585 



Portlandicum. As, however, Mr. Pennant was the 

 original author of the name given to the fliell in queftion, 

 and whom Dofcior Pultenev quotes, and not the cylin- 

 drica of Gmelin, it could be wifiied he had adopted the 

 name of the former, and not of the latter. 



* 



Lister probably was the firfl: who figured B. cylin- 

 dracea, Tab. 714. fig. 70. and has marked it with au A. 

 denoting it as Englifh ; at the fame time adding (Barn- 

 Jlable,) the place from whence he obtained it. With 

 two figures of this fliell is alfo placed Voliita pallida, 

 without any number, or mark to denote diftindion; and 

 over them arethefe words, " exigua, alba, vere cvlindra- 

 " cea : " this circumftance has, amongfh other things, 

 ferved to confound thefe fliells. 



BUCCINUM. 



Buccinum undatum. Don. Br. Shells, iii. t. 10-L Undatum. 



p. 237. 



We have been lately favoured with a variety of this Ambiguum, 

 fhell from Mr. Racket, much thinner, and with a P- '^'^-- 

 greater number of ribs, (fifteen inRead of eleven) and 

 thofe regularly and finely ftriated tranfverfely, without 

 rifing into tubercles. 



Ffff MUREX: 



