NORTH-CAROLINA GEOLOGICAL SURVEY. 



251 



FIG. 111. 



FIG. Ill A. 



spiral subequal lines, coarser and 

 more distant upon the back and ros- 

 trum ; aperture and rostrum rather 

 less than twice the length of the 

 spire ; outer lip ridged internally ; 

 pillar lip spirally ridged. Miocene of 

 Cape Fear River. 



FUSUS EXILIS. (Fig. Ill A.) 



Shell fusiform, spire 

 elongated, composed 

 of seven whirls, orna- 

 mented by revolving 

 striae and longitudi- 

 nal ribs; aperture one 

 half the length of the 

 shell. 



FUSU8 LAMELLOSUS. N. S. (Fig 112.) 



Shell small) fusiform ; spire composed of five 

 or six whirls, ornamented with ten strong scalari- 

 form ribs, each rib on the body is composed 

 of three sharp crenulated plates, the one in the 

 middle being the largest. 



FUSUS MONILIFORMIS. N. S. (Fig. 123.) 



Shell small ; whirls four, ornamented with raised beaded 

 spiral lines, between which there are lines nearly sim- 

 ple ; spire rather shorter than the aperture ; aperture oval ; 

 canal short ; the two upper whirls are smooth. Miocene of 

 Cape Fear. Eare. 



FASCIOLARIA. 



This genus is characterized by its elongated fusiform shape, 

 its round or angular whirls, open canal, and its folds upon 

 columellar lip, which is more or less tortuous. The folds upon 

 the lip are quite oblique, and two or three in number. 



FIG. 112. 



