1893-97.] 
Meetings of the Society. 
513 
FIFTH ORDINARY MEETING. 
Monday , February 1897. 
The Right Hon. Lord Kelvin, President, in the Chair. 
The following Communications were read : — 
1. The Changes in the Mucosa of the Corpus Uteri, and in the attached 
Foetal Membranes, during Pregnancy. By J. Clarence Webster, M.D., 
FR.CR. Ed. 
2. A very simple Logical Machine. By Professor D’Arcy Thompson. 
3. On the Conductive Effect produced in Air by Rontgen Rays, and 
by Ultra-Violet Light. By the Right Hon. Lord Kelvin, Dr Beattie, 
and Dr Smolan. pp. 406 -417. 
4. Crystallization according to Rule. By the Right Hon. Lord 
Kelvin. 
5. Note on the Sensitiveness of the Skin to Weak Electric Currents 
as compared with the Sensitiveness of a Telephone to the same Currents. 
By Professor J. G. MKendrick. pp. 251-253. 
Mr James Robert Erskine-Murray and Dr A. Lockhart 
Gillespie were balloted for, and declared duly elected Fellows of 
the Society. 
SIXTH ORDINARY MEETING. 
Monday , 1 5th February 1897. 
Professor Geikie, Vice-President, in the Chair. 
Dr A. Lockhart Gillespie was admitted a Fellow of the Society. 
The following Communications were read : — - 
1. On the Electrolysis of Potassium Ethyl-sulphone- Acetate. By Dr 
Crum Brown, FR.S., and Dr Bolam. p. 297. 
2. On Configurations of Minimum Potential Energy in Clusters of 
Homogeneous Molecules, with application to the Theory of Crystalline 
Forms. By the Right Hon. Lord Kelvin. 
3. On Apparent and Real Dis-electrification of Solid Dielectrics pro- 
duced by Rontgen Rays and by Flame. By the Right Hon. Lord 
Kelvin, Dr Beattie, and Dr Smolan. pp. 397-403. 
4. On Photo-Chemical Action. By Professor Gibson, pp. 303-309. 
5. On the Compressibility of Salt Solutions. By Professor Tait. 
