THE BAKERIAN LECTUR1 281 



1888. J. Norman Lockyer. 



< Suggestions on the Classification of the various Specie* of Heavenly Bodien. 

 A Report to the Solar Physics Committee.' Proceeding!, vol. 44. 



1889. Arthur William Riicker and Thomas Edward Thorpe. 



' A Magnetic Survey of the British Isles for the Epoch January 1, 1883.' 



IM.il. Traiw., A, vol. 181. 



1890. Arthur Schuster. 



' The Discharge of Electricity through Gams. Preliminary ( .mimunira- 



Proceeding*, vol 17. 



1891. George Howard Darwin. 



' On Tidal Prediction/ Phil. Tranii., A, voL 182. 



1892. James Thomson. 



' On the Grand Currents of Atmospheric Circulation.' 



Phil. Trans., A, vol. 183. 



1893. Harold B. Dixon. 



' The Rate of Explosion in Gases.' Phil. Trans., A, vol. 184. 



1894. Thomas Edward Thorpe and J. W. Rodger. 



t On the Relations between the Viscosity (internal friction) of Liquids and 

 their Chemical Nature.' Phil. Trans., A, vol. 186. 



1895. A. G. Vernon Harcourt and William Esson. 



f On the Laws of Connexion between the Conditions of a Chemical Change 

 and its Amount. III. Further Researches on the Reaction of Hydrogen 

 Dioxide and Hydrogen Iodide.' Phil. Trans., A, 1895. 



1896. William Chandler Roberts- Austen. 



' On the Diffusion of Metals.' Phil. Trans., A, 1896. 



1897. Osborne Reynolds and W. H. Moorby. 



' On the Mechanical Equivalent of Heat.' Phil. Trans., A, vol. 190. 



1898. William James Russell. 



' Further Experiments on the Action exerted by certain Metals and other 

 Bodies on a Photographic Plate.' Proceedings, rol. 63. 



1899. James Alfred Ewing and W. Rosenhain. 



1 The Crystalline Structure of Metals.' Phil. Trans., A, voL 193. 



1900. William Augustus Tilden. 



' On the Specific Heat of Metals and the Relation of Specific Heat to Atomic 

 Weight.' Phil- Trans., A, vol. 194. 



1901. James Dewar. 



'The Nadir of Temperature and Allied Problems.' 



Proceedings, vol. 68 (Abstract). 



1902. Lord Rayleigh. 



< On the Law of the Pressure of Gases between 75 and 150 Millimetres of 

 Mercury.' Phil. Trans., A, vol. 198. 



1903. C. T. Heycock and F. H. Neville. 



' On the Constitution of the Copper-tin Series of Alloys/ 



Phil. Trans., A, vol. 202. 



