Date and Place

Lecturer

Subject of Discourse

1877. Plymouth... W. Warington Smyth, M.A., The Physical Phenomena connected

1884. Montreal... Prof. O. J. Lodge, D.Sc. ...... Dust.

Rev. W. H. Dallinger, F.R.S. The Modern Microscope in Re. searches on the Least and Lowest Forms of Life.

1885. Aberdeen... Prof. W. G. Adams, F.R.S....

The Electric Light and Atmospheric
Absorption.

The Great Ocean Basins.
Soap Bubbles.

The Sense of Hearing.

1887. Manchester Prof. H. B. Dixon, F.R.S. The Rate of Explosions in Gases.

1888. Bath.......

1889. Newcastleupon-Tyne

1890. Leeds 1891. Cardiff

...

Col. Sir F. de Winton,
K.C.M.G.

Prof. W. E. Ayrton, F.R.S. ...

Prof. T. G. Bonney, D.Sc.,
F.R.S.

Prof. W. C. Roberts-Austen,
F.R.S.

The Foundation Stones of the Earth's
Crust.

The Hardening and Tempering of
Steel.

Walter Gardiner, M.A......... How Plants maintain themselves in
the Struggle for Existence.
Mimicry.

E. B. Poulton, M.A., F.R.S....
Prof. C. Vernon Boys, F.R.S.
Prof. L. C. Miall, F.L.S., F.G.S.

Quartz Fibres and their Applications.
Some Difficulties in the Life of
Aquatic Insects.
Electrical Stress.
Pedigrees.

Magnetic Induction.

Flame.

The Discovery of the Physiology of
the Nervous System.

Experiences and Prospects of
African Exploration.

Historical Progress and Ideal So.
cialism.

Magnetism in Rotation.

The Work of Pasteur and its various
Developments.

1870. Liverpool... Sir John Lubbock, Bart.,M.P., Savages.

OFFICERS OF SECTIONAL COMMITTEES PRESENT AT THE IPSWICH MEETING.

SECTION A.-MATHEMATICAL AND PHYSICAL SCIENCE.

President.-Professor W. M. Hicks, M.A., D.Sc., F.R.S.
Vice-Presidents.-Prof. W. E. Ayrton, F.R.S.; Prof. O. Henrici, F.R.S. ;
Lord Kelvin, Pres. R.S.; Lord Rayleigh, Sec.R.S.; Prof. A. W.
Rücker, F.R.S.

Secretaries.-Professor W. H. Heaton, M.A.; Professor A. Lodge, M.A. (Recorder); G. T. Walker, M.A.; W. Watson, B.Sc.

SECTION B.-CHEMISTRY.

President.-Professor R. Meldola, F.R.S., For.Sec.C.S.

Vice Presidents.-Prof. P. P. Bedson, D.Sc.; Prof. H. B. Dixon, F.R.S.; Professor E. Frankland, D.C.L., F.R.S.; J. H. Gladstone, Ph.D., F.R.S.; Professor Ira Remsen, Ph.D.; Sir Henry E. Roscoe, D.C.L., F.R.S.

Secretaries.-E. H. Fison; C. A. Kohn, Ph.D., B.Sc.; Arthur Harden, M.Sc., Ph.D. (Recorder); J. W. Rodger.

SECTION C.-GEOLOGY.

President.-W. Whitaker, B.A., F.R.S.

Vice-Presidents.-Gustave Dollfus; L. Fletcher, M.A., F.R.S.; F. W. Harmer; Rev. E. Hill, M.A.; J. E. Marr, M.A., F.R.S.; E. van den Broek.

Secretaries.-F. A. Bather, M.A.; G. W. Lamplugh; Alfred Harker, M.A.; Clement Reid, F.L.S. (Recorder).

SECTION D.-BIOLOGY.

President.-Professor W. A. Herdman, D.Sc., F.R.S., F.R.S.E.
Vice-Presidents.-Prof. L. C. Miall, F.R.S.; P. L. Sclater, Ph.D., F.R.S.;
Secretaries.-G. C. Bourne, M.A. (Recorder); Herbert Brown, M.D.;
W. E. Hoyle, M.A.; W. L. Sclater, M.A.

SECTION E.-GEOGRAPHY.

President.-H. J. Mackinder, M.A., F.R.G.S.

Vice-Presidents.-Major L. Darwin; Col. H. H. Godwin Austen, F.R.S.; Sir Joseph Hooker, F.R.S.; J. Scott Keltie; John Murray, D.Sc. ; E. G. Ravenstein; Col. Sir C. Warren, F.R.S.

Secretaries.-J. Coles, F.R.A.S.; H. N. Dickson, F.R.S.E.; Hugh Robert Mill, D.Sc., F.R.S.E. (Recorder); W. A. Taylor, F.R.S.E.

SECTION F.-ECONOMIC SCIENCE AND STATISTICS.

President.-L. L. Price, M.A.,

Vice-Presidents.-Professor F. Y. Edgeworth, M.A., D.C.L., F.S.S.; The Hon. Sir Charles Fremantle, K.C.B.; J. B. Martin; J. E. C. Munro ; R. H. Inglis Palgrave, F.R.S.

Secretaries.-E. Cannan, M.A., F.S.S.; Professor E. C. K. Gonner, M.A., F.S.S. (Recorder); H. Higgs, LL.B.

SECTION G.- -MECHANICAL SCIENCE.

President.-Professor L. F. Vernon Harcourt, M.A., M.Inst.C.E..
Vice-Presidents.-Professor A. B. W. Kennedy, F.R.S., M.Inst.C.E.; E.
Rigg, M.A.; Professor Silvanus P. Thompson, F.R.S.; W. H.
Wheeler, M.Inst.C.G.

Secretaries.-Professor T. Hudson Beare, F.R.S.E. (Recorder); Conrad
W. Cooke; W. Bayley Marshall, M.Inst.C.E.; F. G. M. Stoney,
M.Inst.C.E.

SECTION H.-ANTHROPOLOGY.

President.-Professor W. M. Flinders Petrie, D.C.L.

Vice-Presidents.-Sir John Evans, K.C.B., F.R.S.; Sir W. H. Flower, K.C.B., F.R.S.; R. Munro, M.D., F.R.S.E.

Secretaries.-J. L. Myres, M.A.; Rev. J. J. Raven, D.D.; H. Ling Roth (Recorder).

SECTION K.-BOTANY.

President.-W. T. Thiselton-Dyer, C.M.G., C.I.E., F.R.S.

Vice-Presidents.-Professor Bayley Balfour, M.A., F.R.S.; Professor

F. O. Bower, F.R.S.; F. Darwin, F.R.S.; Sir Joseph Hooker,
F.R.S.

Secretaries.-Professor F. E. Weiss (Recorder); A. C. Seward, M.A.

PRESIDENT.

CAPTAIN SIR DOUGLAS GALTON, K.C.B., D.C.L., LL.D., F.R.S., F.R.G.S., F.G.S.
VICE-PRESIDENTS.

The Most Hon. the MARQUIS OF BRISTOL, M.A.,
Lord-Lieutenant of the County of Suffolk.
The Right Hon. LORD WALSINGHAM, LL.D., F.R.S.,
High Steward of the University of Cambridge.
The Right Hon. LORD RAYLEIGH, D.C.L., Sec.R.S.,
Lord-Lieutenant of the County of Essex.
The Right Hon. LORD GWYDYR, M.A., High
Steward of the Borough of Ipswich.

PRESIDENT

The Right Hon. LORD HENNIKER, F.S.A.
The Right Hon. LORD RENDLESHAM.
J. H. BARTLET, Esq., MAYOR OF IPSWICH.
Sir G. G. STOKES, Bart., D.C.L., F.R.S.
Dr. E. FRANKLAND, D.C.L., F.R.S.
Professor G. H. DARWIN, M.A., LL.D., F.R.S.
FELIX T. COBBOLD, Esq., M.A.

ELECT.

A. G. VERNON HARCOURT, Esq., M.A., D.C.L., LL.D., F.R.S., Pres.C.S., Cowley Grange, Oxford. Professor E. A. SCHÄFER, F.R.S., University College, London, W.c.

ASSISTANT GENERAL SECRETARY.

G. GRIFFITH, Esq., M.A., College Road, Harrow, Middlesex.
GENERAL TREASURER.

Professor ARTHUR W. RÜCKER, M.A., D.Sc., F.R.S., Burlington House, London, W.

LOCAL SECRETARIES FOR THE MEETING AT LIVERPOOL.

Professor W. A. HERDMAN, F.R.S. I ISAAC C. THOMPSON, Esq., F.L.S.

W. E. WILLINK, Esq.

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).

The Right Hon. Sir JOHN LUBBOCK, Bart., M.P., D.C.L., LL.D., F.R.S., F.L.S.
The Right Hon. Lord RAYLEIGH, M.A., D.C.L., LL.D., Sec.R.S., F.R.A.S.
The Right Hon. Lord PLAYFAIR, K.C.B., Ph.D., LL.D., F.R.S.