169 



Two only of this new and rare fpecles have been taken at 

 Dunbar by Mr Laskey, and both were deftitute of the ani- 

 mal ; there cannot however be a doubt but that it is one of 

 thofe (hells which is naturally concealed, as in Bulla HaliO" 

 toidea^ and a few others. 



Shell glofly, white, veined like ivory in a longitudinal Voluta. 

 diredlion, and furnifhed with eight or nine reverfed volu- Heteroclita, 

 tions flightly tapering to an obtufe point ; the lower whirl 

 occupies two thirds of the fliell : the aperture is narrow, not 

 quite half the length of the fnell ; and the columella pofleiTes 

 one plication. Length a quarter of an inch ; breadth one 

 third of its length. 



This elegant little Voluta is one of the very few marine 

 heterocliticai fpecies found on our fhores. It was taken with 

 the laft defcribed fliell, and is extremely rare. 



We have lately learned that this very local fpecies has Stroheus 

 been taken in the weftern Highlands of Scotland. When Costatus. 

 Mr. Laskey favoured us with a fliell from J^uns ifland-for 

 examination, which he confidered as a nondefcript, we per- 

 ceived a confiderable degree of affinity between it and 

 Strombus Cojlatus ; but as we were informed two fpecimens 

 had been taken in the fame place, and perceiving that the 

 one from which our defcription w?s taken was deftitute of 

 the eflential chara(5ler oi cojlatus, the fpiraly?/7>, we readily 



X fubfcribed 



