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REPORT

OF THE

TWENTY-SEVENTH MEETING

OF THE

BRITISH ASSOCIATION

FOR THE

ADVANCEMENT OF SCIENCE;

HELD AT DUBLIN IN AUGUST AND SEPTEMBER 1857.

LONDON:
JOHN MURRAY, ALBEMARLE STREET.

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CONTENTS.

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Page OBJECTS and Rules of the Association ........ Places of Meeting and Officers from commencement Treasurer's Account ..........

xxiii Table of Council from commencement ...

xxiv Officers and Council ......... Officers of Sectional Committees .......

xxvii Corresponding Members........

xxviii Report of the Council to the General Committee

xxviii Report of the Kew Committee ........

xxxi Report of the Parliamentary Committee ............ ............ xxxviii Recommendations for Additional Reports and Researches in Science xxxix Synopsis of Money Grants .......

......... xli General Statement of Sums paid for Scientific Purposes

xlii Extracts from Resolutions of the General Committee Arrangement of the General Meetings Address of the President

xlvii

mittee ..........

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REPORTS OF RESEARCHES IN SCIENCE.

Report on the Recent Progress of Theoretical Dynamics. By A.
CAYLEY

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Sixteenth and final Report of a Committee, consisting of Professor

DAUBENY, Professor HENSLOW, and Professor LINDLEY, appointed to continue their Experiments on the Growth and Vitality of Seeds. 43

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Continuation of Report on Steam Navigation at Hull. By JAMES

OLDHAM, C.E. Hull, M.I.C.E. ........

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Report of a Committee, consisting of The Rt. Hon. Earl of HARDWICKE,

Chairman ; Mr. Andrew HENDERSON, Mr. John Scott Russell,
Mr. James RobT. NAPIER, Mr. CHARLES ATHERTON, Mr. ARTHUR
ANDERSON, Rev. Dr. Woolley, Admiral MoorsoM (vice Mr. W.
Mann), Mr. John MacGREGOR (vice Mr. G. F. Young), Captain
J. O. Owen, Professor Bennett WOODCROFT, JAMES Perry, and
Mr. James Yates, Secretary, appointed to inquire into the Defects
of the present methods of Measuring and Registering the Tonnage of
Shipping, as also of Marine Engine-Power, and to frame more perfect
rules, in order that a correct and uniform principle may be adopted
to estimate the Actual Carrying Capabilities and Working-Power of
Steam Ships ........

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Report on the Temperature of some Deep Mines in Cornwall. By

Robert Were Fox, F.R.S., F.G.S. ..

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étant entier négatif, et de quelques cas dans lesquels cette somme est exprimable par une combinaison de factorielles, la notation atl+1 désig. dant le produit des t facteurs a (a +1)(a+2) &c. ...(a+t-1). Par G. PLARR, Docteur ès Sciences de Strasbourg ...................... 101

Report on the Marine Zoology of Strangford Lough, County Down,

and corresponding part of the Irish Channel. By G. Dickie, M.D., Professor of Natural History, Queen's College, Belfast ............... 104

Suggestions for Statistical Inquiry into the extent to which Mercantile

Steam Transport Economy is affected by the Constructive Type of
Shipping, as respects the Proportions of Length, Breadth, and Depth.
By Charles Atherton, Chief Engineer of Her Majesty's Dock-
yard, Woolwich .........

........ 112

Further Report on the Vitality of the Spongiadæ. By J. S. Bower-
BANK, LL.D., F.R.S., &c. (With a Plate) ........

....... 121

On Flax. By John P. Hodges, M.D., F.C.S., Professor of Agriculture,

Queen's College, Belfast, and Chemist to the Chemico-Agricultural Society of Ulster ..........

.... 126

Report of the Committee on the Magnetic Survey of Great Britain. By

Major-General SABINE ........

.... 130

Page Report on Observations of Luminous Meteors, 1856-57. By the Rev.

BADEN POWELL, M.A., F.R.S., F.R.A.S., F.G.S., Savilian Professor of Geometry in the University of Oxford ..........

.......... 131

On the Adaptation of Suspension Bridges to sustain the passage of

Railway Trains. By C. VIGNOLES, C.E., F.R.S. .. ............ 154 On Electro-Chemistry. By Professor W. A. Miller, M.D., F.R.S.... 158 Results of Thermometrical Observations made at the · Plover's' Winter

ing-place, Point Barrow, latitude 71° 21' N., long. 156° 17' W., in 1852–54. By John SIMPSON, Esq., R.N., F.R.C.S., F.R.G.S., Sur. geon of H.M.S. · Plover' (With a Plate) ........

............ 159 On the Algebraic Couple ; and on the Equivalents of Indeterminate

Expressions. By CHARLES JAMES HARGREAVE, LL.D., F.R.S. ... 184 Report on the Improvement of Telescope and Equatorial Mountings. By Thomas GRUBB, M.R.I.A. &c. .....

......... 195

Report on the Experimental Plots in the Botanical Garden of the Royal

Agricultural College at Cirencester. By JAMES BUCKMAN, F.L.S.,
F.A.S., F.G.S. &c., Professor of Geology and Botany, Lecturer on
Geology, &c. at the Cheltenham Proprietary College .................. 200

On the Resistance of Tubes to Collapse. By William FAIRBAIRN,
F.R.S.

.................................. 215

Report of the Proceedings of the Belfast Dredging Committee. By
GEORGE C. HYNDMAN.

............ 220

On the Mechanical Effect of combining Girders and Suspension Chains,

and a Comparison of the Weight of Metal in Ordinary and Suspeusion Girders, to produce equal deflections with a given load. By Peter W. BARLOW, F.R.S.

.............................. 238 Evidences of Lunar Influence on Temperature. By J. PARK HARRISON,

M.A..........

.... 248

Report on the Animal and Vegetable Products imported into Liverpool from the year 1851 to 1855 (inclusive) ..........

.... 254

Report on the Statistics of Life-boats and Fishing-boats on the Coasts of

the United Kingdom. By ANDREW HENDERSON, F.S.A. and A.I.C.E. 308

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