212 PROCEEDINGS OP THE ACADEMY OP [18T9. 



SOLARIUM, Lamarck. 

 Solarium striato-granulatum, nob. PI. xiii., fig. 3. 



Shell conical, depressed ; whorls five, slightly convex, and 

 ornamented with four principal revolving lines of granules ; mar- 

 gin acute, crenulated, and carinated only on the inferior surface ; 

 base with three prominent crenulated lines surrounding the um- 

 bilicus, and with about three or four almost simple lines. 



Diameter f inch. 



Claiborne, Ala. 



NATICA, (Adans.) Lam. 

 Natica bi-sulcata, nob. PI. xiii., fig. 4. 



Shell subglobose ; spire but slightly elevated ; whorls four, 

 smooth, the bod3 T -whorl with radiating sulci on the summit ; 

 mouth semi-lunate, about f the length of shell ; columella slightly 

 thickened, the callus reflected above the middle ; umbilicus broad, 

 doubly grooved, the grooves transversely striated. 



Length .3 inch. 



Claiborne, Ala. 



This species differs mainly from the N. magno-umbilicata of 

 Lea in having the umbilicus doubly grooved. 



ODOSTOMIA, Fleming. 

 Odostomia laevigata, nob. PI. xiii., fig. 5. 



Only a fragment of this species has come to my observation, 

 but its characters are sufficiently defined to distinguish it from all 

 the other species of Odostomia existing in our tertiary formations. 

 It mainly differs from the Actseon (Odostomia) melanellus of Lea 

 in the subangulate form of the body-whorl, and in the columellar 

 plait, which in our species is transverse, and not oblique. 



Length ? . 



Claiborne, Ala. 



TORNATELLA, Lamarck. 

 Tornatella bicincta, nob. PI. xiii., fig. 6. 



Shell ovate, spire elevated ; whorls about six, the body-whorl 

 with numerous revolving lines closely beset with punctures, and 

 two broad smooth bands on the superior portion ; two or three of 



