144 PL EIOCENE FOSSILS. 



The alternately prominent and depressed spiral lines, excavated sutures, and turrited 

 spire readily distinguish this species. 



Plate XXVIII. Fig. 17, Natural size. 



Locality. Waccamaw ; Horry. Museum, College of Charleston. 



CANCELLARIA VENUSTA. — {New Species.) 

 Plate XXVIII. Fig. 18. 



C. testa sub-fusiformi, turrita, regulariter cancellata; anfractibus transverse sulcatis, 



longitudinalibus obliquis costis; labio in basalim anfractum reflexo, lazvi. margine 



distincto, elevato; columella duabus prominentibus sub-obliquis plicis; labri margine 



dinticulato, inlus decern transversis, equidistantibus, rectis, longis striis, instructo; apertura 

 valde auriculata, emarginata; sutur a profunda. 



Description. Shell sub-fusiform, turrited, regularly cancellated; whorls with longi- 

 tudinal, oblique ribs, sulcated transversely; inner lip reflexed on body whorl; smooth and 

 with a distinct raised edge, extending from the base of the pillar and uniting above with 

 the labrum in an arch; columellar with two prominent folds slightly oblique; margin of 

 outer lip scolloped, transversely ridged within with ten ridges ; ridges equi-distant, straight, 

 long ; aperture profoundly ear-shaped, emarginate ; suture profound. 



This is the most graceful of all its congeners, and cannot be confounded with any other. 



Plate XXVIII. Fig. 18, Natural size. 



Locality. Waccamaw ; Horry. Museum, College of Charleston. 



