NASSA ACUTA. 



DESCRIPTION. 



Shell conic-acute, whitish, cancellated so as to appear 

 granulated ; granules prominent, somewhat transverse, the 

 longitudinal grooves a little more profound than the spiral 

 ones which are about six in number ; spire longer than the 

 body whirl, slender towards the tip, acute ; suture impress- 

 ed, but not profoundly ; beak distinguished by a depression 

 from the body w hirl, and slightly reflected ; lahrum thick- 

 ened within and without and with elevated lines within, 

 which do not attain to the edge. 



SYNONYM. 



N. ACUTA, S. Journ. dead, Nat. Sc. vol. 2, p. 234. 



OBSERVATIONS. 



This species occurs not unfrequently on our southern 

 coasts. 



REFERENCE TO THE PLATE. 



Fig. 3, Front view. 

 PI. 57. 



