378 Proceedings at the Meetings. 



Treasurer : 

 Mr H. F. Newall. 



Secretaries : 



Mr H. F. Baker. 

 Mr A. E. Shipley. 

 Mr L. R. Wilberforce. 



Other Members of the Council: 



Mr A. Harker. 



Mr A. Hutchinson. 



Professor Liveing. 



Mr S. Skinner. 



Dr H. Gadow. 



Mr D. Sharp. 



Professor J. J. Thomson. 



Mr A. Berry. 



Sir G. G. Stokes. 



Mr W. Bateson. 



Mr A. C. Seward. 



Mr G. T. Walker. 



The following Communications were made : 



1. On semi-convergent series. By W. M°F. Oer, M.A., St John's 



College. 



2. An experiment on the condensation of clouds. By C. T. R. 

 Wilson, M.A., Sidney Sussex College. 



3. Conductivity of Gases from arcs and incandescent wires. By 

 J. A. M c Clelland, M.A., Trinity College. 



4. On the Secondary Rontgen Rays. By J. S. E. Townsend, B.A., 

 Trinity College. 



November 13th, 1899. 



In the Cavendish Laboratory. 



Mr J. Larmor, President, in the Chair. 



The following was elected an Associate, having been nominated by 

 the Council : 



L. N. G. Filon, King's College. 



