325 



It might readily be confounded for T. ulvcE by its fhape, 

 but its fiugle tooth is an invariable difcriminating mark, 

 independent of its colour, which is always gloffy white, 

 with ufually a tinge of purple, or rofe-colour at the tip. 



37. 

 T. with a fmooth, gloffy, fub-pellucid, white fiiell,PLiCATus^ 

 with fix rather flender fpires terminating in an obtufe 

 apex; the volutions kre nearly flat, defined only by a 

 fine, feparating line ; aperture fub-oval, contrafted a 

 little to an angle at the upper part ; outer lip even ; in- 

 ner lip thickened, and furnifhed with a fingle tooth-like 

 fold. Leuijth one eic^hth of an inch: breadth one third 

 its length. 



o 



Found in fand from Salcomb bay, but rare. 



This fpecies muft not be confounded for Turbo uniclen- 

 tatus, which is vaftly thicker and fironger, much broader 

 at the bafe in proportion to its length, more tumid in 

 the volutions, and larger in the aperture. It is more the 

 {happo? H{'lix polita, but is neither fofinelv pointer!, nor 

 is the aperture fo long, and is at once diftinguidiedfrom 

 that fhell by its tooth-like plication. 



*^ 38; 



T, with a fmooth, white fhell, rather flender in fhape, Pallidus. 

 with fix or feven fpires tapering to a moderately fine 

 apex ; the volutions not much raifed, but feparated by a 



weU 



