Proceedings at the Meetings. 301 
The following were elected Fellows of the Society : 
J. W. Lesley, B.A., Emmanuel College. 
J. T. Saunders, B.A., Christ’s College. 
P. G. M. Dunlop, M.A., Gonville and Caius College. 
The following were elected Associates : 
J. K. Robertson, Emmanuel College. 
S. N. Maitra, Emmanuel College. 
The following Communications were made : 
: 1. Anthropometric data collected by Professor Stanley Gardiner 
~ in the Maldive Islands. By Dr Duckworru. 
2. Preliminary Note on the Inheritance of Self-Sterility in Reseda 
odorata. By R. H. Compton, M.A., Gonville and Caius College. 
3. The effects of hypertonic solutions upon the eggs of Hchinus. 
By J. Gray, B.A., King’s College. (Communicated by Mr F. A. Potts.) 
4, Pulsus alternans. By G. R. Mines, M.A., Sidney Sussex 
College. 
November 11th, 1912. 
In the Cavendish Laboratory. 
Proressor Sir J. J. THOMSON, IN THE CHAIR. 
The following were elected Associates : 
G. B. Hony, Christ’s College. 
H. Smith, Emmanuel College. 
The following Communications were made: 
1. On the theory of the motion of charged ions through gases. 
By Professor Sir J. J. THomson. 
2. On a simple method of determining the viscosity of air. By 
Dr G. F. C. Searue, Peterhouse. 
3. Note on the Réntgen Radiation from Cathode particles tra- 
versing a gas. By R. Wurppineroy, M.A., St John’s College. 
4. The Diffraction of Short Electromagnetic Waves by a Crystal. 
By W. L. Braae, B.A., Trinity College. (Communicated by Professor 
Sir J. J. Thomson.) 
5. Experiments on the Electrical Discharge in Helium and Neon. 
By H. E. Watson. (Communicated by Professor Sir J. J. Thomson.) 
VOL. XVII. PT. III. 20 
