Pet COUN CIL 
OF 
THE ROYAL SOCIETY OF EDINBURGH, 
NOVEMBER 1883. 
THe Richt Hon. Lorpv MONCREIFF OF TULLIBOLE, 
Lorp JusTIcE-CLERK, LL.D., PResipEnt. 
HONORARY VICE-PRESIDENTS, HAVING FILLED THE OFFICE-OF PRESIDENT. 
His Grace tHE DUKE or ARGYLL, K.T., D.C.L. Oxon., F.R.S. 
Sm WILLIAM THOMSON, LL.D., ER. S., Foreign eects of the Institute of France, 
Regius Professor of N: atural Philosophy i in the University of Glasgow. 
VICE-PRESIDENTS. 
H. C. FLEEMING JENKIN, F.R.S., Mem. Inst. Civ. Eng., Professor of Engineering 
in the University of Edinburgh. 
Toe Rev. W. LINDSAY ALEXANDER, M.A., D.D., Principal of the Congregational 
Theological Hall, Edinburgh. 
THOMAS STEVENSON, Member of the Institute of Civil Engineers. 
ROBERT GRAY, Secretary of the Royal Physical Society of Edinburgh, Member 
of the British Ornithologists’ Union, Corresponding Member of the “Academy of 
Natural Sciences of Philadelphia. 
ALEXANDER FORBES IRVINE, of Drum, Sheriff of Argyll. 
EDWARD SANG, C.E., LL.D., Secretary to the Royal Scottish Society of Arts, 
Honorary Member of the Royal Academy of Turin. 
GENERAL SECRETARY. 
P. GUTHRIE TAIT, M.A., Professor of Natural Philosophy in the University of Edinburgh. 
SECRETARIES TO ORDINARY MEETINGS. 
WILLIAM TURNER, M.B., F.R.C.S.E., F.R.S., Professor of Anatomy in the University 
of Edinburgh. 
ALEXANDER CRUM BROWN, M.D., D.Sc, F.RCP.E, F.RS., Professor of 
Chemistry in the University of Edinburgh. 
TREASURER. 
ADAM GILLIES SMITH, C.A. 
CURATOR 
OF LIBRARY AND MUSEUM. 
ALEXANDER BUCHAN, M.A., Secretary to the Scottish Meteorological Society. 
COUNCILLORS. 
Tue Rev. Dr DUNS, Professor of Natural Science 
in the New College, Edinburgh, 
RAMSAY H. TRAQUAIR, M.D.,F.R.S.,F.G.S., 
Keeper of the Natural History Collections in 
the Museum of Science and Art, Edinburgh. 
JOHN MURRAY, Director of the Challenger 
Expedition Commission. 
WILLIAM FERGUSON of Kinmundy, F.L.S., 
¥.G.8., Deputy-Lieutenant of Aberdeenshire, 
Vice-President of the Geological Society of 
Edinburgh, 
JAMES COSSAR EWART, M.D., F.R.C.S.E., 
Professor of Natural History in the Uni- 
versity of Edinburgh. 
JAMES GEIKIE, F.R.S., F.G.S., Professor of 
Geology in the University of Idin- 
burgh. 
Tue Rev. WILLIAM ROBERTSON SMITH, 
M.A., LL.D., Lord Almoner’s Professor of 
Arabic in the University of Cambridge. 
STAIR A, AGNEW, M.A., Advocate, Keeper 
of the Records of Scotland and Registrar- 
General. 
DOUGLAS MACLAGAN, M.D., F.R.C.S.E., 
Professor of Medical Jurisprudence in the 
University of Edinburgh. 
THE Hon. Lorp MACLAREN, one of the Sena- 
tors of the College of Justice. 
Tue Rey. Proressorn FLINT, DD., Correspond- 
ing Member of the Institute of France. 
Prorsssor JT. R. FRASER, M.D., Dean of the 
Medical Faculty in the University of Edin- 
burgh. 
