PROCEEDINGS 
OF THE 
ROYAL SOCIETY OF EDINBURGH. 
yol. vii. 1871-72. No. 84. 
Eighty-Ninth Session. 
Monday , 21th, November 1871. 
Sir ROBERT CHRISTISON, Bart., President, in the Chair. 
The following Council were elected 
President. 
Sir ROBERT CHRISTISON, Bart., M.D., D.C.L. 
Honorary Vice-President. 
His Grace the DUKE of ARGYLL. 
Professor Kelland. 
The Hon. Lord Neaves. 
Professor Sir William Thomson. 
Vice-Presidents. 
Principal Sir Alex. Grant, Bart. 
Sir W. STiRLiNG-MAXWELL,Bart. 
Professor W. 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. 
Councillors. 
Professor Geikie. 
Professor A. Crum Brown. 
Rev. W. Lindsay Alexander. 
Professor Fleeming Jenkin. 
Prof. Wyville Thomson. 
James Donaldson, Esq. 
vol. vn. 
Dr Thomas R. Fraser. 
Dr Arthur Gamgee. 
Alexander Buchan, Esq. 
Prof. A. Dickson. 
D. Milne Home, Esq. 
James Leslie, Esq., C.E. 
4 B 
Art 
