399 



they arc of exqnifite polini, and v.'hen the animal is 

 alive, frequently appear mottled with pink and pale- 

 ffreen : are alfo fomewhat arcuated, and verv feldom 

 found perfeftly ftraight. 



21. 

 H. with a flender, white fliell, with eight or nincDEcuss^TA. 

 fpires tapering to a fine point ; volutions very little Tab. 15. f. 7. 

 raifed, and the feparating line extremely fine ; thefe are 

 flrongly, and regularly Itriated in a longitudinal direfti- 

 on, croflfed by very minute flriae, that gives it a flight 

 decuflated appearance, when examihed by a lens : aper- 

 ture narrow, fuboval, contrafted at both dhds ; outer 

 lip fomewhat expanded, and a little thickened at the 

 Back ; inner lip a trifle replicated. Length three-tenths 

 of an inch ; breadth one tenth. 



In fiiape this fliell is fimilar to Helix polita, except in 

 the aperture, which Hands rather more oblique, the 

 outer lip more expanded in. the middle, and eontrafted 

 at the lower angle. 



We have been favoured with this new and elegant 

 fpecies more than once, by Mr. Bryer of Weyvwuth, 

 accompanied with an aflurance, that he found them at 

 different times, on the fliore, between that place and 

 Portland ifland. 



Turbo 



