62 POST-PLEIOCENE FOSSILS. 



convex, with three or four continuous varices ; varices spinous ; aperture ovate, canal 

 long, narrow, and slightly recurved. 



Dead shells of this species often found upon the sea beaches, are supposed to belong 

 otsbu-marine Post-Pleiocene beds, as they are fossil in appearance, and we know of no 

 living specimen having yet been discovered upon our coast. 



Plate X. Fig. 2. 



Museum, College of Charleston; Cabinet F. S. H. 



Genus, BURSA. 

 Sub. Genus, EUPLEURA.— H. & A. Adams. 



EUPLETJRA CAUDATA. 



Plate X. Fig. 3. 



Ranella caudata, Say, Amn. Conch., pi. 48. 



Ranella caudata, Gould, Invert. Mass., p. 297, fig. 204. 



Ranella caudata, De Kay, Zool. New- York, Art, Mollusca, p. 139. 



Ranella caudata, Ravenel, Cat. Coll. Shells, p. 15. 



Ranella caudata, L. R. Gibbes, Tuomey's Geol. So. Ca., appendix, p. xx. 



Apollon caudata, Tuomey <%■ Holmes, Pleiocene Foss. So. Ca., p. 142, pi. 28, fig. 3. 



Eupleura Caudata, Adams, Gen. Recent Shells, Vol. 1, p. 107. 



Description. Shell rhomboidal, thick, checkered with revolving lines and longitudinal 

 ribs ; canal long and straight, aperture ovate, outer lip thick, margin with raised granules 

 and lines.— T. $ H. 



This shell is found all along the Atlantic coast from Buzzard's Bay to Florida, but it is 

 more abundant at the South than the North. 



Plate X. Fig. 3, Natural size.' 



Locality. Simmons'. Museum, College of Charleston; Cabinet F. S. H. 



