10 



MUREX sexdeiitatus. 



TAB. CCCCXl.—^V. 3. 



Spec. Char. Ovate acuminated, costated, lon- 

 gitudinally striated, transversely carinated; 

 whorls convex ; aperture elongated with 

 5 or a leeth within its onter lip. 



I'CHf resembling the last, but the whole surface is 

 marked with elevated sharp striae, that are more crowded, 

 but hai'dly more prominent, upon the swelled sutures ; 

 the thickened outer lip has about 6 obtuse teeth within 

 it, in place of the many lamellar ones of the M. defos- 

 sus ; the last whorl is also more conical, and the aper- 

 ture squareish. 



Broug:ht from Colwell Bay, on the Isle of Wight, 

 by Professor Sedgwick, who pointed it out as distinct 

 from several other shells with which it had been con- 

 founded. 



