PROCEEDINGS 
OF THE 
ROYAL SOCIETY OF EDINBURGH. 
you. vii. 1871-72. No. 84. 
Eighty-Ninth Session. 
Monday, 27th November 1871. 
Sir ROBERT CHEISTISON, Bart., President, in the Chair. 
The following Council were elected :— 
President. 
Sir ROBERT CHRISTISON, Bart., M.D., D.C.L. 
Honor ary Vice-President. 
His Grace the DUKE of ARGYLL. 
Vice-Presidents. 
Professor Kelland. 
The Hon. Lord Neaves. 
Professor Sir William Thomson. 
Principal Sir Alex. Grant, Bart. 
Sir W. STiRLiNG-MAXWELL,Bart. 
Professor Wo J. Macquorn Rankine. 
General Secretary —Dr John Hutton Balfour. 
Secretaries to Ordinary Meetings. 
Professor Tait. 
Professor Turner. 
Treasurer —David Smith, Esq. 
Curator of Library and Museum — Dr Maclagan. 
Professor Geikie. 
Professor A. Crum Brown. 
Rev. W. Lindsay Alexander. 
Professor Fleeming Jenkin. 
Prof. Wyville Thomson. 
James Donaldson, Esq. 
vol. vn. 
Councillors. 
I Dr Thomas R. Fraser. 
Dr Arthur Gamgee. 
Alexander Buchan, Esq. 
Prof. A. Dickson. 
D. Milne Home, Esq. 
James Leslie, Esq., C.E. 
4 B 
