496 PROCEEDINGS OF THE NATIONAL MUSEUM. 



Locality. —Station 709C, at Ked Bluff on the west bank of Flint 

 River, about 7 miles above Bainbridge. Also at station 7131, Cherry 

 Chute on the FMnt River, 2f niiles below Bainbridge, Decatur County, 

 Georgia; Vaughan, Cooke, and Mansfield, 1914. U. S. Nat. Mus. 

 Cat. No. 166715. 



This species in a general way is intermediate between the Vicks- 

 burgian Crassatellites mississippiensis of Conrad, and the C. deformis 

 Heilprhi, of the Tampa Orthaulax pugnax zone. It is also found in 

 the upper bed at station 7079, at Mascot Pomt, on the FHnt River, 

 in chert blocks. U. S. Nat. Mus. Cat. No. 166766. 



VENERICARDIA PRAECISA Dall. 



Venericardia praedsa Dall, Trans. Wagner Inst. Sci. Phila., vol. 3, 1903, pt. 6, 



p. 427, pi. 5G, figs. 7, 8. 



Locality.— StSition 7095, on the east bank of Flint River, at the 

 bend near the "Old Factory," about three-quarters of a mile north- 

 east of the railway station at Bainbridge, Decatur Comity, Georgia; 

 Cooke and Mansfield, 1914. U. S. Nat. Mus. Cat. No. 166756. Also 

 in the Jacksonian Eocene of Cleveland County, Arkansas; G. D. 

 Harris. 



CARDITA (CARDITAMERA) SHEPARDI Dall. 



Cardita shepardi Dall, Bull. U. S. Nat. Mus. No. 90, 1915, p. 133, pi. 21, figs. 

 10, 11. 



Locality. — Station 7075, on the east bank of Fhnt River, about 

 lOi mUes below Bainbridge, Decatur County, Georgia, and just above 

 Lambert island; Cooke and Mansfield, 1914. U. S. Nat. Mus. 

 Cat. No. 166757. Also in the Orthaulax pugnax zone at Ballast Point, 

 Tampa Bay, Florida. U. S. Nat. Mus. Cat. No. 165193. 



This little species is closely related to the recent C. domingensis of 

 the West Indies. 



PHACOIDES PEROVATUS, new species. 



Plate 84, figs. 7, 8. 



Shell large, moderately thin, moderately inflated; mner margin of 

 the valves entire, the paUial fine rather near the margin, deeply im- 

 pressed, posterior muscular impression narrow, prolonged downward 

 inside the paUial fine, beak rather pointed, and inclined forward, 

 with, in the right valve, two narrow cardinal teeth below it; in the 

 cast there are no distinct traces of lateral teeth. Altitude of larger 

 cast, 53; of smaller one, 48; breadth, 45 and 34; diameter (double), 

 30 and 18 mm., respectively. 



Locality.— Stiition 7150a, from east bank of Fhnt River, just below 

 wagon bridge at Bainbridge, Georgia, from loose blocks of chert; and 

 station 7079, from chert blocks at Mascot Point, on the east bank of 



