16 PLEIOCENE FOSSILS. 



REPTOCELLEPORARIA SIMILIS. 



Plate IV., Fig. 13 and 14. 



Cellepora similis, Lons., Quar. Jour. Geol. Soc, Lon., Vol. I., p. 509. 



E. incrustam irregulariter • cellulis globosis, confusis ; ore magno, rotundo, terminali. 



Description. Incrusting irregular, not porous; cells globular, confused; mouth large, 

 circular, terminal. 



This species is easily distinguished from the preceding by the more even and less verru- 

 cose surface of the masses. The whole is covered by little elevations, which rarely become 

 mammillary. The absence of pores, when viewed through a lens, separates it readily from 



Ft. INFORMATA. 



Plate IV., Fig. 13. Fragment, natural size. 

 " 14. Cells magnified. 



Locality. Darlington District, S. C. Found also at Petersburg, Virginia. 



Museum, College of Charleston. 



HETEROPORA.— Blain. 



HETEROPORA TORTILIS.— Lons. 



Plate IV., Fig. 15 and 16. 



Heteropora tortilis, Lons., Quar. Jour., Geol. Soc, London, Vol. I., p. 500. 



H. ramosa — dichotoma • ramis rotundo, truneatis, brevibus / poris tubulosis inequalibus. 



Description. Branching, dichotomous, branches short round, truncated ; pores tubular 

 round or somewhat angular, unequal. 



The fragment figured is the only specimen yet found in South Carolina. Fig. 17 is a 

 specimen from the Meiocene of Virginia, introduced to show the branching form of the 



