NO. 2162. FLINT RIVER OLIOOCENE FOSSILS— DALL. 501 



Locality. — Station 7096, at Red Bluff, west bank of Flint River, 

 7 miles above Bainbridge, Decatur County, Georgia; Vaughan, 

 Cooke, and Mansfield, 1914. U. S. Nat. Mus. Cat. No. 166718. Also 

 from the Oligocene of Vicksburg, Mississippi. 



PITARU (LAMELLICONCHA) CALCANEA Dall. 



Pitaria (Lamelliconcha) calcaneaBALL, Trans. Wagner Inst. Sci. Phila., vol. 3, 1903, 

 pt. 6, p. 1270, pi. 55, fig. 19. 



Locality. — Station 7096, at Red Bluff, on the west bank of the 

 Flint River, 7 mUes above Bainbridge, Decatur County, Georgia; 

 Vaughan, Cooke, and Mansfield, 1914. U. S. Nat. Mus. Cat. No. 



166773. Also in the Ohgocene of Vicksburg, Mississippi; Johnson. 



PSAMMOBIA CERASIA, new species. 



Plate 84, fig. 10. 



Shell thin, elongate, inequilateral, the anterior side shorter, the 

 beaks inconspicuous; basal and dorsal margins roughly parallel, 

 both ends evenly rounded, margms entire; paUial line and sinus in- 

 distinguishable; hinge in the left valve of three small diverging teeth; 

 the exterior of the shell not preserved, but probably smooth. Length 

 of valve (slightly defective in front), 45; length of posterior portion 

 behind the vertical from the beaks, 28.5; height at the beaks, 25; 

 estimated diameter, 10 mm. 



Locality. — Station 3401, lower bed at Cherry Chute, west side of 

 Flint River, 3 miles below Bainbridge, Georgia ; T. Wayland Vaughan, 

 collector, in 1900. U. S. Nat. Mus. Cat. No. 166719. 



This f omi probably belongs to the subgenus Gohraeus, but whether 

 the outer surface is smooth or sculptured with oblique lines, as in so 

 many other species, can not be determined imtil more material is 

 obtained. 



TELLINA SEGREGATA Dall. 



Tellina segregata Dall, Trans. Wagner Inst. Sci. Phila., vol. 3, 1900, pt. 5, p. 1019, 

 pi. 37, figs. 7, 8; Bull. U. S. Nat. Mus. No. 90, 1915, p. 151, figs. 3, 11. 



Locality. — Station 7075, on the east bank of Flint River, about 10^ 

 miles below Bambridge, Decatur County, Georgia, just above Lam- 

 bert island; Cooke and Mansfield, 1914. U. S. Nat. Mus. Cat. No. 



166774. OrigmaUy collected in the Orthaulax imgnax zone at BaUast 

 Point, Tampa Bay, Florida. U. S. Nat. Mus. Cat. No. 157847. 



7SEMELE, species indeterminate. 



Locality. — Station 7094, on the west bank of Flint River, at the 

 railway bridge at Bainbridge, Decatur County, Georgia; Vaughan, 

 Cooke, and Mansfield, 1914. U. S. Nat. Mus. Cat. No. 166775. 



An impression, probably of a valve of Semele, too imperfect to 

 identify specifically. 



