114 PLEIOCENE FOSSILS. 



NATICICIDJI. 



NATICA.-Lam. 



NATICA HEROS. — Say. 

 Plate XXV. Fig. 15. 



Natica heros, Say, Jour. Acad. Nat. ScL, Vol. 2, p. 248. 

 Natica heros, Gould, Invert Mass., p. 231, fig. 160. 



N. testa sub-globosa; anfractibus convexis interdum mquatis; sutura bene signata; aper- 

 tura ovata; umbilico magno, simplici. 



Description. Shell sub-globose; whorls convex sometimes flattened, and with distinct 

 lines of growth; suture well marked; aperture ovate; umbilicus large, simple. 



This shell is often found in a recent state on the coast of New Jersey, but more abun- 

 dantly north of Cape Cod ; it is a rare species in the Pleiocene of South Carolina, and but 

 seldom found on the coast south of Hatteras, in a living state. 



Plate XXV. Fig. 15, Front and back view of shell, natural size. 



Locality. Pee Dee ; Smith's, Goose Creek. 



Museum, College of Charleston. 



NATICA DUPLIC ATA. — Say. 



Plate XXV. Fig 16. 



Natica duplicata, Say, Jour. Acad. Nat. Sci., Vol. 2, p. 247. 

 Natica duplicata, Gould, Invert. Mass , p. 236, fig. 163. 



N. testa solida conico-ovata; umbilico irregulari, profunde sulcato, partim vel omnino callo 

 obtecto; apertura ovata, obliqua. 



