60 Drs. J. P. Kuenen and W. W. Randall. [Nov. 28, 



November 28, 1895. 



The LORD KELVIN, D.C.L., LL.D., President, in the Chair. 



A List of the Presents received was laid on the table, and thanks- 

 ordered for them. 



In pursuance of the Statutes, notice of the ensuing Anniversary 

 Meeting was given from the Chair, and the list of Officers and Council 

 nominated for election was read as follows : — 



President.— Sir Joseph Lister, Bart,, F.R.C.S., D.C.L. 



Treasurer.— Sir John Evans, K.C.B., D.C.L., LL.D. 



J Professor Michael Poster, MA., M.D. 

 becretanes.— ^ The Lord Rayleigllj M A j D>C-L . 



Foreign Secretary. — Edward Frankland, D.C.L., LL.D. 



Other Members of the Council. — William Crookes, F.C.S. ; Sir Joseph 

 Fayrer, K. C.S.I. ; Lazarus Fletcher, M.A. ; Walter Holbrook Gaskell, 

 M.D. ; William Huggins, D.C.L. ; The Lord Kelvin, D.C.L. ; Pro- 

 fessor Alexander B. W. Kennedy, LL.D. ; Professor Horace Lamb y 

 M.A. ; Professor Edwin Ray Lankester, M.A. ; Professor Charles 

 Lapworth, LL.D.; Major Percy Alexander MacMahon, R.A.; Pro- 

 fessor John Henry Poyuting, D.Sc. ; Professor Arthur William 

 Riicker, M.A. ; Osbert Salvin, M.A. ; Professor Harry Marshall 

 Ward, D.Sc. ; Admiral William James Lloyd Wharton, C.B. 



The following Papers were read : — 



I. " The Expansion of Argon and of Helium as compared with 

 that of Air and Hydrogen." By J. P. Kuenex, Ph.D., 

 Professor of Physics in University College, Dundee, and 

 W. W. Randall, Ph.D., Lecturer in Johns Hopkins 

 University, Baltimore, U.S.A. Communicated by Professor 

 Ramsay, F.R.S. Received November 14, 1895. 



Accurate comparisons of temperatures, as read with the aid of 

 thermometers filled with different gases, have not often been made. 

 The history of the subject may be said to have begun with the 

 classical researches of Regnault.* Of recent work of this kind, that 



* ' Kelation des Experiences,' &c, 1847-62. 



