113 Bulletin 38 ^43 



Tampa, West Florida; Galveston, Texas. (Dr. Gurle}^). 



subcylindrica Linnaeus, Syst. Nat., ed. XII, p. 1248, 1767, (as 

 Helix); Gra3% in Turton, Man., p. 295, f. 72, 1857; Binney, 

 Land and Fr. W. Sh. N. A., pt. 3, p. 100, f. 201, 1865; 

 Dall and Simpson, Bull. U.vS. Fish Com., p. 436, 1901. 



Distribution.— Tampa, West Fla., to St. Thomas, W. I. 



Genus CHE I LEA Modeer 



equestris Linnaeus, Syst. Nat., ed. X, p. 7S0, 1758, {s.s Patella); 

 Tryon, Man., 8, p. 137, pi. 41, f. 25, 26, 1886; Dall, Tr, W. 

 I. S., 3, p. 348, '92, (as Mitriilaria^ ; Pr. U. S. N. M., 37, 

 p. 232, 1910. 



Distribution. — Hatteras to Barbados, Gulf of Mexico, Blake 

 station 2. Also Pacific Ocean, Mexico to Chile. Pliocene. 

 Caloosahatchie beds, Fla. 



Genus CAPULUS Montfort 



intortus Lamarck, Anim. s. Vert., 6, pt. 2, p. 18, 1822: d'Orbig- 

 ny, Moll. Cuba, i, p. 186, pi. 24, s. 22, 23, 1842; Tryon, 

 Man., 8, p. 131, pi. 39, f. 75, '86; Dall, Bull. 37, U. S. N. 

 M., p. 154, '89. 



Distribution, — Gulf of Mexico, Blake station 5, at 229 fms. 

 Also off Florida reefs, Hatteras and Bahamas. 



Genus CREPSDULA Lamarck 



fornicata Linnaeus, Syst. Nat., ed. XII, i, p. 1257, 1767, (as 

 Patella); Hilgard, House of Rep. Ex. Doc, i, pt. 2, p. 887, 

 1878; Dall, Bull. 37, U. S. N. M., p. 152, pi. 48, f. 16, pi. 

 50, f. 23, 24, 1889; Tr. W. I. S., 3, p. 356, '92; Singley, 

 4th Ann. Rept. Tex., p. 341, '92; Vanatta, Pr. A. N. S. 

 Phila., 55, p. 758, 1903; Johnson, Occ. Pa. Bost. Soc. N. H., 

 7, p. 109, 1915. 



Distribution. — Granada to Cartagena, Colombia. Gulf coast: 

 Cedar Keys, St. Mark's, Ft. Barranca, &c.. West Fla., La., 

 Galveston and Corpus Christi, Tex. Pleistocene, Lake 



