1917-18.] 
Meetings of the Society. 
231 
PROCEEDINGS OF THE ORDINARY MEETINGS, 
Session 1917-1918. 
FIRST ORDINARY MEETING. 
Monday, November 5, 1917. 
Dr John Horne, F.R. S., F.G.S. , President, in the Chair. 
The President opened the Session with a short Address on Recent Developments of the Com- 
mittee of the Privy Council for Scientific and Industrial Research. 
The President referred to the valuable work of Dr Sutherland Black in association with the 
cataloguing of the Library, and to the assistance of the Carnegie Trust in the publication of 
scientific papers. 
The following Communications were read : — - 
1. Period of Survival of the Shore-crab ( Carcinus mcenas) in Distilled Water. By R. K. S. 
Lim. Communicated by Sir E. A. Schafer. 
2. Note on a Fire-ball seen at Philpstoun House, Abercorn. By Mr A. Agnkw Ralston. 
Communicated by Mr W. A. Tait. 
Mr R. W. Dron signed the Roll, and was duly admitted a Fellow of the Society. 
SECOND ORDINARY MEETING. 
Monday, December 3, 1917. 
Dr John Horne, F. R. S., F.G.S., President, in the Chair. 
The following Communications were read : — 
1. Obituary Notice of the late Benjamin Hall Blyth, C.E. By W. A. Tait, D.Sc. 
2. Note on the Hydrolysis of Acid Sodium Sulphate. By Principal A. P. Laurie, D.Sc., and 
Andrew King, M.A. 
3. The Absence of a Nucleus in Crystals of Uric Acid. By Dr W. Wright Wilson. 
4. The Thermodynamics of Adsorption. By A. M. Williams, M.A., B.Sc. Communicated 
by Professor James Walker, F.R.S. 
5. Experiments on the Respiratory Mechanism of the Shore-crab ( Carcinus mcenas). By 
R. K. S. Lim. Communicated by Sir E. A. Schafer, F.R.S. 
Mr Andrew King signed the Roll, and was duly admitted a Fellow of the Society. 
THIRD ORDINARY MEETING. 
Monday, January 14, 1918. 
Dr John Horne, F.R.S., F.G.S. , President, in the Chair. 
The following Communications were read : — 
1. Notes on the Coupar-Angus Meteorite. By Professor R. A. Sampson, F.R.S. ( With 
Lantern Slides. ) 
2. The Propagation of Earthquake Waves through the Earth, and Connected Problems. By 
Dr C. G. Knott. ( With Lantern Illustrations.) 
3. A Determinantal Equation whose Roots are the Products of the Roots of given Equations. 
By Professor W. H. Metzler. 
4. Studies in Clocks and Time-Keeping. I. Theory of the Maintenance. By Professor R. A. 
Sampson, F.R.S. 
