becoming Members, it is intended that information shall be afforded on all matters relating to the admission and location of Members, and the arrangement of business. In this room, Lists of Furnished Lodgings,-Plans of the Tables at the Ordinary,Notices of Meetings and Excursions,-Titles of Communications appointed to be read in each Section daily,-printed Lists of Members, who have arrived, with their Addresses, in Bristol,-and all other Notices relating to the Association, will be placed in conspicuous situations.

At all other places of meeting, and at the Ordinary, Members will be requested to exhibit their Tickets.

The General Committee will meet in the Chapter Room of the Cathedral, on Saturday, the 20th of August, at Twelve o'Clock; and afterwards according to adjournment. Special notice will be given of the time when the concluding Meeting of this body will be held. Sectional Meetings. The Sections will assemble every day during the week, Saturday excepted, at Eleven o'Clock, in the following places.

Provisional Secretaries

A Mathematics and Physics ...Merchants' Hall Mr. F. W. JERRARD.
B Chemistry and Mineralogy ...Grammar School Mr. WILLIAM HERAPATH.

Mr. WM. SANDERS,

..Colston's School......Dr. RILEY, Mr. S. ROOTSEY.

MR. S. STUTCHBURY.

Colston's School..

.Dr. SYMONDS.

Chapter Room

.Mr. C. B. FRIPP.

Mr. T. G. BUnt,
Mr. W. WEST.

The Committee of each Section will meet daily at Ten, A.M. in rooms adjacent to the Sectional Rooms.

At or before Ten o'Clock daily, Lists of the Communications appointed to be read in each Section will be placed in the Inquiry Room, and on the doors of the respective Sectional Rooms.

General Meetings of the Association will be held in the Theatre, King Street, on Monday, Wednesday, and Friday, at Eight, P. M. The concluding Meeting will take place on Saturday, at an hour to be fixed by the General Committee.

On the Evenings of Tuesday and Thursday there will be no formal business; but arrangements will be made for the purpose of affording opportunity for conversation, experiments, and short discourses.

A limited number of Ladies' Tickets will be issued for the Evening Meetings.

An Ordinary for the accommodation of strangers (at 5s. per head, not including wine) will be provided daily during the week, at the Rooms of the Horticultural Society, at the upper end of Park Street. Plans of the Tables will be shown daily at the Horticultural Society's Rooms and at the Inquiry Room. Members may select their places for any day, by inscribing their names before Eleven o'Clock of that day, at the Inquiry Room; or in the evening of the previous day, at the Horticultural Society's Rooms.

Members of the Association will be admitted to various public and private establishments, on exhibiting their Tickets.-A printed List of such establishments will be placed in the various Meeting Rooms.

Having now made our inquiries, and it must be admitted satisfied them, we betook ourselves to an hotel in Clifton; and on announcing our intention to sleep there, to our astonishment the communication was met by an inquiry, whether we were or not a member of this Association. On acknowledging, as we are always disposed to do, with much self-complacency, that that distinction had fallen to us, we were informed that it would cost us at least five shillings for a bed, however small the bed-room, and that if our ambition extended beyond a mere closet, ten shillings and sixpence would be the price of a night's repose; moreover, that to sleep as though we were not a member of the Asssociation, would cost for every night of such philosophical slumber, one guinea. Much we had heard in our time of a curious method of sleeping at Bristol with one eye open,-and convinced that there was some truth

in it, we determined to sleep, at any rate for this night and the next, unphilosophically and less expensively, in Bath, a scheme favoured by the appearance of a Bath coach at the door.

Ten o'clock on Monday morning brought us back to Bristol, and found the streets of that great city thronged with newly-arrived philosophers, pouring forth from the hotels and lodging-houses, and crowding along Corn-street to the Inquiry-room, where its functions were somewhat more cheerfully exercised than on the preceding Saturday; here, having gone through the form of supposing an inquiry, and an authentication of their qualifications to be admitted members, they were referred to the Council House, called the Reception-room, where they were admitted, and whence each hastened to the particular section in whose deliberations he proposed to take a part.

Notwithstanding the delay occasioned by the extraordinary influx of persons applying all this morning to be enrolled members of the Association, sufficient numbers were, by eleven o'clock, admitted to fill, we believe, the place of meeting of every Section of the Association. On this, however, and on the succeeding days, it appeared to us, that the most crowded of the Sections were those of Geology and Mechanical Science, by reason, perhaps, of the more intelligible and popular character of the subjects discussed in these Sections.

Before the expiration of the first day, 1100 members were enrolled, and, eventually, the number amounted we believe to more than 1300; among whom were the Duke of Beaufort, the Marquis of Northampton, Earl Bathurst, Lord King, Lord Nugent, Lord Sandon, Lord Edward Somerset, Lord Cole, Lord Browne Mill, The Lord Bishop of Bath and Wells, Baron Dupin, The Right Hon. Spring Rice, Chancellor of the Exchequer, Right Hon. Henry Hobhouse, Hon. C. A. Harris, Capt. Sir John Ross, Sir Charles Lemon, Sir Thomas Ackland, Sir H. Strachey, Baronets; Sir David Brewster, Sir David Wilkie, Sir Peter Laurie; T. G. B. Estcourt, M. P.; T. Estcourt, M.P.; J. J. Guest, M.P.; R. B. Hale, M.P.; G. A. Hamilton, M.P.; H. Handley, M.P.; Colonel Gore Langton, M.P.; E. A. Sandford, M.P.; P. J. Miles, M.P.; W. Miles, M.P.. T. Wise, M.P.; Professors Buckland, Daubeny, Rigaud, Powell (Oxford); Sedgwick, Cumming, Henslow, Challis; Rev. W. Whewell, Rev. G. Peacock, (Cambridge); Professors Moseley, Babbage, Bailey, Christie, Cooke, Don, Phillips, Ritchie, Todd, and Wheatstone (London); Forbes, (Edinburgh); Johnston (Durham); Barker, Evanson, Geoghegan, Sir W. R. Hamilton, Lloyd, M'Caul, and M‘Culloch (Dublin); Stevelly (Belfast); Von Breda (Leyden,); Moll (Utrecht); Parigot (Brussels); Munier (Geneva); Nilsson, (Lund, Sweden); Von Raumer (Berlin); Hare (Philadelphia); Doctors: Lloyd (Provost of Dublin); Dalton (Manchester); Lardner, Apjohn, Bliss (Oxford); Bowring, Fiske (America); Henry, Luppenburg (Hamburg); Metcalf (Kentucky); Davies Gilbert, Esq., Thomas Moore, Esq., the Very Rev. the Dean of Wells, the Rev. W. L. Bowles, Rev. W. D. Conybeare, &c.

It will, we conceive, be more in the spirit of this journal, and more satisfactory to our readers, to present our account of the proceedings of the Association, not under the form of a daily report, but as a conspectus of the whole.

The following, then, are the titles of the papers read, and the communications made, in the different sections during the week.

SECTION A.

Sir David Brewster reported progress as to the experiments directed at the former meeting to be instituted on the construction of a Lens of Rock Salt. Mr. Lubbock communicated the result of some important Observations on the Tides at the ports of London and Liverpool.

Mr. Whewell reported proceedings of the Committee appointed by the Association to fix the relative value of Land and Sea,

Mr. Lubbock introduced a paper on the formation of an empirical Lunar Theory.

Professor Sir William Hamilton gave an account of Mr. Jerrard's Mathematical Researches connected with the general Solution of Algebraical Equations.

Professor Phillips made a brief statement of the operations of the Committee appointed by the Association for the purpose of making a series of experiments to determine the Subterranean Temperature of the Earth.

Mr. Craig read a paper on the Polarization of Light.

Mr. Russell read an important paper on the phenomena of Waves and Currents.

Professor Powell communicated some observations on Refractive Indices. Sir David Brewster read a paper on a Singular Developement of Polarizing Structure in the Crystalline Lens of Animals after Death.

The Rev. Mr. M'Cauley read a paper in continuation of one communicated to the Association last year, on the application of Electro-Magnetism to Mechanical Purposes.

Mr. Harris read a paper on some Phenomena of Electrical Repulsion. Professor Challis made a supplementary Report on the Mathematical Theory of Fluids.

Professor Stevelly made some remarks on the interpretation of the doubtful sign in certain Algebraic Formulæ.

Mr. M'Culloch read a paper on the Laws of Double Refraction of Quartz.
Mr. Adams made a communication on the Interference of Sound.
Mr. Talbot reported his Researches on the Integral Calculus.
Dr. Apjohn read a paper on the Specific Heat of Gases.

Professor Hamilton made a communication on the Calculus of Principal Relations.

The Rev. William Scoresby described two Magnetical Instruments. Professor Forbes read a paper on the Terrestrial Magnetic Intensity at various Heights.

Sir David Brewster read a paper on the Action of Crystalline Surfaces. Mr. W. G. Hall made some remarks on the Connexion of Weather with the Tide.

66

Mr. Ettricke read papers " On an Instrument for observing Terrestrial Magnetism;" ;" "On improved Rubbers for Electrical Machines ;" and " On a New Instrument for trying the Effect of Electrical Discharges in rarefied Air, or in different kinds of Gases."

Mr. Addams made some observations on the Vibration of Bells.

Dr. Reutzi introduced a paper "On the Higher Order of Grecian Music;" and another " On Mnenomic Logarithms."

Mr. Whewell read a paper on a New Anemometer.

Professor Phillips read a notice of the probable effects of elevated ground in the direction of the Lines of equal Magnetic Dip.

Sir David Brewster described some valuable Improvements in the Telescope.

Mr. Russell read a paper on certain Elements of the Resistance of Fluids that appear to be internally connected with the application of Analysis. Dr. Hare made a communication on the Electric Spark.

Dr. Carpenter described a system of teaching the Blind to read.

Mr. Hodgkinson gave an account of some experiments made at the request of the Association, to determine the comparative strength and other properties of iron, made with the Hot and Cold Blast.

SECTION B.

Mr. Watson communicated the results of experiments on the Pyrophosphate of Soda.

Mr. Ettricke described a new form of Blowpipe.

Mr. Herapath produced an Analysis of the Water of the King's bath, at Bath.

Dr. Hare, of Philadelphia, made an important communication on RockBlasting; and also described a Gas-meter which he had for many years found of great use, but which had not yet been used in this country.

Mr. William Herapath gave a short account of the Aurora Borealis of the 18th of November.

Mr. Thomas Edley furnished a paper entitled, "Important Facts obtained Mathematically from Theory; embracing most of those experimental results in Chemistry which are considered as ultimate Facts."

Dr. Charles Henry read a paper on the Power of certain Gases to prevent the union of Oxygen and Hydrogen.

Mr. W. Herapath read a paper on Arsenical Poisons.

Dr. Hare made some observations on the improvements of the Galvanic Pile.

Dr. Daubeny read a report on the present state of our knowledge with regard to Mineral-Waters.

Mr. Mushet exhibited specimens of Iron Ore, and also of an Iron Cement, which he stated to possess superior binding properties.

Professor Johnson explained the constitution and properties of Para Cyanogen.

Mr. W. West read a paper on the Substances diffused through the Atmosphere.

Dr Hare read a Copy of a correspondence between Berzelius and himself, on Chemical Nomenclature.

Dr. Dalton made some observations on Atomic Symbols.

Professor Johnston brought before the Section his Chemical Tables, of which a specimen, entitled "Chemical Constants," had been laid before the Association in Dublin.

Dr. Thomson read a detailed account of experiments on the Combinations of Sulphuric Acid and Water.

Mr. W. C. Jones read a paper on a peculiar modification of Gluten.

Mr. Crosse described certain improvements in the Voltaic Battery, and also read a paper on Atmospheric Electricity.

Mr. Scanlan gave an account of a new Compound, found during the destructive Distillation of Wood.

Professor Davey described a peculiar compound of Carbon and Potassium, and also a new Gaseous Bicarburet of Hydrogen.

Dr. Inglis made some remarks on the Conducting Power of Iodine.

Dr. Knox made some observations on Fluorine.

Mr. Black described a mode of detecting the strength of Spirits by diluting with Water.

Dr. Trail made à communication on the Aurora Borealis.

SECTION C.

Mr. Charlesworth read a notice of the Vertebrated Animals in the Crag-formation.

Mr. Bowman read an account of a visit to the Bone Caves of Cefn, in Denbighshire.

Mr. Ibbotson exhibited Geographical Models of Neufchatel, and of the Under Cliff in the Isle of Wight.

Dr. Daubeny stated the results of some experiments on the effects of Arsenic or Vegetables.

Professor Sedgwick and Mr. Murchison, communicated a paper "On the Classification of the old Slate Rocks, and true position of the Culm Deposits of Devonshire,"

Mr. De la Beche read a paper on the Connexion of the Geological Phenomena with the Mines of Cornwall and Devon.

Professor Phillips made some observations on the removal of large Blocks or Boulders from the Rocks of Cumberland.

A communication was received from Dr. Riley and Mr. Stutchbury, on certain Saurian Bones discovered near Bristol.

Dr. Buckland produced a Bone, which had been found upon the redsandstone in Bristol, supposed to be a remain of one of the rioters burnt at the Custom-house, the animal matter of which having been roasted out, the cavities became filled with lead.

The Marquis Spineto read a report of the attempts made to ascertain the Latitude of the ancient City of Memphis.

Dr. Buckland placed upon the table specimens of the engravings of some of the Fossils in the Bristol Institution, prepared under the direction of M. Agassiz; and also a Copy of the first volume of his Treatise on Geology, for the Bridgewater Treatises.

Mr. Fox read an important paper on the change in the Chemical character of Minerals induced by Galvanism.

Mr. Crosse made some communications of the highest interest on the formation of Artificial Crystals and Minerals.

Mr. Conybeare read a paper on the Coal-fields of South Wales.

Mr. Murchison communicated some remarks on the Geological relations of certain Calcareous Rocks, near Manchester; and also on the ancient Hydrography of the River Severn.

Lord Nugent read a communication respecting some Sea Rivulets in the Island of Cephalonia.

Mr. Charlesworth read a paper on some alleged fallacies in determining the ages of Tertiary Deposits.

Professor Forbes made a communication on the connexion of the Pyrenean Hot Springs with the Geology of the District.

The Rev. Mr. Clarke gave an account of some Hot Springs at Longleat.

SECTION D.

Dr. Richardson communicated, in several readings, his report on North American Zoology.

Mr. Rootsey announced the results of various experiments to extract Sugar, Spirit, &c., from Mangel Wurzel.