81 



8CALARIA. 



S. nasaula. PI. 16. fig. 3. 



Shell elongated, with eight ventricose, transversely grooved 

 whorls, and numerous delicate costae, about twenty of which 

 are on the body whorl: basal margin carinated. Length J 

 of an inch. 



Locality, Claiborne, Alab. 



Cab. Acad. N. S. 



SOLARIUM. 



1. S. alveatum. PI. 16. fig. 4. 



Shell discoidal, smooth, with two revolving striae near the 

 sutures ; periphery of the body whorl acutely carinated ; be- 

 neath obscurely striated, with an elevated carina and groove 

 near the periphery : umbilicus with conical denticulations, 

 Diameter of an inch. 



Locality, Claiborne, Alab. 



2. S. antrosum. PI. 18. fig. 1. 



Shell convex, subconical, with numerous crenulated lines ; 

 periphery of the body whorl acute ; beneath with about eight 

 grooves, in each of which is a slightly elevated line : umbi- 

 licus large, crenulated upon the edge of the whorls, and with 

 a distinct elevated line on the middle of each whorl internally : 

 aperture angular, subquadrate. Diameter nearly an'inch. 



Locality, Claiborne, Alab. 



Cab. Acad. N. S. 



ROSTELLARIA. 



JR. velata. PI. 16. fig. 6. 



Shell subfusiform, longitudinally ribbed and transversely 

 striated, but often coated more or less with a smooth, polish- 

 ed calcareous deposit, bounded by a deep groove running up- 

 on the spire and returning towards the base : outer lip not 

 expanded; margin thick and reflected. Length 1 inches. 



Locality, Claiborne, Alab. 



Cab. Acad. N. S. - 



[63] 



