PRESIDENTS.

VICE-PRESIDENTS.

The RIGHT HON. LORD RAYLEIGH, M.A.,
LL.D., F.R.S., F.R.A.S., F.R.G.S., Professor of
mental Physics in the University of Cambridge.
MONTREAL, August 27, 1884.

His Excellency the Governor-General of Canada, G.C.M.G., LL.D....
The Right Hon. Sir John Alexander Macdonald, K.C.B., D.C.L., LL.D..
The Right Hon. Sir Lyon Playfair, K.C.B., M.P., Ph.D., LL.D., F.R.S.L.
& E., F.C.S..

.....

D.C.L., The Hon. Sir Alexander Tilloch Galt, G.C.M.G.
Experi-/The Hon. Sir Charles Tupper, K.C.M.G..
Chief Justice Sir A. A. Dorion, C.M.G.
Principal Sir William Dawson, C.M.G., M.A., LL.D., F.R.S., F.G.S.....
The Hon. Dr. Chauveau..

Professor Edward Frankland, M.D., D.C.L., Ph.D., LL.D., F.R.S., F.C.S.
W. H. Hingston, Esq., M.D., D.C.L., L.R.C.S.E.

Thomas Sterry Hunt, Esq., M.A., D.Sc., LL.D., F.R.S.

His Grace the Duke of Richmond and Gordon, K.G., D.C.L., Chancellor' of the University of Aberdeen

The Right Hon. the Earl of Aberdeen, LL.D., Lord-Lieutenant of Aberdeenshire

...

LOCAL SECRETARIES.

S. E. Dawson, Esq.
R. A. Ramsay, Esq.
S. Rivard, Esq.

S. C. Stevenson, Esq.
Thos. White, Esq., M.P.

SIR FREDERICK AUGUSTUS ABEL, C.B., D.C.L., D.Sc., The Right Rev. the Lord Bishop of Ripon, D.D..
FR.S., P.P.C.S., Hon. M.Inst.C.E.
LEEDS, September 3, 1890.

The Right Hon. Sir Lyon Playfair, K.C.B., Ph.D., LL.D., M.P., F.R.S.,

F.C.S.

WILLIAM HUGGINS, Esq., D.C.L., LL.D., Ph.D., F.R.S., The Right Hon. Lord Tredegar F.R.A.S., Hon, F.R.S.E.

LOCAL SECRETARIES.

R. W. Atkinson, Esq., B.Sc., F.C.S., F.I.C. Professor H. W. Lloyd Tanner, M.A., F.R.A.S.

Presidents and Secretaries of the Sections of the Association.

Date and Place

Presidents

Secretaries

MATHEMATICAL AND PHYSICAL SCIENCES.

COMMITTEE OF SCIENCES, I.-MATHEMATICS AND GENERAL PHYSICS. 1832. Oxford......| Davies Gilbert, D.C.L., F.R.S. | Rev. H. Coddington. 1833. Cambridge Sir D. Brewster, F.R.S.

......

Prof. Forbes.

1834. Edinburgh Rev. W. Whewell, F.R.S. Prof. Forbes, Prof. Lloyd.

SECTION A.-MATHEMATICS AND PHYSICS.

1835. Dublin......| Rev. Dr. Robinson

1836. Bristol...... Rev. William Whewell, F.R.S. 1837. Liverpool... Sir D. Brewster, F.R.S.

1838. Newcastle Sir J. F. W. Herschel, Bart., F.R.S.

1839. Birmingham Rev. Prof. Whewell, F.R.S.... 1840. Glasgow... Prof. Forbes, F.R.S........... 1841. Plymouth Rev. Prof. Lloyd, F.R.S....... 1842. Manchester Very Rev. G. Peacock, D.D.,

F.R.S.

1843. Cork..... Prof. M'Culloch, M.R.I.A. 1844. York......

...

...

Prof. Sir W. R. Hamilton, Prof.
Wheatstone.

Prof. Forbes, W. S. Harris, F. W.
Jerrard.

W. S. Harris, Rev. Prof. Powell,
Prof. Stevelly.

Rev. Prof. Chevallier, Major Sabine,
Prof. Stevelly.

J. D. Chance, W. Snow Harris, Prof.
Stevelly.

Rev. Dr. Forbes, Prof. Stevelly,
Arch. Smith.

Prof. Stevelly.

Prof. M'Culloch, Prof. Stevelly, Rev.
W. Scoresby.
J. Nott, Prof. Stevelly.

The Earl of Rosse, F.R.S. Rev. Wm. Hey, Prof. Stevelly. 1845. Cambridge The Very Rev. the Dean of Rev. H. Goodwin, Prof. Stevelly,

Ely.

G. G. Stokes.

1846. Southamp- Sir John F. W. Herschel, John Drew, Dr. Stevelly, G. G. Bart., F.R.S.

ton.

Stokes.

1847. Oxford...... Rev. Prof. Powell, M.A., Rev. H. Price, Prof. Stevelly, G. G. F.R.S. Stokes.

1848. Swansea ... Lord Wrottesley, F.R.S. Dr. Stevelly, G. G. Stokes. 1849. Birmingham William Hopkins, F.R.S....... Prof. Stevelly, G. G. Stokes, W.

1850. Edinburgh Prof. J. D. Forbes, F.R.S.,

Ridout Wills.

W. J.Macquorn Rankine, Prof. Smyth,
Prof. Stevelly, Prof. G. G. Stokes.
S. Jackson, W. J. Macquorn Rankine,
Prof. Stevelly, Prof. G. G. Stokes.
Prof. Dixon, W. J. Macquorn Ran-
kine, Prof. Stevelly, J. Tyndall.
B. Blaydes Haworth, J. D. Sollitt,
Prof. Stevelly, J. Welsh.

Date and Place

Presidents

Secretaries

1854. Liverpool... Prof. G. G. Stokes, M.A., Sec. J. Hartnup, H. G. Puckle, Prof.

...

R.S.

1855. Glasgow Rev. Prof. Kelland, M.A., F.R.S., F.R.S.E.

1856. Cheltenham Rev. R. Walker, M.A., F.R.S.

1857. Dublin...... Rev. T. R. Robinson, D.D., F.R.S., M.R.I.A.

1858. Leeds

Stevelly, J. Tyndall, J. Welsh.
Rev. Dr. Forbes, Prof. D. Gray, Prof.
Tyndall.

C. Brooke, Rev. T. A. Southwood,
Prof. Stevelly, Rev. J. C. Turnbull.
Prof. Curtis, Prof. Hennessy, P. A.
Ninnis, W. J. Macquorn Rankine,
Prof. Stevelly.

Rev. W. Whewell, D.D., Rev. S. Earnshaw, J. P. Hennessy,
V.P.R.S.
Prof. Stevelly, H. J. S. Smith, Prof.
Tyndall.

1859. Aberdeen... The Earl of Rosse, M.A., K.P.,

F.R.S.

J. P. Hennessy, Prof. Maxwell, H.
J. S. Smith, Prof. Stevelly.
Rev. G. C. Bell, Rev. T. Rennison,
Prof. Stevelly.

Prof. R. B. Clifton, Prof. H. J. S.
Smith, Prof. Stevelly.

Prof. R. B. Clifton, Prof. H. J. S.
Smith, Prof. Stevelly.

Rev. N. Ferrers, Prof. Fuller, F.
Jenkin, Prof. Stevelly, Rev. C. T.
Whitley.

Prof. Fuller, F. Jenkin, Rev. G.
Buckle, Prof. Stevelly.

Rev. T. N. Hutchinson, F. Jenkin, G.

S. Mathews, Prof. H. J. S. Smith,
J. M. Wilson.

Fleeming Jenkin, Prof. H. J. S. Smith,
Rev. S. N. Swann.

Rev. G. Buckle, Prof. G. C. Foster,
Prof. Fuller, Prof. Swan.
Prof. G. C. Foster, Rev. R. Harley,
R. B. Hayward.

Prof. G. C. Foster, R. B. Hayward,
W. K. Clifford.

Prof. W. G. Adams, W. K. Clifford,
Prof. G. C. Foster, Rev. W. Allen
Whitworth.

Prof. W. G. Adams, J. T. Bottomley,
Prof. W. K. Clifford, Prof. J. D.
Everett, Rev. R. Harley.
Prof. W. K. Clifford, J. W. L. Glaisher,

Prof. A. S. Herschel, G. F. Rodwell.
Prof. W. K. Clifford, Prof. Forbes, J.
W.L. Glaisher, Prof. A. S. Herschel.

1874. Belfast...... Rev. Prof. J. H. Jellett, M.A., J. W. L. Glaisher, Prof. Herschel,

Randal Nixon, J. Perry, G. F.
Rodwell.

Prof. W. F. Barrett, J.W.L. Glaisher,
C. T. Hudson, G. F. Rodwell.
Prof. W. F. Barrett, J. T. Bottomley,
Prof. G. Forbes, J. W. L. Glaisher,
T. Muir.

Prof. W. F. Barrett, J. T. Bottomley,
J. W. L. Glaisher, F. G. Landon.
Prof. J. Casey, G. F. Fitzgerald, J.
W. L. Glaisher, Dr. O. J. Lodge.
A. H. Allen, J. W. L. Glaisher, Dr.
O. J. Lodge, D. MacAlister.