Meetings of the Royal Society — Session 1901-1902. 
The 119th Session. 
General Statutory Meeting. Election of Office-Bearers, p. 1. 
FIRST ORDINARY MEETING. 
4 tli November 1901. 
The Hon. Lord M‘Laren, LL.D., Vice-President, in the Chair. 
The Chairman read an opening Statement, p. 2. 
The following Communications were read : — 
1. Certain Considerations regarding Algol Variation, with special 
reference to C.P.D. — 41° -4511. By Alex. W. Roberts, D.Sc. pp. 
71-84. 
2. Note on the relation of the Density of Electrolytes to Ionisation. 
By Professor J. G. MacGregor. 
3. On an Instrument for Trisecting any Angle. By James N. Miller. 
Communicated by Professor Chrystal. pp. 7-8. 
Mr Ernest Romney Matthews, C.E., F.G.S., was balloted for, 
and declared duly elected a Fellow of the Society. 
SECOND ORDINARY MEETING. 
Monday , 18£/t November 1901. 
The Hon. Lord M‘Laren, LL.D., in the Chair. 
The following Communications were read : — 
1. On the State of Equilibrium of Stellar Atmospheres. By Dr J. 
Halm, Assistant Astronomer, Royal Observatory, Edinburgh. Com- 
municated by the Astronomer-Royal for Scotland. 
