HISTORY OF THE SOCIETY. 535 



Arctic Regions, and describing a New Species of 

 Potentilla, brought home by Mr Jameson, surgeon ; 

 and the other by Mr David Don, describing seve- 

 ral new Plants from the Nepaul Mountains. 



Professor Jameson read an account of the Over- 

 land Arctic Expedition : and he, at the same time, 

 laid before the Society, a Map of the Country, on 

 the west and north sides of Hudson's Bay, drawn 

 by a Native Esquimaux. He then read the first 

 part of a Voyage to Baffin's Bay, by Mr William 

 Jameson. 



1820. 

 Dec. 2. 



Professor 

 Jameson's 

 Account of 

 the Arctic 

 Overland 

 Expedition ; 

 and Mr W. 

 Jameson's 

 Voyage to 

 Baffin's Bayo 



The Secretary read the concluding part of Mr W. 

 Jameson's narrative of his Voyage into Baffin's Bay. 

 Mr Adie then laid before the Society, his Improved 

 Instrument, or Beam, for facilitating the determin- 

 ing of Specific Gravities of Minerals, &c. the prin- 

 cipal advantages of which are, that no weights or 

 calculations are necessary ; that the whole operations 

 may be performed in a few minutes ; and that the 

 instrument is easily portable, and is not expensive. 

 Mr Deuchar, Lecturer on Chemistry, communicated 

 to the Society, an account of Colonel Yule's im- 

 proved Apparatus for Discharging of Ordnance ; and 

 mentioned some results that have occurred as to the i 

 nature and properties of Flame. 



Dec. 16, 

 Conclusion 

 of Mr Jame- 

 son's Voyage 

 to Baffin's 

 Bay. 



Description 

 of Mr Adie's 

 Instrument 

 for deter- 

 mining the 

 Specific Gra- 

 vity of Mi- 

 nerals; and 

 account cf 

 Colonel 

 Yule's Im- 

 proved Mode 

 for Dischar- 

 ging Ord- 

 nance. 



The Secretary read two notices from Dr Colla 



1821. 

 Jan. 13. 



tfdll. 1«J 



don ; one relative to Cinchonin and Quimn, or the Dr Ra- 

 don's Notice 



