252 
Proceedings of the Royal Society of Edinburgh. 
THE COUNCIL OF THE SOCIETY. 
October 1918. 
President. 
JOHN HORNE, LL.D., F.R.S., F.G.S. 
Vice-Presidents. 
Professor D’ARCY THOMPSON, C.B., D.Litt. F.R.S., Professor of Natural History, University, 
St Andrews. 
Professor JAMES WALKER, D.Sc., Ph.D., LL.D., F.R.S., Professor of Chemistry, University, 
Edinburgh. 
Professor GEORGE A. GIBSON, M.A., LL.D., Professor of Mathematics, University, Glasgow. 
ROBERT KIDSTON, LL.D., F.R.S., F.G.S. 
Professor D. NOEL PATON, M.D., B.Sc., F.R.C.P.E., F.R.S., Professor of Physiology, 
University, Glasgow. 
Professor A. ROBINSON, M.D., M.R.C.S., Professor of Anatomy, University, Edinburgh. 
* \ 
General Secretary. 
CARGILL G. KNOTT, D.Sc., LL.D. 
Secretaries to Ordinary Meetings. 
Professor E. T. WHITTAKER, Sc.D., F.R.S., Professor of Mathematics, University, Edinburgh. 
J. H. ASHWORTH. D.Sc., F.R.S., Lecturer on Invertebrate Zoology, University, Edinburgh. 
Treasurer. 
JAMES CURRIE, M. A. 
Curator of Library and Museum. 
A. CRICHTON MITCHELL, D.Sc., Hon. D.Sc. (Geneva). 
Sir GEORGE A. BERRY, M.B., 
F.R.C.S. E. 
JOHN S. FLETT, M.A., D.Sc., LL.D., F.R.S. 
Professor MAGNUS MACLEAN, M.A., 
D.Sc., M.Inst.C.E. 
Professor DAVID WATERSTON, M.A., 
M.D., F.R.C.S.E. 
Professor F. 0. BOWER, M.A., D.Sc., 
F.R.S., F.L.S. 
Professor P. T. HERRING, M.D., F.R.C.P.E. 
Professor T. J. JEHU, M.A., M.D., 
F.G.S. 
ALEXANDER LAUDER, D.Sc.. 
The Hon. LORD GUTHRIE, LL.D. 
Sir E. SHARPEY SCHAFER, M.D., LL.D., 
D.Sc., F.R.S. 
Professor J. LORRAIN SMITH, M.A., M.D., 
F.R.S. 
W. A. TAIT, D.Sc., M.Inst.C.E. 
Councillors. 
LL.D., 
