745 



Dredging on the North and East Coasts of Scotland ; — W. Fairbairn, on the Resist- 

 ance 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. IS. Smith, Report on 

 the Theory of Numbers, Part III. 



Together with the Transactions of the Sections, Mr. Fairbairn 's Address, and Re- 

 commendations of the Association and its Committees. 



PROCEEDINGS of the THIRTY-SECOND MEETING at Cam- 

 bridge, 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 Observa- 

 tory 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 ad- 

 vancing Science through the agency of the Mercantile Marine ; — Messrs. Williamson, 

 Wheatstone, Thomson, Miller, Matthiessen, and Jenkin, Provisional Report on Stan- 

 dards of Electrical Resistance; — Preliminary Report of the Committee for investiga- 

 ting the Chemical and Mineralogical Composition of the Granites of Donegal ;— Prof. 

 H. Hennessy, on the Vertical Movements of the Atmosphere considered in connec- 

 tion 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. Fair- 

 bairn, on the Mechanical Properties of Iron Projectiles at High Velocities ; — A. Cay- 

 ley, 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. Jef- 

 freys, Report of the Committee for Dredging on the North and East Coasts of Scot- 

 land ; — Report of the Committee on Technical and Scientific 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 New- 

 castle-upon-Tyne, August and September 1863, Published at £1 5s. 



Contents :— Report of the Committee on the Application of Gun-cotton to War- 

 like 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 on the Rocks associated with them ; — J. G. Jeffreys, Report of the Com- 

 mittee 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 

 Commit tee 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 Experi- 

 mental 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 Know- 

 ledge of the Reproductive System in the Hydroida ;— J. Glaisher, Account of Five Bal- 

 loon 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;— Prof. Airy, Report on Steam Boiler Explosions ;— C. W. Siemens, Obser- 



