta, Pr. A. N. S. Phila., 55, p. 757, 1903; 

 Johnson, Nautilus, p. 46, Oct., 1919. 



Distribution. — North Carolina to Colombia and Antilles.©- 10 

 fms. Gulf coast: Cedar Keys, St. Joseph's Baj^ and St. 

 Marks, West Fla., Texas coast. Pleistocene, North Creek, 

 Fla. Pliocene, Caloosahatchie beds. 



distaiis Lamarck, An. s. Vert., 7, p. 119, 1822; Tuomey & Holmes, 

 PI. Fos. S. C, p. 151, pi. 30, f. 7, 1857; Hilgard, House of 

 Rep., Ex. Doc. I, pt. 2, p, 886, '78; Dall, Tr. W. I. S., 3, p. 

 102, pi. 7, f. 10, '90; Singley, 4th Ann. Rept. Geol. Surv. 

 Tex.,;p. 334, '92; Mitchell, List. Tex. Sh., p. 16; Vaughan, 

 Publ. No. 133, Carn. Inst., p. 171, 1910; Johnson, Nautilus, 

 p. 47, Oct., 1919. 



Distribution. — Hatteras to Yucatan 0-54 fms. Gulf coast: 

 Cedar Keys, St, Marks, Fla.; Cameron and Chandeleurs, 



