973 



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, Eeport on the Dredging of the Northumberland Coast 

 and Dogger Bank ; — Dr. Cuthbert CoUingwood, 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 Eeport 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 Therm ometric Observations in the Alps ; — J. G. 

 Jeffreys, Report of the Committee for Dredging on the North and East Coasts of 

 Scotland ; — 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 

 ef 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, Eeport 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 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- 

 vations 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 Iron 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 Lime- 

 stone 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 ; — Prof. 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 op the THIRTY-FOURTH MEETING, at Bath, 

 September 1864, PuhlisJied 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 



