g^ POST-PLEIOCENE FOSSILS. 



anal margins sub-truncate. The genus is distinguished from solen by the number of 

 teeth in the hinge, and by the curved form of the valves. 



This is a well-known shell, living all along the coast of the United States. 



Plate VIII. Fig. 13, Natural size, one valve broken. 



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



Genus, SILLIQUARIA. — Schum. 



SILLIQUARIA CARIBffiA. 

 Plate VIII. Fig. 14. 



Solecurtus cariboeus, Blain, Diet, des Sci. Naturelle, Vol. 29, p. 240. 



Solecurtus cariboeus, Con., Marine Conch., p. 22, pi. 4, fig. 3. 



Solecurtus cariboeus, Gould, Invert. Mass., p. 30. 



Solen cariboeus, Ravenel, Cat. Coll. Shells, p. 2. 



Solecurtus cariboeus, L. R. Gibbes, Tuomey's Geol. So. Ca., appendix, p. xxii. 



Solecurtus cariboeus, Tuometj 4- Holmes, PleioceneFoss. So. Ca.,p. 99, pi. 23, figs. 12 and 13. 



Solecurtus gibbus, Stimpson, Shells of New-England, p. 22. 



Silliquaria gibba, Adams, Gen. Recent Shells, Vol. 2, p. 347. 



Description. Shell oblong-oval, straight, gaping at both ends ; buccal and anal margins 

 obtusely rounded ; pallial margin straight, slightly compressed near the middle, beaks 

 nearly central, slightly elevated ; hinge teeth two, three ; sinus of pallial impression very 

 deep, extending beyond the umbo. 



Silliquaria caribcea is found in the Pleiocene of South-Carolina; is very abundant in 

 the Post-Pleiocene, and common in the recent state on the coast. 



Plate VIII. Fig. 14, Valves, natural size. 



Locality. Charleston ; Simmons'; Abbapoola. 



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



