B R Y Z A . 



or punctate; cells oblong, denticulate, quincunx; mouths circular, or semi-circular; 

 margin crenulated. 



This is a very abundant species in the Post-Pleiocene marls and sands, and is identical 

 with one living on the coast. 



'to 



Plate II. Fig. 4, Shell, magnified. 



" 4«, Profile, natural size. 

 " 4i, Outline of base. 



Locality. Simmons'; Abbapoola; St. Andrew's. 



Museum, College of Charleston; Cabinet F. S. 11. 



AUTICULATA. 



Class, CRUSTACEA. Order, CIRRIPEDIA. Family, BALAXOIDEA. 



Genus, BALANUS.— Brdg. 



B ALAN US EBURNEUS. 

 Pl.\te II. Figs. 5 and 5a. 



Balanus eburneus, Gould, Invert. Mass., p. 15, fig. 6. 



Balanus eburneus, De Kay, New-York Fauna, part 5, p. 252, pi. 35, fig. 320. 



Balanus eburneus, L. R. Gibhes, Tuomey's Geol. So. Ca., appendix, p. xviii. 



Description. Shell white, smooth, obliquely conical; the raised triangles, with lanceo- 

 late points, all inclined backwards; within, regularly grooved. — Gould. 



A large number of specimens are fotind in the Post-Pleiocene beds of South-Carolina, 

 and although the above description does not exactly apply to all the varieties, we consider 

 them specifically identical. It is a common species in Charleston harbor. 



Plate II. Figs. 5, and ba. 



Locality. Simmons'; Wadmalaw Sound; Abbapoola Creek, John's Island. 



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



