498 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.51. 



Red Bluff, 7 miles above Bainbridge, Decatur County, Georgia; 

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

 166760. 



The species was originally described from the Jacksonian Eocene 

 of the Ocala horizon, Ocala, Florida, where it was collected by Mr. 

 Joseph Willcox. 



PHACOIDES (MILTHA) HILLSBOROENSIS Heilprin. 



Plate 88, fig. 12. 



Lucina hillsboro'ensis Heilprin, Trans. Wagner Inst. Sci. Phila., vol. 1, 1887, pp. 



117, 120, pi. 16, fig. 62. 

 Phacoides (Miltka) hillsboro'ensis Dall, Trans. Wagner Inst. Sci. Phila., vol. 3, 



1903, pt. 6, p. 1376; Bull. U. S. Nat. Mus. No. 90, p. 139, fig. 5, 1915. 



Localities. — Station 3381, at the base of the bluff at Little Horse- 

 shoe bend just below the mouth of Blue (or Russell) Spring branch, 

 4 miles below Bainbridge, Decatur County, Georgia, on the east bank 

 of Flmt River; T. W. Vaughan, 1900. Also at station 7095, just 

 above Lambert Island, 10^ miles below Bainbridge, on the east 

 bank of Flint River; and at station 7079, at Mascot Point, Flmt 

 River, in chert blocks; Vaughan, Cooke, and Mansfield, 1914, U. S. 

 Nat. Mus. Cat. No. 166761. 



This species is widely distributed, having been previously reported 

 from the Ortliaulax pugnax zone at Ballast Point, Tampa Bay, Flor- 

 ida; from the lower bed at Alum Bluff, Apalachicola River, Florida; 

 and from the Chipola marl m Calhoun County, Florida, by Heilprin, 

 Bums, and Dall. U. S. Nat. Mus. Cat. No. 114706, etc. 



CARDIUM (TRACHYCARDIUM) GLEBOSUM Conrad. 



Cardiumglebosum CoNRAB,Jouin. Acad. Nat. Sci., Phila., new ser., vol. 1, 1848, 

 p. 122.— Dall, Trans. Wagner Inst. Sci. Phila., vol. 3, 1900, pt. 5, p. 1080. 



Cardium globosum. Conrad, Amer. Journ. Conch., vol. 1, 1865, p. 7; not of Bean, 

 1839. 



Locality. — Station 7075, on the east bank of Flint River, lOJ miles 

 below Bainbridge, Decatur County, Georgia, just above Lambert 

 Island; Cooke and Mansfield, 1914. U. S. Nat. Mus. Cat. No. 166767. 

 Also from the Red Bluff beds of Mississippi. 



CARDIUM EVERSUM Conrad. 



Cardium eversum Conrad, Journ. Acad. Nat. Sci., Phila.. new ser., vol. 1, 1848. 

 p. 122, pi. 12, fig. 18. 



Locality.— Station 3381, at the base of the bluff at Little Horseshoe 

 Bend, 4 miles below Bainbridge, Decatur Comity, Georgia, just 

 below the mouth of Blue (or Russell) Spring branch, on the east bank 

 of Flmt River, Georgia; T. W. Vaughan, 1900. U. S. Nat. Mus. Cat. 

 No. 166769. Also originally from the Oligocene of Vicksburg, Mis- 

 sissippi; Conrad. 



