PRINTED BY

TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET.

General Statement of Sums paid on account of Grants for Scientific

Purposes

xlv

Extracts from Resolutions of the General Committee

xlix

Arrangement of the General Meetings

1

Address of the President, the Rev. R. WILLIS, M.A., F.R.S., &c. . . . .

li

REPORTS OF RESEARCHES IN SCIENCE.

Report on Observations of Luminous Meteors, 1861-62. By a Com-

mittee, consisting of JAMES GLAISHER, F.R.S., F.R.A.S., Secretary to

the British Meteorological Society, &c.; R. P. GREG, F.G.S., &c.;

E. W. BRAYLEY, F.R.S., &c.; and A. HERSCHEL

1

On the Strains in the Interior of Beams. By GEORGE BIDDELL AIRY,

F.R.S., Astronomer Royal

82

Page

Report on the three Reports of the Liverpool Compass Committee and

other recent Publications on the same subject. By ARCHIBALD SMITH,

M.A., F.R.S., and FREDERICK JOHN EVANS, R.N., F.R.S.

87

Report on Tidal Observations on the Humber. Presented by JAMES

OLDHAM, C.E.; JOHN SCOTT RUSSELL, C.E., F.R.S.; J. F. BATEMAN,

C.E., F.R.S.; and THOMAS THOMPSON.

101

On Rifled Guns and Projectiles adapted for Attacking Armour-plate

Defences. By T. ASTON, M.A., Barrister-at-Law..

Extracts, relating to the Observatory at Kew, from a Report presented

to the Portuguese Government by Dr. JACINTHO ANTONIO DE Souza,

Professor of the Faculty of Philosophy in the University of Coimbra.

(Communicated by J. P. GASSIOT, F.R.S.)

Report on the Dredging of the Northumberland Coast and Dogger Bank.

Drawn up by HENRY T. MENNELL, on behalf of the Natural History

Society of Northumberland, Durham, and Newcastle-on-Tyne, and

of the Tyneside Naturalists' Field Club ...

103

109

116

Report of the Committee appointed at Manchester to consider and report

upon the best means of advancing Science through the agency of the

Mercantile Marine. By CUTHBERT COLLINGWOOD, M.B., F.L.S....... 122

Provisional Report of the Committee, consisting of Professor A. WIL-

LIAMSON, Professor C. WHEATSTONE, Professor W. THOMSON, Professor

W. H. MILLER, Dr. A. MATTHIESSEN, and Mr. FLEEMING JENKIN, on

Standards of Electrical Resistance

125

Preliminary Report of the Committee for Investigating the Chemical and

Mineralogical Composition of the Granites of Donegal, and the Mine-

rals associated with them....

On the Vertical Movements of the Atmosphere considered in connexion

with Storms and Changes of Weather. By HENRY HENNESSY, F.R.S.,

M.R.I.A., &c., Professor of Natural Philosophy in the Catholic Uni-

versity of Ireland..

163

165

Report of a Committee, consisting of the Rev. Dr. LLOYD, General SABINE,

Mr. A. SMITH, Mr. G. JOHNSTONE STONEY, Mr. G. B. AIRY, Professor

DONKIN, Professor WM. THOMSON, Mr. CAYLEY, and the Rev. Professor

PRICE, appointed to inquire into the adequacy of existing data for

carrying into effect the suggestion of GAUSS, to apply his General

Theory of Terrestrial Magnetism to the Magnetic Variations........ 170

On Thermo-electric Currents in Circuits of one Metal. By FLEEMING

JENKIN. (Plate I.) . . . . .

173

On the Mechanical Properties of Iron Projectiles at High Velocities. By

W. FAIRBAIRN, F.R.S.

178

Report on the Progress of the Solution of certain Special Problems of

Dynamics. By A. CAYLEY, F.R.S., Correspondent of the Institute.. 184.

Report on Double Refraction. By G. G. STOKES, M.A., D.C.L., Sec. R.S.,

Lucasian Professor of Mathematics in the University of Cambridge

253

Page

Fourth Report of the Committee on Steamship Performance. (Plate III.) 282

On the Fall of Rain in the British Isles during the Years 1860 and 1861.

By G. J. SYMONS, M.B.M.S. (Plate II.)

.....

293

On Thermometric Observations in the Alps. By J. BALL, M.R.I.A.,

F.L.S., &c.

363

Report of the Committee for Dredging on the North and East Coasts of

Scotland. By J. GWYN JEFFREYS, F.R.S.

371

Report of the Committee, consisting of the Rev. W. VERNON HARCOURT,

Right Hon. JOSEPH NAPIER, Mr. TITE, M.P., Professor CHRISTISON,

Mr. J. HEYWOOD, Mr. J. F. BATEMAN, and Mr. T. WEBSTER, on Tech-

nical and Scientific Evidence in Courts of Law

373

An Account of Meteorological and Physical Observations in Eight Bal-

loon Ascents, made, under the Auspices of the Committee of the British

Association for the Advancement of Science at Manchester, by JAMES

GLAISHER, F.R.S., at the request of the Committee, consisting of

Colonel SYKES, Mr. G B. AIRY, Lord WROTTESLEY, Sir D. BREWSTER,

Sir J. HERSCHEL, Dr. LLOYD, Admiral FITZROY, Dr. LEE, Dr. ROBINSON,

Mr. GASSIOT, Mr. GLAISHER, Dr. TYNDALL, Mr. FAIRBAIRN, and Dr. W.

A. MILLER....

Report on the Theory of Numbers.-Part IV. By H. J. STEPHEN SMITH,

M.A., F.R.S., Savilian Professor of Geometry in the University of

Oxford

376

503

APPENDIX I.

Errata in Report of Observations of Luminous Meteors, 1861-62