NO. 2162. FLINT RIVER OLIOOCENE FOSSILS— DALL. 519 



the Flint River; A. H. Brooks, 1900. Station 3388, at Red Bluff on 

 Flint River, 7 nules above Bainbridge, from the upper fossiliferous 

 horizon in the bluff; T. W. Vaughan, 1900. Station 7096, at the 

 same locahty; Vaughan, Cooke, and Mansfield, 1914. Station 7075, 

 on the east bank of Flint River, lOJ miles below Bainbridge, and just 

 above Lambert Island. Station 7079, at Mascot Point on the east 

 bank of FHnt River below the mouth of Blue Spring branch, in chert 

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

 No. 166795. Also in the Orthaulax pugnax zone at Ballast Point, 

 Tampa Bay, Florida; Dall, U. S. Nat. Mus. Cat, No. 112933. 



AMPULLINA STREPTOSTOMA HeUprin. 



Plate 85, fig. 11. 



Natica streptostoma Heilprin, Trans. Wagner Inst. Sci. Phila., vol. 1, 1887, p. 112, 



pi. 16, fig. 51. 

 Ampullina streptostoma Dall, Trans. "Wagner Inst. Sci. Phila., vol. 3, pt. 2, 1902, 



p. 374; Bull. U. S. Nat. Miis. No. 90, 1915, p. 107, pi. 12, fig. 27. 



Localities. — Station 3295, at Blue (or Russell) Springs, 4 miles 

 south of Bainbridge, Decatur County, Georgia; station 3388, at Red 

 Bluff, on Fhnt River, 7 miles above Bainbridge, from the upper fos- 

 siUferous horizon of the bluff; station 3381, at base of bluff' at Little 

 Horseshoe bend, just below the mouth of Blue Spring Branch on the 

 east bank of Fhnt River, 4 miles below Bainbridge, in a fossil coral 

 reef; station 3383 at the same locahty; station 6171, at Bainbridge; 

 station 7076, on the east bank of Fhnt River, at the bend half a mile 

 below Lambert island, about 12 miles below Bainbridge; station 

 7079, at Mascot Point on the east bank of Fhnt River, below the 

 mouth of Blue Spring branch, 4 miles south of Bainbridge, in chert 

 blocks; station 7096, same locality as station 3388; and at Jacksou- 

 boro, Georgia, and the Orthaulax pugnax zone at Ballast Point, Tampa 

 Bay, Florida. U. S. Nat. Mus. Cat. No. 166796. 



As the above hst indicates, this is one of the most common OHgo- 

 cene species of the region, occurring in several horizons, but rarely in 

 even tolerably perfect condition. 



AMAUROPSIS OCALANA Dall. 



Plate 88, fig. 11. 



Amauropsis ocalana Dall, Trans. Wagner Inst. Sci. Phila., vol. 3, pt. 1, 1890, 

 p. 377. 



Localities. — Station 7074, at Hale landing on the west bank of 

 FUnt River, 7 miles southeast of Bainbridge, Decatur County, 

 Georgia, in coralhferous chert; station 7079, at Mascot Point on the 

 east bank of Fhnt River below the mouth of Blue (or Russell) Spring 

 branch, 4 miles below Bainbridge, in chert blocks; and station 7095, 

 on the east bank of FUnt River, at the bend near the "Old Factory," 



