FAUNA OF ORTHAULAX PUGNAX ZONE. 121 



Section FOSSULARCA Cossmann. 



Fossularca Cossmann, Cat. Illustr., 1887, p. 142. Type, Area quadrilatera 

 Lamarck'. Eocene of Paris. 



BARBATIA (FOSSULARCA) ADAMSI E. A. Smith. 



Area coelata Conrad, Fossils Medial Tert., p. 61, pi. .32, fig. 2, 1845; not 



of Reeve, Conch. Icon. Area, 1844. 

 Area lactea C. B. Adams, Manuscript; not of Linnaeus. 

 Area adamsi ( Shuttleworth Ms.) Smith, Journ. Linn. Soc. London, Zool., 



vol. 20, p. 499, pi. 30. figs. 6, 6o, 1888.— Dall, Bull. Mus. Comp. Zool., 



vol. 12, p. 243, 1886. 

 Barhatia (Fossularea) adamsi Dall, Trans. XVagner Inst., vol. 3, pt. 4, 



p. 629, 1898. 



Oligocene of the Tampa silex beds at Ballast Point, of the Chi- 

 pola marls and Oak Grove sands of Florida; of the Bowden beds, 

 Jamaica, West Indies. Miocene of Duplin County, North Carolina. 

 Pliocene of Waccamaw River, South Carolina; of the Caloosa- 

 hatchee River, Shell Creek, and Alligator Creek, Florida. Living 

 from North Carolina to Brazil, in 5 to 116 fathoms. U. S. Nat. 

 Mus. No. 165179. 



Subgenus SCAPHARCA Gray. 



Scapharea Gray, Proc. Zool. Soc. London, 1847, p, 198. Type, Area inaequi- 

 valvis Bruguiere. — H. and A. Adams, Gen. Rec. Moll., vol. 2, p. 538, 

 1857.— Dall, Trans. Wagner Inst., vol. 3, pt. 4, p. 618, 1898. 



SCAPHARCA HYPOMELA Dall. 

 Plate 17, fig. 7 ; plate 21, figs. 17, 18. 



Seapliarea (Seapharca) hypomela Dall, Trans. Wagner Inst., vol. 3, pt. 4, 

 p. 637, pi. 33, fig. 1, 1898. 



Oligocene of the Tampa silex beds at Ballast Point, of the lower 

 bed at Alum Bluff, Chattahoochee River, and of the Chipola marls, 

 Calhoun County, Florida. U. S. Nat. Mus. Nos. 165180, 165181. 



SCAPHARCA LATIDENTATA Dall. 

 Plate 25, fig. 2. 



Seapharca (Scapharea) latidentata Dall, Trans. Wagner Inst., vol. 3, pt. 

 4, p. 638 pi. 32, fig. 15, 1898. 



Oligocene of the Tampa silex beds at Ballast Point ; of the lower 

 bed at Alum Bluff, Chattahoochee River; of the Chipola marls, 

 Chipola River, Calhoun County, Florida; and probably of the Oak 

 Grove sands, Santa Rosa County, Florida. U. S. Nat. Mus. No. 

 149010. 



