176 Proceedings at the Meetings. 



November 28th, 1904. 



In the Optical Lecture Room. 



Professor Marshall Ward, President, in the Chair. 



The following were elected Fellows of the Society : 



J. J. E. Durack, B.A., Trinity College. 



W. G. Fearnsides, M.A., Sidney Sussex College. 



The following was elected an Associate of the Society : 



H. N. Russell, King's College. 



The following Communications were made : 



1. Remarks on Piroplamiosis with exhibition of specimens. By 

 G. H. F. Nuttall, M.A., Christ's College. 



2. Exhibition of new and rare Arachnids taken near Cambridge. 

 By C. Warburton, M.A., Christ's College, and K D. F. Pearce, M.A., 

 Trinity College. 



3. The Inheritance of Tortoiseshell and other Colours in Cats. 

 By L. Doncaster, M.A., King's College. 



January 30^, 1905. 



In the Cavendish Laboratory. 



Professor Marshall Ward, President, in the Chair. 



The following were elected Fellows of the Society : 



B. Hopkinson, M.A., Trinity College, Professor of Mechanism and 



Applied Mechanics. 

 S. A. McDowell, B.A., Trinity College. 



The following Communications were made : 



1. On the non-electrification of y-rays. By J. J. Thomson, M.A., 

 Cavendish Professor of Experimental Physics. 



2. Are metals made radio-active by the influence of Radium radia- 

 tion? By J. J. Thomson, M.A., Cavendish Professor of Experimental 



Physics. 



3. Note on the positive leak from hot Platinum in Air. By 

 O. W. Richardson, M.A., Trinity College. 



