327 



fuborbicular ; pillar lip a little reflexed, Columella fmooth. 

 Length half a line; breadth one half its length. 



Found in fand on the fouth coail of DevonJJiire, but 

 very rare. 



This at firfi; fight might be confounded with Turbo 

 fpiralis, but differs in the volutions being more rounded, 

 in the ribs beinjj coarfer, and in being- deftitute of the 

 tooth-like plication of the columella. 



^^ 37. 



Turbo trifafciatus. Lin. Trans, v. p.2.t.l.f. 13. 14 }( Adams) Unifasciatus, 

 Turt. Lin. iv. p. 500. 



T. with a fmooth, conic, white fhell, with one, and 

 rarely two bands of purplifh-brown on the body, one 

 on the fecond fpire, and fometimes alfo on the third : the 

 number of volutions are five : and it is obfervable when 

 it has two fafcice on the lower fpire, they occupy no 

 more fpace than when there is but one : the fpires are 

 very little raifed, and divided only by a fmall line : the 

 bands on the fuperior ones are clofe to the feparatin-r 

 line : aperture fub-oval ; exterior lip thin, and turning 

 outwards ; inner lip fpreading on the Columella; imper- 

 forated. 



The figure given by Mr. Adams is longer in propor- 

 tion than this fhell, in every other refpeft correfponds. 

 Length one eighth of an inch ; breadth more than one 



third its length. 



We 



