Animals;-Ninth Report of Committee on Experiments on the Growth and Vitality of Seeds; -F. Ronalds, Report concerning the Observatory of the British Association at Kew, fron Aug. 9, 1848 to Sept. 12, 1849;-R. Mallet, Report on the Experimental Inquiry on Railway Bar Corrosion;-W. R. Birt, Report on the Discussion of the Electrical Observations at Kew. Together with the Transactions of the Sections, the Rev. T. R. Robinson's Address, and Recommendations of the Association and its Committees.

PROCEEDINGS OF THE TWENTIETH MEETING, at Edinburgh, 1850, Published at 15s. (Out of Print.)

CONTENTS:-R. Mallet, First Report on the Facts of Earthquake Phenomena;-Rev. Prof. Powell, on Observations of Luminous Meteors;-Dr. T. Williams, on the Structure and History of the British Annelida;—T. C. Hunt, Results of Meteorological Observations taken at St. Michael's from the 1st of January, 1840 to the 31st of December, 1849;-R. Hunt, on the present State of our Knowledge of the Chemical Action of the Solar Radiations ;-Tenth Report of Committee on Experiments on the Growth and Vitality of Seeds;-Major-Gen. Briggs, Repoft on the Aboriginal Tribes of India;-F. Ronalds, Report concerning the Observatory of the British Association at Kew ;-E. Forbes, Report on the Investigation of British Marine Zoology by means of the Dredge;-R. MacAndrew, Notes on the Distribution and Range in depth of Mollusca and other Marine Animals, observed on the coasts of Spain, Portugal, Barbary, Malta, and Southern Italy in 1849;-Prof. Allman, on the Present State of our Knowledge of the Freshwater Polyzoa;-Registration of the Periodical Phenomena of Plants and Animals ;-Suggestions to Astronomers for the Observation of the Total Eclipse of the Sun on July 28, 1851.

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

PROCEEDINGS OF THE TWENTY-FIRST MEETING, at Ipswich, 1851, Published at 16s. 6d.

CONTENTS:-Rev. Prof. Powell, on Observations of Luminous Meteors;-Eleventh Report of Committee on Experiments on the Growth and Vitality of Seeds ;-Dr. J. Drew, on the Climate of Southampton ;-Dr. R. A. Smith, on the Air and Water of Towns: Action of Porous Strata, Water and Organic Matter;-Report of the Committee appointed to consider the probable Effects in an Economical and Physical Point of View of the Destruction of Tropical Forests;-A. Henfrey, on the Reproduction and supposed Existence of Sexual Organs in the Higher Cryptogamous Plants;-Dr. Daubeny, on the Nomenclature of Organic Compounds;-Rev. Dr. Donaldson, on two unsolved Problems in Indo-German Philology ;Dr. T. Williams, Report on the British Annelida;-R. Mallet, Second Report on the Facts of Earthquake Phenomena;-Letter from Prof. Henry to Col. Sabine, on the System of Meteorological Observations proposed to be established in the United States;-Col. Sabine, Report on the Kew Magnetographs ;-J. Welsh, Report on the Performance of his three Magnetographs during the Experimental Trial at the Kew Observatory ;-F. Ronalds, Report concerning the Observatory of the British Association at Kew, from September 12, 1850 to July 31, 1851;-Ordnance Survey of Scotland.

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

PROCEEDINGS OF THE TWENTY-SECOND MEETING, at Belfast, 1852, Published at 15s.

CONTENTS:-R. Mallet, Third Report on the Facts of Earthquake Phenomena;-Twelfth Report of Committee on Experiments on the Growth and Vitality of Seeds;-Rev. Prof. Powell, Report on Observations of Luminous Meteors, 1851-52;-Dr. Gladstone, on the Influence of the Solar Radiations on the Vital Powers of Plants ;-A Manual of Ethnological Inquiry; Col. Sykes, Mean Temperature of the Day, and Monthly Fall of Rain at 127 Stations under the Bengal Presidency ;-Prof. J. D. Forbes, on Experiments on the Laws of the Conduction of Heat;-R. Hunt, on the Chemical Action of the Solar Radiations;-Dr. Hodges, on the Composition and Economy of the Flax Plant;-W. Thompson, on the Freshwater Fishes of Ulster;-W. Thompson, Supplementary Report on the Fauna of Ireland;—W. Wills, on the Meteorology of Biriningham;-J. Thomson, on the Vortex-Water-Wheel;--J. B. Lawes and Dr. Gilbert, on the Composition of Foods in relation to Respiration and the Feeding of Animals.

Together with the Transactions of the Sections, Colonel Sabine'. Address, and Recont mendations of the Association and its Committees.

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 158.

CONTENTS:T. 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 or THE TWENTY-SIXTH MEETING, at Cheltenham, 1856, Published at 188.

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 Cbservations 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 Geon.etrical 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 Expla nations 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 con sider 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 1=α all +1ßt + 18t'+1

0

ΣΕ It + lyt + 1et+ 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 Sporgiada;—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. II. 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 Cominittee on Shipping Statistics;-Rev. H. Lloyd, D.D., Notice of the Instruments einployed 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 Nunibers, 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 100° 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 observing 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 Sinith, 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 Recominendations 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 Humber;-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 Committee for investigating the Chemical and Mineralogical Composition of the Granites of Do