248 



NORTH-CAROLINA GEOLOGICAL SURVEY. 



and one ridge at the posterior angle ; beak reflexed. Mio- 

 cene of the Cape Fear River ; half the natural size. 



FIG. 105 A. 





FIG. 106. 



MUREX SEXCOSTATA. (Fig. 106.) 



Shell fusiform, with three spinons varices, and traversed 

 spirally by angular ridges. Canal closed 

 beak slightly reflexed. The body whirl has 

 six ridges or ribs, with an intermediate 

 lesser ridge. Shell imperfect, 



BUSICON CARICA, CON PYRULA CARICA, GOUJLD, 

 FULGUR CARICA, CON. 



This shell is pyriform, swollen, thick 

 and heavy. The outside is ornamented by 

 transverse striae, and also with compressed 

 tubercles, which stand upon the most prom- 

 inent part of the body whirl. The outer 

 lip is simple and sharp, pillar lip flexuous 

 and concave above. 

 The suture of this species is not channelled, neither has it 

 a turrited spire. It is one of the most common fossils of cer- 



