PROCEEDINGS OF 

 THE ROYAL SOCIETY. 



vol. lxi. No. 374. 



contents; 



PAGE 



Meeting of May 13, 1897, with Names of Candidates recommended for Election 



and List of Papers read 266 



" An Attempt to cause Helium or Argon to pass through Ked-hot Palladium, 

 ' Platinum, or Iron." By William Ramsay, E.R.S., and Moeeis W. 

 Tbavebs 267 



" On the Negative After-images following brief Retinal Excitation." By 



Shelpobd Bidwell, M.A., LL.B., F.R.S 268 



" A Dynamical Theory of the Electric and Luminiferous Medium. Part III. 

 Relations with Material Media." By Joseph Laemoe, E.R.S., Eellow 

 of St. John's College, Cambridge 272 



" On a new Method of determining the "Vapour Pressures of Solutions." By 

 E. B. H. Wade, B.A., Scholar and Coutts -Trotter Student of Trinity 

 College, Cambridge. Communicated by Professor J. J. Thomson, 

 E.R.S 285 



" On the Passage of Heat between Metal Surfaces and Liquids in contact 

 with them." By T. E. Stanton, M.Sc. Communicated by Professor 

 Osboene Reynolds, F.R.S 287 



" On the Magnetisation Limit of Iron." By Heney Wilde, E.R.S. . .291 



Meeting of May 20, 1897. 



Bakeeian Lecttjee. — "On the Mechanical Equivalent of Heat." By 

 Osboene Reynolds, M.A., E.R.S., Professor of Engineering, Owens 

 College, and W. H. Modbbv. 293 



June 5, 1897. 



Price One Shilling, 



