PROCEEDINGS 
OF THE 
ROYAL SOCIETY OF EDINBURGH. 
vol. vii. 1869-70. No. 80. 
Eighty-Seventh Session. 
Monday, 22d November 1869. 
Professor KELLAND, Vice-President, in the Chair. 
The following Council were elected :■ — 
President. 
Professor CHRISTISON, M.D. 
Honorary Vice-President. 
His Grace the DUKE of ARGYLL. 
Vice-Presidents. 
Dr Lyon Playfair, C.B. 
David Milne Home, Esq. 
Professor Kelland. 
The Hon. Lord Neaves. 
Professor Sir William Thomson. 
William Forbes Skene, Esq., LL.D. 
General Secretary — Dr John Hutton Balfour. 
Secretaries to the Ordinary Meetings. 
Professor Tait. 
Professor Turner. 
Treasurer — David Smith, Esq. 
Curator of Library and Museum — Dr Maclagan. 
Councillors. 
George Robertson, Esq., C.E. 
Professor Piazzi Smyth. 
Patrick Dudgeon, Esq.of Cargen. 
Dr Hugh Cleghorn. 
Dr James M‘Bain, Surgeon, R.N. 
Dr William Robertson. 
Thomas Stevenson, Esq., C.E. 
Dr Handyside. 
Archibald Geikie, Esq. 
Professor A. Crum Brown. 
Principal Sir A. Grant, Bart. 
Rev. L>r W. Lindsay Alexander. 
vol. vii, 
