PROCEEDINGS 
OF THE 
EOYAL SOCIETY OF EDINBURGH. 
VOL. V. 1863-64. No. 62. 
Eighty-First Session. 
Monday, 23c? November 1863. 
Dr Christison, Y.P., in the Chair. 
The following Council were elected 
President. 
His Grace The DUKE of AEGYLL, K.T. 
Vice-Presidents. 
Sir David Brewster, K.H. 
Dr Christison. 
Professor Kelland. 
Hon. Lord Neaves. 
Principal Forbes. 
Professor Innes. 
General Secretary,— Di J ohn Hutton Balfour. 
Secretaries to the Ordinary Meetings. 
Dr Lyon Playfair, C.B. 
Dr George James Allman. 
Treasurer, — David Smith, Esq. 
Curator of Library and Museum,' — Dr Douglas Maclagan. 
Councillors. 
E. W. Dallas, Esq. 
Eev. L. S. Orde. 
Professor Tait. 
A. Campbell Swinton, Esq. 
Dr William Robertson. 
Dr E. Ronalds. 
T. C. Archer, Esq. 
W. F. Skene, Esq. 
A. Keith Johnston, Esq. 
Rev. Dr Stevenson. 
Dr Stevenson Macadam. 
Hon. Lord Jerviswoode, 
vol. V, R 
i 
