channelled ;. suture not impressed ; beak tapering, nearly straight. 

 F. irrasus, nob. Journ. Acad. Nat. Sciences, vol. 7, p. 145. 

 Locality. Claiborne, Alab. 



FUSUS BELLUS. Tab; 18, fig. 11. 



Fusiform, with revolving prominent very regular striae, and 

 longitudinal rather narrow regular costse ; spire elevated, pointed ; 

 beak short, slightly reflected ; submargin of the labrum thickened 

 and with short elevated lines within; margin waved. 



Locality. Claiborne, Alab. 



The regularity of the ribs and stria3 give this shell a beutiful 

 appearance which is heightened by the symmetry of its form. 



No. 4, first ed. p. 43. 



FUSUS THALLOIDES. Tab. 18, fig. 12. 



Narrow-fusiform, with rather distant spiral elevated striae ; 

 spire subulate, elongated, superior whorls with obscure longitudi- 

 nal undulations ; aperture small, elliptical ; labium reflected ; beak 

 straight, channel contracted. 



Locality. Claiborne, Alab. No. 4, first ed. p. 43. 



FUSUS SALEBROSUS. Tab. 18, fig. 13. 



Fusiform, elongated ; whorls concave above, and with obtuse 

 nodes inferiorly ; revolving lines fine and raised ; body whorl sud- 

 denly contracted at base ; apex obtuse ; beak slightly flexuous, 

 rather longer than the spire. 



F. salebrosus, nob. Journ. Acad. Nat. Sciences, vol. 7, p. 145. 



Locality. Claiborne, Alab. 



Allied to F. protextus, but may be distinguished by the undu- 

 lations on the body whorl. 



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