514 
Proceedings of Royal Society of Edinburgh. 
SESS. 
SEVENTH ORDINARY MEETING. 
Monday , ls£ March 1897. 
The Right Hon. Lord Kelvin, President, in the Chair. 
The following Communications were read : — 
1. The Chairman showed Models illustrating the Dynamical Theory 
of Hemihedral Crystals. 
2. On the Meteorology of Edinburgh, Part II. By Mr R. C. 
Mossman. Trans, xxxix. pp. 63-207. 
3. On the Linear and Vector Function. By Professor Tait. 
pp. 310-312. 
4. By permission of the Meeting. On the Influence of Rontgen Rays 
in respect to Electric Conduction through Air, Paraffin, and Glass. By 
the President, Dr J. C. Beattie, and Dr Smoluchowski de Smolan. 
pp. 403-406. 
5. By permission of the Meeting. On Electric Equilibrium between 
Uranium and an insulated Metal in its neighbourhood. By the 
President, Dr J. C. Beattie, and Dr Smoluchowski de Smolan. 
pp. 417-428. 
Mr Walter Biggar Blaikie, Dr John Carruthers Beattie, 
Dr Harry Rainy, Dr Richard J. Berry, Dr Thomas Duncan 
Greenlees, Dr Alexander Cruiksiiank Houston, and Mr W. 
Owen Williams, were balloted for and declared duly elected Fellows 
of the Society. 
Alexander Agassiz, E.-H. Amagat, Stanislao Cannizzaro, 
Gabriel Lippmann, Fridtjof Nansen, Ferdinand von Richthofen, 
Henry A. Rowland, Giovanni Y. Schiaparelli, and Ferdinand 
Zxrkel were, on the proposal of the Council, balloted for and 
declared duly elected Foreign Honorary Fellows of the Society. 
EIGHTH ORDINARY MEETING. 
Monday, 15 th March 1897. 
The Right Hon. Lord Kelvin, President, in the Chair. 
Dr James Buchanan Young, Mr W. B. Blairie, Dr Harry 
Rainy, and Dr Richard J. Berrv, were admitted Fellows of the 
Society. 
The following Communications were read : — 
1. On Deaf Mutism and its Prevention. By James Kerr Love, M.D. 
Communicated by Professor M ‘Kendrick, F.R.S. 
