291 



fame time, fo common a fliell as it is defcribed to be, 

 can hardly be fuppofed to efcape the notice of concholo- 

 gifts of the prefent day. 



We mufl, therefore, either conclude Da Costa ^\'as 

 deceived with refpeft to its being common : that it is only 

 a variety of one of the more plentiful fpccies ; or fufpe6l 

 that the fhell in queflion is foreign, as is the figure quo- 

 ted in Lister, tab. 633. 



END OF PART I. 



Holt;*, Friaur, »«mf»r- 



