56 FLORIDA GEOLOGICAL SURVEY-I3TH ANNUAL REPORT

 Nonizonina depressula Parker and Jones, Ann. Mag. Nat. Hist., ser. 3, vol. 4, 1859, pp. 339, 341. H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 725, pl. 109,,figs. 6, 7. Cushman, Bull. 676, U. S. Geol. Survey, 1918, pp. ig, 67, pl. T, fig. A pl. 26, fig. j; Bull. 103, U. S. Nat. Mus., 1918, p. 72, pl. 25, figs. 5a, b.
 A single specimen which-may be referred to this species was obtained in the vell sample from 88 feet in the Ponce de Leon Well at St. Augustine.
 It occurs in the I\Iiocene of the Gatun formation of the Panama Canal Zone and it has been recorded from the Miocene of Alabama and Virginia,
 Nonionina sp.
 Plate 3, figures 2 a, b.

 At a depth of 380-403 feet in the well at Okeechobee, there are numerous specimens of a species of Non ionina which are very uniform in their characters.

 Geius Polvstomella Lamarck, 1822.
 Polystomella crispa (Linnacus).
 "Cornu Hammonis orbiculatum" Plancus, Conch. Min., 1739, p. 10, P1. 1, fig. 2.
 Nautilus crispius Linnaeus, Syst. Nat., Ed. 12, 1767, p. 1162.
 Polvstomella crispa Lamarck, Anim. sans. Vert., vol. 7, 1822, p. 625, No. i. d'Orbignv, Foram. Foss. Bass. Tert. Vienne, 1846, p. 125, pl. 6, figs. 9-14. H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 736, pl. iio, figs. 6, 7. Cushman, Bull. 676, U. S. Geol. Survey, 1918, p. 69, pl. 27, figs. 1, 4, 5Bull. 103, U. S. Nat. Mus., 1918, p. 76, pl. 27, figs. 2a, b.

 This species in Recent Seas is characteristic of tropical and subtropical waters. In the I\Iiocene of America it is known, especially from the Choctawhatchee Marl of Florida, the Duplin Marl of North and South Carolina, and from the Gatun formation of the Panama Canal Zone.
 In the Florida well samples it has occurred twice, from 41--6
feet in the well at Okeechobee, and from 78 feet in the well at Marathon, pn Key Vaca.
 Polystamella craticulata (Fichtel and Moll1.
 Nautilus craticulatus Fichtel and \loil. Test. -l\icr., 1798, p. 31, p1. 5, figs. h-k.