OFFICERS AND COUNCIL, 1883-84. 
PRESIDENT. 
ARTHUR CAYLEY, Esq., M.A., LL.D., F.R.S.. V.P.R.A.S., Sadlerian Professor of Mathematics in the 
University of Cambridge. 
VICE-PRESIDENTS. 
The-Right Hon. the EArt or Derby, M.A., LL.D., F.R.S., F.R.G.S. 
The Right Hon. the EARL OF CRAWFORD AND BALCARRES, LL.D., F.R.S., F.R.A.S. 
The Right Hon. the EARL or LATHOM. 
Principal J. W. Dawson, C.M.G., M.A., LL.D., F.R.S., F.G.S. 
J. G. GREENSVOOD, Esq., LL.D., Vice-Chancellor of the Victoria University. 
Professor H. E. Roscox, Ph.D., LL.D., F.R.S., F.C.S. 
PRESIDENT ELECT. 
' The Right Hon. LORD RAYLEIGH, M.A., D.C.L., F.R.S., F.R.A.S., F.R.G.S,, Professor of Experimenta 
Physics in the University of Cambridge. 
VICE-PRESIDENTS ELECT. 
His Excellency the GoVERNOR-GENERALof CANADA. | The Hon. Dr. CHAUVEAU. 
The Right Hon. Sir JoHN ALEXANDER MACDONALD, | Principal J. W. Dawson, C.M.G., M.A., LL.D., 
K.C.B., D.C.L. F.R.S., F.G.S. 
The Right Hon. Sir Lyon Puayrarr, K.C.B., M.P., | Professor EDWARD FRANKLAND, M.D., D.C.L., Ph.D., 
Ph.D., LL.D., F.R.S.L. & E., F.C.S. F.RB.S., F.C.S. 
The Hon. Sir ALEXANDER TILLOCH GALT, G.C.M.G. | W. H. Hinesron, Esq., M.D. 
The Hon. Sir CHARLES TupPER, K.C.M.G. THoMAS STERRY Hunt, Esq., M.A., D.Sc., LL.D., 
Sir NarcissE Dorion, C.M.G. E.R.S. 
LOCAL SECRETARIES FOR THE MEETING AT MONTREAL- 
S. E. Dawson, Esq. S. Rrvargp, Esq. THOs. WHITE, Esq., M.P. 
R. A. RAMSAY, Esq. S. C. STEVENSON, Esq. 
LOCAL TREASURER FOR THE MEETING AT MONTREAL. 
F. WoLFERSTAN THOMAS, Esq. 
ORDINARY MEMBERS OF THE COUNCIL. 
ADAMs, Professor W. G., F.R.S. HAWKSHAW, J. CLARKE, Esq., F.G.S. 
BATEMAN, J. F. LA TROBE, Esq., F.R.S. HeEnrict, Professor O., F.R.S. 
BRAMWELL, Sir F. J., F.R.S. Hueauss, Dr. W., F.R.S. 
DARWIN, F., Esq., F.R.S. HuaGueEs, Professor T. McK., F.G.S. 
Dawk1ns, Professor W. Boyp, F.R.S. JEFFREYS, Dr. J. GWYN, F.R.S. 
Dr LA Rove, Dr. WARREN, F.R.S. PENGELLY, W., Esq., F.R.S. 
DeEwak, Professor J., F.R.S. PERKIN, W. H., Esq., F.R.S. 
Evans, Captain Sir F. J., K.C.B., F.R.S. PRESTWICH, Professor, F.R.S. 
FLOWER, Professor W. H., F.R.S. RAYLEIGH, Lord, F.R.S. 
GLADSTONE, Dr. J. H., F.R.S. SANDERSON, Prof. J. S. BURDON, F.R.S. 
GLAIsHER, J. W. L., Esq., F.R.S. ScLATER-BooTH, The Right Hon. G., F.R.8. 
GODWIN-AUSTEN, Lieut.-Col. H. H., F.R.S. Sonrsy, Dr. H. C., F.R.S. 
HASTINGS, G. W., Esq., M.P. 
GENERAL SECRETARIES. 
Capt. Doucias GATon, C.B., D.C.L., F-R.S., F.G.S., 12 Chester Street, Grosvenor Place, London, S.W. 
A. G. VERNON Harcourt, Esq., M.A., F.R.S., F.C.S., Cowley Grange, Oxford. 
SECRETARY. 
Professor T. G. BoNNEY, D.Sc., F.R.S., F.S.A., Pres.G.S., 22 Albemarle Street, London, W. 
GENERAL TREASURER. 
Professor A. W. WILLIAMSON, Ph.D., LL.D., F.R.S., F.C.S., University College, London, W.C. 
EX-OFFICIO MEMBERS OF THE COUNCIL. 
The Trustees, the President and President Elect, the Presidents of former years, the Vice-Presidents and 
Vice-Presidents Elect, the General and Assistant General Secretaries for the present and former years, 
the Secretary, the General Treasurers for the present and former years, and the Local Treasurer and 
Secretaries for the ensuing Meeting. 
TRUSTEES (PERMANENT). 
Sir JoHN LupBsBocK, Bart., M.P., D.C.L., LL.D., F.R.S., Pres. L.S. 
Professor the Right Hon. Lord RAYLEIGH, M.A., D.C.L., F.R.S. 
The Right Hon. Sir Lyon Puayrarr, K.C.B., M.P., Ph.D., LL.D., F.R.S. 
PRESIDENTS OF FORMER YEARS. 
The Duke of Devonshire, K.G. Sir Joseph D. Hooker, K.C.S.I. Sir John Hawkshaw, F.R.S. 
Sir G. B. Airy, K.C.B., F.R.S. Prof. Stokes, D.C.L., Sec. R.S. Dr. T. Andrews, F.R.S. 
‘The Dukeof Argyll, K.G., K.T. Prof. Huxley, LL.D., Pres. R.S. | Dr. Allen Thomson, F.R.S. 
Sir Richard Owen, K.C.B., Ba S. | Prof. Sir Wm. Thomson, D.C.L. Prof. Allman, M.D., F.R.S. 
Sir W. G. Armstrong, C.B., L. ‘D.| Dr. Carpenter, C.B., F.R.S. Sir A. C. Ramsay, LL.D., F.R.S. 
Sir William R. Grove, F.R.S. Prof. Williamson, Ph.D., F.R.S. Sir John Lubbock, Bart., F.R.S, 
The Duke of Buccleuch, K.G. Prof. Tyndall, D.C.L., F.R.S. 
GENERAL OFFICERS OF FORMER YEARS. 
F, Galton, Esq., F.R.S, Dr. Michael Foster, Sec. R.S. P. L. Sclater, Ph.D., F.R.S. 
Dr. T, A. Hirst, F.R.S, George Griffith, Esq., M.A., F.C.S. 
AUDITORS. 
Professor G. C. Foster, F.R.S. | George Griffith, Esq., M.A., F.C.S. | John Evans, Esq., D.C.L., F.R.S. 
