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Second (Interim) Report of the Committee, consisting of Dr. John Kerr, Sir

William Thomson, Professor Röcker, and Mr. R. T. GLAZEBROOK (Secre-

tary), appointed to co-operate with Dr. Kerr in his researches on Electro-

optics

147

Report of the Committee, consisting of Professor LIVEING, Dr. C. Prazzi

SHYTH (Secretary), and Professors DEWAR and SCHUSTER, appointed to

Co-operate with Dr. C. PIAZZI Smyth in his researches on the Ultra-violet

Rays of the Solar Spectrum

147

Report of the Committee, consisting of Professor W. Grylls Adams (Chair-

man and Secretary), Sir WILLIAM Thomson, Professor G. H. DARWIN,

Professor G. CHRYSTAL, Professor A. Schuster, Professor RÜCKER, Mr. C. H.

CARPMAEL, Commander CREAK, the ASTRONOMER Royal, Mr.'WILLIAM

ELLIs

, and Mr. G. M. Whipple, appointed for the purpose of considering

the best means of Comparing and Reducing Magnetic Observations....... 149

Report of the Committee, consisting of Professor G. CAREY Foster, Sir

WILLIAM THOMSON, Professor Ayrton, Professor J. Perry, Professor W.

G. ADAMS, Lord RAYLEIGH, Dr. O. LODGE, Dr. John HOPKINSON, Dr

A. MUIRHEAD, Mr. W.H. PREECE, Mr. HERBERT TAYLOR, Professor EVERETT,

Professor Schuster, Dr. J. A. FLEMING, Professor G. F. FITZGERALD,

Mr. R. T. GLAZEBROOK (Secretary), Professor CHRYSTAL, Mr. H. Tomlin-

SON, Professor W. GARNETT, Professor J. J. THOMSON, Mr. W. N. Shaw,

Mr. J. T. BOTTOMLEY, and Mr. T. Gray, appointed for the purpose of

constructing and issuing Practical Standards for use in Electrical Measure-

152

Interim Report of the Committee, consisting of Professor Cayley, Professor

SILVESTER, Mr. A. R. FORSYTH, and Professor A. LODGE (Secretary), ap-

pointed for the purpose of carrying on the Tables connected with the Pellian

Equation from the point where the work was left by Degen in 1817 .... 160

Seventh Report of the Committee, consisting of Sir G. G. Stokes (Chairman),

Professor SCHUSTER, Mr. G. Johnstone STONEY, Sir H. E. Roscoe, Captain

ABNEY, Mr. WHIPPLE, Professor McLeod, and Mr. G. J. Symons (Secre-

tary), appointed for the purpose of considering the best

methods of recording

the direct Intensity of Solar Radiation

160

Report of the Committee, consisting of Sir H. E. Roscoe, Mr. J. N. Lockyer,

Professors DEWAR, Wolcott GIBBS, LIVEING, SCHUSTER, and W. N.

HARTLEY, Captain ABNEY, and Dr. MARSHALL Watts (Secretary),

the Elements and Compounds

161

Interim Report of the Committee

, consisting of Professor Thorpe, Professor

Professor STROUD, on the Action of Light upon Dyed Colours. (Drawn up

(Secretary), Dr. PERKIN, Professor Russell, Captain ABNEY, and

263

Report (provisional) of a Committee, consisting of Professors McLeod and

W.RAMSAY and Mr. W. A. SHENSTONE (Secretary), appointed to investigate

the Influence of the Silent Discharge of Electricity on Oxygen and other

264

Third Report of the Committee, consisting of Professors H. McLEOD (Chair-

appointed for the Continuation of the Bibliography of Spectroscopy .

264

Fisth Report of the Committee, consisting of Professor TILDEN and Professor

ARMSTRONG (Secretary), appointed for the purpose of investigating Isomeric

Naphthalene Derivatives. (Drawn up by Professor ARMSTRONG)...... 265

Fifth Report of the Committee, consisting of Professors TILDEN, MCLEOT,

PICKERING, RAMSAY, and Young and Drs. A. R. LEEDS and NICOL

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(Secretary), appointed for the purpose of reporting on the Bibliography of

Solution

..... 273

Fifth Report of the Committee, consisting of Professors TILDEN and RAMSAY

and Dr. Nicol (Secretary), appointed for the purpose of investigating the

Properties of Solutions

273

Third Report of the Committee, consisting of Professor ROBERTS-AUSTEN

(Chairman), Sir F. ABEL, Messrs. E. RILEY and J. SPILLER, Professor J. W.

LANGLEY, Mr. G. J. SNELUS, Professor TILDEN, and Mr. THOMAS TURNER

(Secretary), appointed to consider the best method of establishing an Inter-

national Standard for the Analysis of Iron and Steel. (Drawn up by the

Secretary)

273

Report (provisional) of a Committee, consisting of Professors H. E. ARM-

STRONG and W. R. DUNSTAN and Messrs. C. H. BOTHAMLEY and W. A.

SHENSTONE (Secretary), appointed to investigate the direct formation of

Haloid Compounds from pure materials .....

274

Provisional Report of the Committee, consisting of General Festing, Captain

ABNEY, and Professor H. E. ARMSTRONG (Secretary), on the Absorption

Spectra of Pure Compounds

275

Nineteenth Report of the Committee, consisting of Professor PRESTWICH, Dr.

H. W. CROSSKEY, Professors W. Boyd DAWKINS, T. MCKENNY HUGHES,

and T. G. BONNEY, and Messrs. C. E. DE RANCE, W. PENGELLY, J. PLANT,

and R. H. TIDDEMAN, appointed for the purpose of recording the Position,

Height above the Sea, Lithological Characters, Size, and Origin of the Erratic

Blocks of England, Wales, and Ireland, reporting other matters of interest

connected with the same, and taking measures for their preservation.

(Drawn up by Dr. CROSSKEY, Secretary).......

276

Second Report of the Committee, consisting of Dr. H. WOODWARD (Chair-

man), Rev. G. F. WHIDBORNE, Messrs. R. ETHERIDGE, R. KIDSTON, J. E.

MARR, C. D. SHERBORN, and A. S. WOODWARD (Secretary), for the Regis-

tration of all the Type Specimens of British Fossils

299

Seventeenth Report of the Committee, consisting of Drs. E. HULL and

H. W. CROSSKEY, Sir Douglas Galton, Professor G. A. LEBOUR, and

Messrs. JAMES GLAISHER, E. B. MARTEN, G. H. MORTON, J. PARKER, W.

PENGELLY, JAMES PLANT, J. PRESTWICI, I. ROBERTS, C. Fox-STRANGEWAYS,

T. S. STOOKE, G. J. SYMONS, W. TOPLEY, TYLDEN-WRIGHT, E. WETHE-

RED, W. WHITAKER, and C. E. DE RANCE (Secretary), appointed for tho

purpose of investigating the Circulation of Underground Waters in the

Permeable Formations of England and Wales, and the Quantity and Character

of the Water supplied to various Towns and Districts from these Forma-

tions. (Drawn up by C. E. DE RANCE, Reporter)

300

Report of the Committee, consisting of Messrs. H. BAUERMAN, F. W. RUDLER,

and J. J. H. TEALL and Dr. JOHNSTON-LAVIS, appointed for the investigation

of the Volcanic Phenomena of Vesuvius and its neighbourhood. (Drawn

up by Dr. JOHNSTON-LAVIS)

312

Second Report of the Committee, consisting of Professor JAMES GEIKIE (Chair-

man), Dr. TEMPEST ANDERSON, Dr. VALENTINE BALL, Mr. JAMES E. Bed-

FORD, Professor T. G. BONNEY, Professor W. Boyd DAWKINS, Mr. JAMES W.

David. Mr. WILLIAM GRAY, Mr. ROBERT Kidston, Mr. ARTHUR S. REID,

Mr. R. H. TIDDEMAN, Mr. W. W. Watts, Mr. HORACE B. WOODWARD, and

Mr. Osmund W. JEFFs (Secretary), to arrange for the collection, preserva-

tion, and systematic registration of Photographs of Geological Interest in

the United Kingdom. (Drawn up by the Secretary)

321

Report of the Committee, consisting of Mr. G. J. SIMONS, Mr. C. Davison

(Secretary), Sir F. J. BRAMWELL, Mr. E. A. COWPER, Professor G. H. DAR-

win, Professor EwING, Mr. Isaac ROBERTS, Mr. Thomas Gray, Dr. JOHN

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Evans, Professors PRESTWICH, Hull, LEBOUR, MELDOLA, and Judd, Mr. M.

WALTON Brown, and Mr. J. GLAISHER, appointed to consider the advisa-

bility and possibility of establishing in other parts of the country Observa-

tions upon the Prevalence of Earth Tremors similar to those now being

made in Durham in connection with coal-mine explosions

333

Report of the Committee, consisting of Dr. H. WOODWARD (Chairman),

Nessrs. W. D. CRICK, T. G. GEORGE, Wm. Hull, E. A. WALFORD, E.

Wilson, H. B. WOODWARD, and BEEBY THOMPSON (Secretary), to work

the very Fossiliferous Transition Bed between the Middle and Upper Lias

in Northamptonshire, in order to obtain a more clear idea of its fauna, and

to fix the position of certain species of fossil fish, and more fully investigate

the horizon on which they occur. (Drawn up by the Secretary)

Report of the Committee, consisting of Mr. J. W. Davis (Chairman), Rev. E.

JONES (Secretary), Drs. J. Evans and J. G. Garson, and Messrs. W. Pen-

GELLY, R. H. TIDDEMAN, and J. J. WILKINSON, to complete the investiga-

tion of the Cave at Elbolton, near Skipton, in order to ascertain whether

Remains of Palæolithic Man occur in the Lower Cave Earth

..... 371

Report of the Committee, consisting of Dr. John Evans (Chairman), Mr. B.

Harrison (Secretary), and Professors J. PRESTWICH and H. G. SEELEY,

appointed to carry on excavations at Oldbury Hill, near Ightham, in order

to ascertain the existence or otherwise of Rock-shelters at this spot.

(Drawn up by Mr. B. HARRISON)

353

Fourth Report of the Committee, consisting of Professor FLOWER (Chairman),

Mr. D. MORRIS (Secretary), Mr. CARRUTHERS, Dr. SCLATER, Mr. THISELTON-

DYER, Dr. SHARP, Mr. F. Du CANE GODMAN, Professor Newton, Dr.

GÜNTHER, and Colonel FEILDEN, a ppointed for the purpose of reporting

on the present state of our knowledge of the Zoology and Botany of the

West India Islands, and taking steps to investigate ascertained deficiencies

in the Fauna and Flora ...

354

Draft of Report of the Committee, consisting of Professor FLOWER (Chair-

man), Mr. D. SHARP (Secretary), Dr. BLANFORD, Dr. Hickson, Professor

Newton, Professor RILEY, Mr. O. Salvin, and Dr. SCLATER, appointed to

report on the present state of our knowledge of the Zoology of the Sand-

wich Islands, and to take steps to investigate ascertained deficiencies in the

Fama

357

Fifth Report of the Committee, consisting of Professor FOSTER, Professor

BAYLEY BALFOUR, Mr. THISELTON-DYER, Dr. Trimen, Professor MARSHALL

WARD, Mr. CARRUTHERS, Professor FAKTOG, Mr. WALTER GARDINER, and

Professor BOWER (Secretary), appointed for the purpose of taking steps for

the establishment of a Botanical Laboratory at Peradeniya, Ceylon

358

Fourth Report of the Committee, consisting of Mr. A. W. Wills (Chairman),

Mr. E. W. BADGER, Mr. G. CLARIDGE Ďruce, and Professor IIILLHOUSE,

for the purpose of collecting information as to the Disappearance of Native

Plants from their Local Habitats. (Drawn up by Professor HILLHOUSE,

Secretary)

359

Report of a Committee, consisting of Professor Newton, Mr. John CORDEAUX

(Secretary), Messrs. JOHN A. HARVIE-BROWN, R. M. BARRINGTON, W.

EAGLE CLARKE, and the Rev. E. P. KNUBLEY, appointed at Leeds to make

a digest of the observations on the Migration of Birds at Lighthouses and

Light-vessels, which have been carried on by the Migration Committee of

the British Association, and to report on the same at Cardiff .....

363

Report of the Committee, consisting of Professor Flower (Chairman), Pro-

fessor M. FOSTER, Professor RAY LANKESTER, Professor Vines, and Mr. S. F.

HARMER (Secretary), appointed for the purpose of arranging for the occupa-

Page

tion of a Table at the Laboratory of the Marine Biological Association at

Plymouth

361

Report of the Committee, consisting of Dr. P. L. SCLATER, Professor Ray

LANKESTER, Professor CossaR EWART, Professor M. Foster, Mr. A.

SEDGWICK, Professor A. M. MARSHALL, and Mr. PERCY SLADEN (Secre-

tary), nominated for the purpose of arranging for the occupation of a Table

at the Zoological Station at Naples

365

Report of the Committee, consisting of Professor A. C. Haddon, Professor

W. A. HERDMAN, and Mr. W. E. HOYLE (Secretary), appointed for im-

proving and experimenting with a Deep-sea Tow-net, for opening and

closing under water

382

Report of the Committee, consisting of Dr. J. H. GLADSTONE (Chairman),

Professor H. E. ARMSTRONG (Secretary), Mr. S. BOURNE, Dr. CROSSKEY,

Mr. G. GLADSTONE, Mr. J. HEYWOOD, Sir Joun LUBBOCK, Sir Phili?

Magnus, Professor N. STORY MASKELYNE, Sir H. E. Roscoe, Sir R. TEMPLE,

and Professor S. P. THOMPSON, appointed for the purpose of continuing the

inquiries relating to the teaching of Science in Elementary Schools

383

Third Report of the Committee, consisting of Sir J. N. Douglass, Professor

OSBORNE REYNOLDS, Professor W. C. UNWIN, and Messrs. W. TOPLEY,

E. LEADER WILLIAMS, W. SHELFORD, G. F. DEACON, A. R. Hunt, W. H.

WHEELER, W. ANDERSON, and H. BAMFORD, appointed to investigate the

Action of Waves and Currents on the Beds and Foreshores of Estuaries by

means of Working Models.............

386

Report of the Committee, consisting of Professor FLOWER (Chairman), Dr.

GARSON (Secretary), Dr. BEDDOE, General PITT-RIVERS, Mr. FRANCIS

Galton, and Dr. E. B. Tylor, appointed for the purpose of editing a new

Edition of ' Anthropological Notes and Queries'

404

Report of the Committee, consisting of Professor FLOWER (Chairman), Dr.

GARSON (Secretary), Mr. Bloxam, and Dr. WILBERFORCE SMITH, for the

purpose of carrying on the work of the Anthropometric Laboratory ......... 405

Serenth Report of the Committee, consisting of Dr. E. B. TYLOR, Mr. G. W.

BLOXAM, Sir DANIEL WILSON, Dr. G. M. Dawson, and Mr. R. G.

HALIBURTON, appointed to investigate the physical characters, languages,

and industrial and social condition of the North-Western Tribes of the

Dominion of Canada

407

Fifth Report of the Committee, consisting of Sir John LUBBOCK, Dr. JOHN

Evans, Professor W. Boyd DAWKINS, Dr. R. MUNRO, Mr. W. PENGELLY, Dr.

HENRY HICKS, Professor MELDOLA, Dr. MUIRHEAD, and Mr. James W.

Davis, appointed for the purpose of ascertaining and recording the localities

in the British Islands in which evidences of the existence of Prehistoric

Inhabitants of the country are found. (Drawn up by Mr. JAMES W. Davis) 449

Fourth and Final Report of the Committee, consisting of the Hon. RALPH

ABERCROMBY, Dr. A. BUCHAN, Mr. J. Y. BUCHANAN, Mr. J. WILLIS BUND,

Professor CHRYSTAL, Mr. D. CUNNINGHAM, Professor FiTZGERALD, Dr. H. R.

MILL (Secretary), Dr. JOHN MURRAY (Chairman), Mr. ISAAC ROBERTS,

Dr. H. C. SORBY, and the Rev. C. J. STEWARD, appointed to arrange an in-

vestigation of the Seasonal Variations of Temperature in Lakes, Rivers, and

Estuaries in various parts of the United Kingdom in co-operation with the

local societies represented on the Association. (Drawn up by Dr. II. R.

MILL)

454

On the Capture of Comets by Planets, especially their Capture by Jupiter.

By Professor H. A. NEWTON....

511

The Recent Progress of Agriculture in India. By C. L. TUPPER ....... 532

TRANSACTIONS OF THE SECTIONS.

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