PROCEEDINGS OF THE TWENTY-THIRD MEETING, at Hull, 1853, Published at 10s. 6d.

CONTENTS:-Rev. Prof. Powell, Report on Observations of Luminous Meteors, 1852-53; -James Oldham, on the Physical Features of the Humber;-James Oldham, on the Rise, Progress, and Present Position of Steam Navigation in Hull;-William Fairbairn, Experimental Researches to determine the Strength of Locomotive Boilers, and the causes which lead to Explosion;-J. J. Sylvester, Provisional Report on the Theory of Determinants;— Professor Hodges, M.D., Report on the Gases evolved in Steeping Flax, and on the Composition and Economy of the Flax Plant;-Thirteenth Report of Committee on Experiments on the Growth and Vitality of Seeds;-Robert Hunt, on the Chemical Action of the Solar Radiations; John P. Bell, M.D., Observations on the Character and Measurements of Degradation of the Yorkshire Coast; First Report of Committee on the Physical Character of the Moon's Surface, as compared with that of the Earth;-R. Mallet, Provisional Report on Earthquake Wave-Transits; and on Seismometrical Instruments;-William Fairbairn, on the Mechanical Properties of Metals as derived from repeated Meltings, exhibiting the maximum point of strength and the causes of deterioration;-Robert Mallet, Third Report on the Facts of Earthquake Phenomena (continued).

Together with the Transactions of the Sections, Mr. Hopkins's Address, and Recommendations of the Association and its Committees.

PROCEEDINGS OF THE TWENTY-FOURTH MEETING, at Liverpool, 1854, Published at 188.

CONTENTS:-R. Mallet, Third Report on the Facts of Earthquake Phenomena (continued); -Major-General Chesney, on the Construction and General Use of Efficient Life-Boats;-Rev. Prof. Powell, Third Report on the present State of our Knowledge of Radiant Heat ;-Colonel Sabine, on some of the results obtained at the British Colonial Magnetic Observatories ;— Colonel Portlock, Report of the Committee on Earthquakes, with their proceedings respecting Seismometers ;-Dr. Gladstone, on the influence of the Solar Radiations on the Vital Powers of Plants, Part 2;-Rev. Prof. Powell, Report on Observations of Luminous Meteors, 1853-54; -Second Report of the Committee on the Physical Character of the Moon's Surface ;-W. G. Armstrong, on the Application of Water-Pressure Machinery;-J. B. Lawes and Dr. Gilbert, on the Equivalency of Starch and Sugar in Food:-Archibald Smith, on the Deviations of the Compass in Wooden and Iron Ships;-Fourteenth Report of Committee on Experiments on the Growth and Vitality of Seeds.

Together with the Transactions of the Sections, the Earl of Harrowby's Address, and Recommendations of the Association and its Committees.

PROCEEDINGS OF THE TWENTY-FIFTH MEETING, at Glasgow, 1855, Published at 15s.

CONTENTST. Dobson, Report on the Relation between Explosions in Coal-Mines and Revolving Storms;-Dr. Gladstone, on the Influence of the Solar Radiations on the Vital Powers of Plants growing under different Atmospheric Conditions, Part 3;-C. Spence Bate, on the British Edriophthalma ;-J. F. Bateman, on the present state of our knowledge on the Supply of Water to Towns ;-Fifteenth Report of Committee on Experiments on the Growth and Vitality of Seeds;-Rev. Prof. Powell, Report on Observations of Luminous Meteors, 1854-55; -Report of Committee appointed to inquire into the best means of ascertaining those properties of Metals and effects of various modes of treating them which are of importance to the durability and efficiency of Artillery;-Rev. Prof. Henslow, Report on Typical Objects in Natural History;-A. Follett Osler, Account of the Self-Registering Anemometer and RainGauge at the Liverpool Observatory;-Provisional Reports.

Together with the Transactions of the Sections, the Duke of Argyll's Address, and Recom mendations of the Association and its Committees.

PROCEEDINGS OF THE TWENTY-SIXTH MEETING, at Cheltenham, 1856, Published at 18s.

CONTENTS: Report from the Committee appointed to investigate and report upon the effects produced upon the Channels of the Mersey by the alterations which within the last fifty years have been made in its Banks;-J. Thomson, Interim Report on progress in Researches on the Measurement of Water by Weir Boards;-Dredging Report, Frith of Clyde, 1856;--Rev. B. Powell, Report on Observations of Luminous Meteors, 1855-1856;-Prof. Bunsen and Dr. H. E. Roscoe, Photochemical Researches ;-Rev. James Booth, on the Trigonometry of the Parabola, and the Geometrical Origin of Logarithms ;-R. MacAndrew, Report

on the Marine Testaceous Mollusca of the North-east Atlantic and Neighbouring Seas, and the physical conditions affecting their development;-P. P. Carpenter, Report on the present state of our knowledge with regard to the Mollusca of the West Coast of North America ;T. C. Eyton, Abstract of First Report on the Oyster Beds and Oysters of the British Shores; -Prof. Phillips, Report on Cleavage and Foliation in Rocks, and on the Theoretical Explanations of these Phenomena: Part I.;--Dr. T. Wright on the Stratigraphical Distribution of the Oolitic Echinodermata ;-W. Fairbairn, on the Tensile Strength of Wrought Iron at various Temperatures;-C. Atherton, on Mercantile Steam Transport Economy ;-J. S. Bowerbank, on the Vital Powers of the Spongiada;--Report of a Committee upon the Experiments conducted at Stormontfield, near Perth, for the artificial propagation of Salmon ;-Provisional Report on the Measurement of Ships for Tonnage ;-On Typical Forms of Minerals, Plants and Animals for Museums;--J. Thomson, Interim Report on Progress in Researches on the Measurement of Water by Weir Boards;-R. Mallet, on Observations with the Seismometer;-A. Cayley, on the Progress of Theoretical Dynamics ;-Report of a Committee appointed to consider the formation of a Catalogue of Philosophical Memoirs.

Together with the Transactions of the Sections, Dr. Daubeny's Address, and Recommendations of the Association and its Committees.

PROCEEDINGS OF THE TWENTY-SEVENTH MEETING, at Dublin, 1857, Published at 15s.

CONTENTS:-A. Cayley, Report on the Recent Progress of Theoretical Dynamics;-Sixteenth and final Report of Committee on Experiments on the Growth and Vitality of Seeds; -James Oldham, C.E., continuation of Report on Steam Navigation at Hull;-Report of a Committee on 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;-Robert Were Fox, Report on the Temperature of some Deep Mines in Cornwall;-Dr. G. Plarr, De quelques Transformations de la Somme =α a2+131+18&|+1

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+1 yt +1 et +1, a étant entier négatif, et de quelques cas dans lesquels cette somme est exprimable par une combinaison de factorielles, la notation at +1 désignant le produit des t facteurs a (a+1) (a+2) &c....(a+t-1);-G. Dickie, M.D., Report on the Marine Zoology of Strangford Lough, County Down, and corresponding part of the Irish Channel;-Charles Atherton, 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 ;-J. S. Bowerbank, Further Report on the Vitality of the Spongiada;-John P. Hodges, M.D., on Flax ;-Major-General Sabine, Report of the Committee on the Magnetic Survey of Great Britain;-Rev. Baden Powell, Report on Observations of Luminous Meteors, 1856-57;-C. Vignoles, C.E., on the Adaptation of Suspension Bridges to sustain the passage of Railway Trains;-Professor W. A. Miller, M.D., on Electro-Chemistry; -John Simpson, R.N., Results of Thermometrical Observations made at the Plover's' Wintering-place, Point Barrow, latitude 71° 21' N., long. 156° 17′ W., in 1852-54;-Charles James Hargreave, LL.D., on the Algebraic Couple; and on the Equivalents of Indeterminate Expressions;-Thomas Grubb, Report on the Improvement of Telescope and Equatorial Mountings;-Professor James Buckman, Report on the Experimental Plots in the Botanical Garden of the Royal Agricultural College at Cirencester;-William Fairbairn on the Resistance of Tubes to Collapse ;-George C. Hyndman, Report of the Proceedings of the Belfast Dredging Committee;-Peter W. Barlow, on the Mechanical Effect of combining Girders and Suspension Chains, and a Comparison of the Weight of Metal in Ordinary and Suspension Girders, to produce equal deflections with a given load;-J. Park Harrison, M.A., Evidences of Lunar Influence on Temperature;-Report on the Animal and Vegetable Products imported into Liverpool from the year 1851 to 1855 (inclusive) ;-Andrew Henderson, Report on the Statistics of Life-boats and Fishing-boats on the Coasts of the United Kingdom.

Together with the Transactions of the Sections, Rev. H. Lloyd's Address, and Recommendations of the Association and its Committees.

PROCEEDINGS OF THE TWENTY-EIGHTH MEETING, at Leeds, September 1858, Published at 20s.

CONTENTS:-R. Mallet, Fourth Report upon the Facts and Theory of Earthquake Phenomena;- Rev. Prof. Powell, Report on Observations of Luminous Meteors, 1857-58;—R. H. Meade, on some Points in the Anatomy of the Araneidea or true Spiders, especially on the internal structure of their Spinning Organs ;-W. Fairbairn, Report of the Committee on the Patent Laws;-S. Eddy, on the Lead Mining Districts of Yorkshire ;-W. Fairbairn, on the

Collapse of Glass Globes and Cylinders;-Dr. E. Perceval Wright and Prof. J. Reay Greene, Report on the Marine Fauna of the South and West Coasts of Ireland ;-Prof. J. Thomson, on Experiments on the Measurement of Water by Triangular Notches in Weir Boards;-MajorGeneral Sabine, Report of the Committee on the Magnetic Survey of Great Britain;-Michael Connal and William Keddie, Report on Animal, Vegetable, and Mineral Substances imported from Foreign Countries into the Clyde (including the Ports of Glasgow, Greenock, and Port Glasgow) in the years 1853, 1854, 1855, 1856, and 1857;-Report of the Committee on Shipping Statistics;-Rev. H. Lloyd, D.D., Notice of the Instruments employed in the Magnetic Survey of Ireland, with some of the Results;-Prof. J. R. Kinahan, Report of Dublin Dredging Committee, appointed 1857-58;-Prof. J. R. Kinahan, Report on Crustacea of Dublin District;-Andrew Henderson, on River Steamers, their Form, Construction, and Fittings, with reference to the necessity for improving the present means of Shallow-Water Navigation on the Rivers of British India;-George C. Hyndman, Report of the Belfast Dredging Committee;-Appendix to Mr. Vignoles's paper "On the Adaptation of Suspension Bridges to sustain the passage of Railway Trains;"-Report of the Joint Committee of the Royal Society and the British Association, for procuring a continuance of the Magnetic and Meteorological Observatories;-R. Beckley, Description of a Self-recording Anemometer.

Together with the Transactions of the Sections, Prof. Owen's Address, and Recommendations of the Association and its Committees.

PROCEEDINGS OF THE TWENTY-NINTH MEETING, at Aberdeen, September 1859, Published at 15s.

CONTENTS:-George C. Foster, Preliminary Report on the Recent Progress and Present State of Organic Chemistry;-Professor Buckman, Report on the Growth of Plants in the Garden of the Royal Agricultural College, Cirencester;-Dr. A. Voelcker, Report on Field Experiments and Laboratory Researches on the Constituents of Manures essential to cultivated Crops;-A. Thomson, Esq. of Banchory, Report on the Aberdeen Industrial Feeding Schools; On the Upper Silurians of Lesmahago, Lanarkshire ;-Alphonse Gages, Report on the Results obtained by the Mechanico-Chemical Examination of Rocks and Minerals ;-William Fairbairn, Experiments to determine the Efficiency of Continuous and Self-acting Breaks for Railway Trains;-Professor J. R. Kinahan, Report of Dublin Bay Dredging Committee for 1858-59;-Rev. Baden Powell, Report on Observations of Luminous Meteors for 1858-59; -Professor Owen, Report on a Series of Skulls of various Tribes of Mankind inhabiting Nepal, collected, and presented to the British Museum, by Bryan H. Hodgson, Esq., late Resident in Nepal, &c. &c. ;-Messrs. Maskelyne, Hadow, Hardwich, and Llewelyn, Report on the Present State of our Knowledge regarding the Photographic Image ;-G. C. Hyndman, Report of the Belfast Dredging Committee for 1859;-James Oldham, Continuation of Report of the Progress of Steam Navigation at Hull;-Charles Atherton, Mercantile Steam Transport Economy as affected by the Consumption of Coals;-Warren de la Rue, Report on the present state of Celestial Photography in England;-Professor Owen, on the Orders of Fossil and Recent Reptilia, and their Distribution in Time;-Balfour Stewart, on some Results of the Magnetic Survey of Scotland in the years 1857 and 1858, undertaken, at the request of the British Association, by the late John Welsh, Esq., F.R.S.;-W. Fairbairn, The Patent Laws: Report of Committee on the Patent Laws;-J. Park Harrison, Lunar Influence on the Temperature of the Air;-Balfour Stewart, an Account of the Construction of the Self-recording Magnetographs at present in operation at the Kew Observatory of the British Association;— Prof. H. J. Stephen Smith, Report on the Theory of Numbers, Part I.;-Report of the Committee on Steamship performance;-Report of the Proceedings of the Balloon Committee of the British Association appointed at the Meeting at Leeds ;-Prof. William K. Sullivan, Preliminary Report on the Solubility of Salts at Temperatures above 100o Cent., and on the Mutual Action of Salts in Solution.

Together with the Transactions of the Sections, Prince Albert's Address, and Recommendations of the Association and its Committees.

PROCEEDINGS OF THE THIRTIETH MEETING, at Oxford, June and July 1860, Published at 15s.

CONTENTS:-James Glaisher, Report on Observations of Luminous Meteors, 1859–60;— J. R. Kinahan, Report of Dublin Bay Dredging Committee;-Rev. J. Anderson, Report on the Excavations in Dura Den ;-Professor Buckman, Report on the Experimental Plots in the Botanical Garden of the Royal Agricultural College, Cirencester ;-Rev. R. Walker, Report of the Committee on Balloon Ascents;-Prof. W. Thomson, Report of Committee appointed to prepare a Self-recording Atmospheric Electrometer for Kew, and Portable Apparatus for oberving Atmospheric Electricity ;-William Fairbairn, Experiments to determine the Effect of

Vibratory Action and long-continued Changes of Load upon Wrought-iron Girders ;-R. P. Greg, Catalogue of Meteorites and Fireballs, from A.D. 2 to A.D. 1860 ;-Prof. H. J. S. Smith, Report on the Theory of Numbers, Part II.;-Vice-Admiral Moorsom, on the Performance of Steam-vessels, the Functions of the Screw, and the Relations of its Diameter and Pitch to the Form of the Vessel;-Rev. W. V. Harcourt, Report on the Effects of long-continued Heat, illustrative of Geological Phenomena ;-Second Report of the Committee on Steamship Performance ;-Interim Report on the Gauging of Water by Triangular Notches ;-List of the British Marine Invertebrate Fauna.

Together with the Transactions of the Sections, Lord Wrottesley's Address, and Recommendations of the Association and its Committees.

PROCEEDINGS OF THE THIRTY-FIRST MEETING, at Manchester, September 1861, Published at £1.

CONTENTS:-James Glaisher, Report on Observations of Luminous Meteors ;-Dr. E. Smith, Report on the Action of Prison Diet and Discipline on the Bodily Functions of Prisoners, Part I.;-Charles Atherton, on Freight as affected by Differences in the Dynamic Properties of Steamships;-Warren De la Rue, Report on the Progress of Celestial Photography since the Aberdeen Meeting;-B. Stewart, on the Theory of Exchanges, and its recent extension;-Drs. E. Schunck, R. Angus Smith, and H. E. Roscoe, on the Recent Progress and Present Condition of Manufacturing Chemistry in the South Lancashire District;Dr. J. Hunt, on Ethno-Climatology; or, the Acclimatization of Man ;-Prof. J. Thomson, on Experiments on the Gauging of Water by Triangular Notches;-Dr. A. Voelcker, Report on Field Experiments and Laboratory Researches on the Constituents of Manures essential to cultivated Crops ;-Prof. H. Hennessy, Provisional Report on the Present State of our Knowledge respecting the Transmission of Sound-signals during Fogs at Sea;-Dr. P. L. Sclater and F. von Hochstetter, Report on the Present State of our Knowledge of the Birds of the Genus Apteryx living in New Zealand ;-J. G. Jeffreys, Report of the Results of Deep-sea Dredging in Zetland, with a Notice of several Species of Mollusca new to Science or to the British Isles;-Prof. J. Phillips, Contributions to a Report on the Physical Aspect of the Moon;-W. R. Birt, Contribution to a Report on the Physical Aspect of the Moon;-Dr. Collingwood and Mr. Byerley, Preliminary Report of the Dredging Committee of the Mersey and Dee;-Third Report of the Committee on Steamship Performance ;-J. G. Jeffreys, Preliminary Report on the Best Mode of preventing the Ravages of Teredo and other Animals in our Ships and Harbours;-R. Mallet, Report on the Experiments made at Holyhead to ascertain the Transit-Velocity of Waves, analogous to Earthquake Waves, through the local Rock Formations ;-T. Dobson, on the Explosions in British Coal-Mines during the year 1859; -J. Oldham, Continuation of Report on Steam Navigation at Hull;-Professor G. Dickie, Brief Summary of a Report on the Flora of the North of Ireland ;-Professor Owen, on the Psychical and Physical Characters of the Mincopies, or Natives of the Andaman Islands, and on the Relations thereby indicated to other Races of Mankind;-Colonel Sykes, Report of the Balloon Committee;-Major-General Sabine, Report on the Repetition of the Magnetic Survey of England;-Interim Report of the Committee for Dredging on the North and East Coasts of Scotland;-W. Fairbairn, on the Resistance of Iron Plates to Statical Pressure and the Force of Impact by Projectiles at High Velocities;-W. Fairbairn, Continuation of Report to determine the effect of Vibratory Action and long-continued Changes of Load upon Wrought-Iron Girders;-Report of the Committee on the Law of Patents;-Prof. H. J. S. Smith, Report on the Theory of Numbers, Part III.

Together with the Transactions of the Sections, Mr. Fairbairn's Address, and Recommendations of the Association and its Committees.

PROCEEDINGS OF THE THIRTY-SECOND MEETING, at Cambridge, October 1862, Published at £1.

CONTENTS:-James Glaisher, Report on Observations of Luminous Meteors, 1861-62;-G. B. Airy, on the Strains in the Interior of Beams;-Archibald Smith and F. J. Evans, Report on the three Reports of the Liverpool Compass Committee;-Report on Tidal Observations on the Number ;-T. Aston, on Rifled Guns and Projectiles adapted for Attacking Armour-plate Defences;-Extracts, relating to the Observatory at Kew, from a Report presented to the Portuguese Government, by Dr. J. A. de Souza ;-H. T. Mennell, Report on the Dredging of the Northumberland Coast and Dogger Bank;-Dr. Cuthbert Collingwood, Report upon the best means of advancing Science through the agency of the Mercantile Marine;-Messrs. Williamson, Wheatstone, Thomson, Miller, Matthiessen, and Jenkin, Provisional Report on Standards of Electrical Resistance ;-Preliminary Report of the Committce for investigating the Chemical and Mineralogical Composition of the Granites of Do

negal;-Prof. H. Hennessy, on the Vertical Movements of the Atmosphere considered in connexion with Storms and Changes of Weather ;-Report of Committee on the application of Gauss's General Theory of Terrestrial Magnetism to the Magnetic Variations ;-Fleeming Jenkin, on Thermo-electric Currents in Circuits of one Metal;-W. Fairbairn, on the Mechanical Properties of Iron Projectiles at High Velocities;-A. Cayley, Report on the Progress of the Solution of certain Special Problems of Dynamics ;-Prof. G. G. Stokes, Report on Double Refraction;-Fourth Report of the Committee on Steamship Performance ;G. J. Symons, on the Fall of Rain in the British Isles in 1860 and 1861;-J. Ball, on Thermometric Observations in the Alps ;-J. G. Jeffreys, Report of the Committee for Dredging on the N. and E. Coasts of Scotland;-Report of the Committee on Technical and Scientifie Evidence in Courts of Law ;-James Glaisher, Account of Eight Balloon Ascents in 1862;— Prof. H. J. S. Smith, Report on the Theory of Numbers, Part IV.

Together with the Transactions of the Sections, the Rev. Prof. R. Willis's Address, and Recommendations of the Association and its Committees.

PROCEEDINGS OF THE THIRTY-THIRD MEETING, at Newcastle-upon-Tyne, August and September 1863, Published at £1 5s.

CONTENTS:-Report of the Committee on the Application of Gun-cotton to Warlike Purposes;-A. Matthiessen, Report on the Chemical Nature of Alloys;-Report of the Committee on the Chemical and Mineralogical Constitution of the Granites of Donegal, and of the Rocks associated with them;-J. G. Jeffreys, Report of the Committee appointed for Exploring the Coasts of Shetland by means of the Dredge;-G. D. Gibb, Report on the Physiological Effects of the Bromide of Ammonium ;-C. K. Aken, on the Transmutation of Spectral Rays, Part I.:-Dr. Robinson, Report of the Committee on Fog Signals;-Report of the Committee on Standards of Electrical Resistance ;-E. Smith, Abstract of Report by the Indian Government on the Foods used by the Free and Jail Populations in India ;-A. Gages, Synthetical Researches on the Formation of Minerals, &c.;-R. Mallet, Preliminary Report on the Experimental Determination of the Temperatures of Volcanic Foci, and of the Temperature, State of Saturation, and Velocity of the issuing Gases and Vapours ;-Report of the Committee on Observations of Luminous Meteors;-Fifth Report of the Committee on Steamship Performance ;-G. J. Allman, Report on the Present State of our Knowledge of the Reproductive System in the Hydroida;-J. Glaisher, Account of Five Balloon Ascents made in 1863;-P. P. Carpenter, Supplementary Report on the Present State of our Knowledge with regard to the Mollusca of the West Coast of North America;-Professor Airy, Report on Steam-boiler Explosions;-C. W. Siemens, Observations on the Electrical Resistance and Electrification of some Insulating Materials under Pressures up to 300 Atmospheres;-C. M. Palmer, on the Construction of Iron Ships and the Progress of Iren Shipbuilding on the Tyne, Wear, and Tees ;-Messrs. Richardson, Stevenson, and Clapham, on the Chemical Manufactures of the Northern Districts;-Messrs. Sopwith and Richardson, on the Local Manufacture of Lead, Copper, Zinc, Antimony, &c.;-Messrs. Daglish and Forster, on the Magnesian Limestone of Durham :-I. L. Bell, on the Manufacture of Iron in connexion with the Northumberland and Durham Coal-field;-T. Spencer, on the Manufacture of Steel in the Northern District;-H. J. S. Smith, Report on the Theory of Numbers, Part V.

Together with the Transactions of the Sections, Sir William Armstrong's Address, and Recommendations of the Association and its Committees.

PROCEEDINGS OF THE THIRTY-FOURTH MEETING, at Bath, September 1864. Published at 18s.

CONTENTS:-Report of the Committee for Observations of Luminous Meteors ;-Report of the Committee on the best means of providing for a Uniformity of Weights and Measures;-T. S. Cobbold, Report of Experiments respecting the Development and Migration of the Entozoa;-B. W. Richardson, Report on the Physiological Action of Nitrite of Amyl; -J. Oldham, Report of the Committee on Tidal Observations ;-G. S. Brady, Report on deep-sea Dredging on the Coasts of Northumberland and Durham in 1864;—J. Glaisher, Account of Nine Balloon Ascents made in 1863 and 1864;-J. G. Jeffreys, Further Report on Shetland Dredgings ;-Report of the Committee on the Distribution of the Organic Remains of the North Staffordshire Coal-field;-Report of the Committee on Standards of Electrical Resistance;-G. J. Symons, on the Fall of Rain in the British Isles in 1862 and 1863;-W. Fairbairn, Preliminary Investigation of the Mechanical Properties of the proposed Atlantic Cable.

Together with the Transactions of the Sections, Sir Charles Lyell's Address, and Recommendations of the Association and its Committees.