580 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



135060. Scapharca (Bathyarca) spenceri Dall. Holotype. 



Pliocene. Telmantepec, Panama. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, p. 652, 

 pi. 32, figs. 16, 24. 



149025. Scapharca (Scapharca) staminata Dall. , Holotype. 



Oligocene. Alum Bluff, Florida. 



Dall, Trans. Wagner Free Inst. vSci. Phila., Ill, Pt. IV, 1898, p. 641, 

 pi. 31, figs. II, 13. 



113801. Scapharca (Argina) tolepia Dall. Holotype. 



Oligocene. Potrero, Rio Amino, Santo Domingo. 



Dall, Trans. Wagner Free Inst. vSci. Phila., Ill, Pt. IV, 1898, p. 649, 

 pi. 33, figs. 7,8. 



107722. Scapharca (Scapharca) triphera Dall. Holotype. 



Pliocene. Caloosaliatchie Ri\-er, near Fort Thompson, 

 Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, p. 648. 

 pi. 33, fig. 6. 



1 1 1804. Scaphella ( Caricella ) demissa ('Conrad). Plesiotypes. 



Oligocene. Yicksburg, Mis.si.ssippi. 



Dall, Trans. Wagner Free In.st. vSci. Phila., Ill, Pt. I, 1890, p. 78, 

 pi. 7, fig. 3. 



1 1 1830. Scaphella floridana (Heilprin). Plesiotypes. 



Pliocene. Caloosaliatchie River, near Fort Thompson, 

 Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1890, p. 89, 

 pi. 7, fig. 8. 



1 1 1802. Scaphella (Caricella) leana Dall. Holotype. 



Kocene. Prairie Creek, Wilcox Comity, Alabama. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1890, p. 86, 

 pi. 6, fig. 9. 



6088. Scaphella (Aurinia) obtusa (l^mmons). Plesiotypes. 



Miocene. I^ocality in North Carolina not known. 



Dall, Trans. Wagner Free In.st. vSci. Phila., Ill, Pt. I, 1890, p. 80 

 pi. 7, fig. 7. 



Sca])hella jiodagrina Dall. See Caricella podagrina. 



111S14. Scaphella (Caricella) subangulata (Conrad). Plesiotypes. 

 Upper Focene. Crarland Creek, Mi.ssissippi. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1890, p. 87, 

 ])1. 6, fig. 1 1. 



1 11832. Scaphella trenholmii ( Tnomey and Holmes). Plesiotype. 

 Oligocene. Alum P)luiT, IHorida. 



Dall, Trans. Wagner Free Inst. vSci. Phila., Ill, Pt. I, 1890, p. 88, 

 pi. 6, fig, 10. 



