109 



dual I)eing provided with this fluid, without regard to feji 

 or feafon. 



Buccinum brunneum. Don^ Br. Shells v. t. 179. f. 2. 

 Buccinum iiiinimum. Lin Tram. viii. p. 1 39. 



Minimum. 

 p. 247. 



Buccinum glaciale. Gmel. Si/sL p. 349!. GLACiAtr. 



Turt. Lin. iv. p. 404. 



C/icm. Conch, x, t. 162. f. 144'5.— 47. 



Don. Br. Shells, v. t. 154. 



Li/2. Trans, viii. p. i36. 

 Tritonium glaciale. Mull. ZooL Dan. Prodr. No. £942. 



In giving this fliell a place in a v.'ork exprefsly on Britijb 

 fubje6ls, we only follow the example of Mr. Donovan, who 

 acknowledges to have no other authority than that of Mr. 

 Agnew, gardener to the late Duchess Dowager of Port- 

 land, who is faid to have found it amongft the Orkney IJles, 

 and was in confequence admitted into the divifion of Britifo 

 fliells in the Portland mufeum. Whether any doubt of this 

 authority afterwards exifted with Doctor Solander is not 

 certain, but to this fpecies in that mufeum. No. ^Qq, we are 

 credibly informed was prefixed the following remark :— 

 *' Both from Gronland, and very rare." 



Shell rather thin, taper, and of a livid -brown colour, with 

 about nine fpirally Uriated volutions : the top of each fpire 



is 



