i8 



Buixetin 34 



700, 700-780, 790-830, 880-900, 1040-1043, 1150-1200, 1200- 

 1300, 1330-1375. 1400-1440, 1443-1470, 1470-1480, 1500- 



I525, 1579-1618, I796-I839, 1865-2029 feet ; Weiss No. I 

 well, Saratoga, Texas, (depth not recorded), Teel No. 1. 

 Saratoga, Texas, at 940 feet. Well at Fort Morgan, Ala- 

 bama at 87 and 1 00-112 feet. Orient Station, Hillsboro 

 Co., Fla. ; North Creek, Fla. Pliocene : Myakka River, 

 West Fla. Pleistocene to Upper Miocene : Galveston ar- 

 tesian well from the surface to 2920 feet (Harris). Mio- 

 cene : Gilbert well, No. 10, Bateson, Hardin Co., Texas, 

 at 323 feet (Dall. 

 (Scapharca) auriculata Lamarck 



Area auriculata Lamarck, An. s. Vert., vol. 6, p. 43, I8I9. 



auriculata Reeve, Conch. Icon., Area, No. 35, ph 6, I844. 



{Scapharca) auriculata Dall, Bull. 37, U. S. Nat. Mus. , p. 

 40, I889 ; Trans. Wagner Inst. Sci., vol. 3, pt. 4, p. 649, 

 I898 ; Sheldon, Palseont. Amer., vol. 1, p. 50, pi. 11, fig. 

 19, I9I6 ; Maury, Bull. 30, Amer. Pal., p. I75, pi. 28, fig. 

 3. 1917. 



Distribution. — Key West to Martinique, 15 to 40 fins. Mio- 

 cene to Recent in the Antilles. Gulf coast. — Recent : 

 Texas (Dall ). 



(Cunearca) incongrua Say 



Area incongrua Say, Jour. Acad. Nat. Sci. Phila., vol. 2, p. 



268, 18 22. 



incongrua Tuomey and Holmes, Pleioc. Fos. S. C, p. 45? 

 pi. 16, figs. 5, 6, I856 ; Holmes, Post-Plio. Fos. S. C. p. 

 19, pi. 4, figs. 1, la, I860; Dall, Bull. 37, U, S. Nat. 

 Mus., p. 40, 1889; Singley, Fourth Ann. Rept. Geol. 

 Surv. Texas, p. 325, 1892 ; Harris, Bull. Amer. Pal., vol. 

 I, No. 3, pp. 87, 88, I895 ; Dall, Trans. Wag. Inst. Sci., 

 3, pt. 4, p. 635, I898 ; Vanatta, Proc. Acad. Nat. Sci. 

 Phila., vol. 55, p. 756, I903 ; Sheldon. Palaeont. Amer., 

 vol. 1, p. 59, pi. 14, figs. 4 to 7, I9.I6. 

 Distribution. — North Carolina to Texas, and the closely relat- 

 ed form, S. brasiliana Lamarck, south to Sao Paulo, Bra- 



