( 175 ) 
A]it. 'X.'XNl.^Froceedings of the Royal Society of Edinburgh^ 
(Continued from Vol. XI. p. 209.) 
Nov. 15. 1824— A PAPEii Was read On the Determination 
of the Idea (f Species in Mineralogy, according to the prin- 
ciples of Professor Mobs, by W. Haidinger, Esq. 
Nov. 22.— At a General Meeting of the Society, the follow- 
ing gentlemen were elected Office-bearers and Counsellors for 
the ensuing year : 
Sir Walter Scott, Bart. Fresident. 
V ice-Presidents. 
Right Hon. Lord Chief-Baron, Lord Glenlee, 
Dr T. C. Hope, Professor Russell. 
Dr Brewster, General Secretary. 
Thomas Allan, Esq. Treasurer. 
James Skene, Esq. Curator of Museum. 
PHYSICAL CLASS. 
Alexander Irving, Esq. President. John Robison, Esq. Secretary.^ 
Counsellors from the Physical Class. 
Rev. Dr Macknight. James Jardine, Esq. 
Robert Stevenson, Esq. Sir William Forbes, Bart, 
Sir William Arbuthnot, Bart. Dr Home. 
LITERARY CLASS. 
Henry Mackenzie, Esq. President. P, F. Tytler, Esq. Secretary^ 
Counsellors from the Literary Class. 
Lord Meadowbank. Rev. Dr Lee. 
Professor Wilson. Lord Advocate. 
Sir William Hamilton, Bart. Henry Jardine, Esq. 
Dec. 6. — There was read a notice respecting two ancient 
Graves or Tombs discovered at North Charlton, parish of El- 
lingham, Northumberland, in January 1823, by John Cay, 
Esq. 
Specimens of ancient warlike instruments were exhibited. 
At the same meeting, Dr Brewster read a paper On the Vi-- 
sibn (f Impressions on the Retina, in reference to certain sup- 
posed discoveries respecting vision announced by Mr C. Bell. 
