1892-93.] 
Meetings of the Soeiety. 
501 
2. Obituary Notice of the late Sheriff Forbes Irvine. By Sheriff 
^Eneas Mackay. P. xix. xxiii. 
3. A New Solution of Sylvester’s Problem of the Three Ternary 
Equations. By the Hon. Lord McLaren. P. xix. 264. 
4. On some Observations made, without a Dust-Counter, on the 
Hazing Effects of Atmospheric Dust. By John Aitken, E.R.S. P. 
XX. 76. 
5. Induction through Air and Water, at great distances, without the 
use of Parallel Wires. By C. A. Stevenson, M.Inst.C.E. P. xx. 25. 
Monday, 6Pi February 1893. 
Sir Arthur Mitchell, K.C.B., Vice-President, in the Chair. 
The following Communications were read : — 
1. On the Particles in Fogs and Clouds. By John Aitken, F.R.S. 
T. xxxvii. 413. P. xix. 260 {Abstract). 
2. On a New Apparatus for Counting Bacterial Colonies in Roll 
Cultures. By J. Buchanan Young, M.B., B.Sc. From the Public 
Health Laboratory of the University of Edinburgh. Communicated 
by Sir Douglas Maclagan. P. xx. 28. 
3. Preliminary Note on the Hygrometric State of the Atmosphere at 
Ben Nevis Observatory. By Mr A. J, Herbertson. Communicated 
by Dr Buchan. P. xx. 177. 
4. On Properties of the Parabola. By Professor Anglin. P. xx. 35. 
The following Candidates for Fellowship were balloted for, and 
declared duly elected Fellows of the Society : — 
Dr Frederick W. Barry. 
Arthur George Perkin, Esq. 
R. S. Fancourt Barnes, M.D. 
Patrick Hehir, M.D. 
Monday, '2,0th February 1893. 
The Hon. Lord M‘Laren, Vice-President, in the Chair. 
The following Communications were read : — 
1. On the Structure of the Eurypteridcc. By Malcolm Laurie, B.A. 
Communicated by Dr Ramsay Traquair. T. xxxvii. 509. 
2. On the Early History of some Scottish Mammals and Birds. By 
the Rev. Professor Duns, P. xx. 50. 
3. On the Digestion of Sugar in Health. By W. G. Aitchison 
Robertson, M.D., D.Sc. Communicated by Professor Rutherford. 
From the Physiological Laboratory of the University of Edinburgh. 
P. XX. 30 {Abstract). 
