1900-1.] 
Meetings of the Society. 
443 
FIFTH ORDINARY MEETING. 
Monday , 7 th January 1901. 
The Astronomer-Royal for Scotland, Vice-President, in the Chair. 
Mr J. B. Bennett was admitted a Fellow of the Society. 
The following Communication was read : — 
Exploration in Spitzbergen, and Soundings in Seas adjacent, in 1898 
and 1899. By William S. Bruce, Esq. Communicated by Dr Buchan. 
(With Limelight Illustrations.) 
Mr Fred. P. Pullar, Dr Carstairs Cumming Douglas, and 
Dr R. Stewart MacDougall were balloted for, and declared duly 
elected Fellows of the Society. 
SIXTH ORDINARY MEETING. 
Monday , 21 st January 1901. 
The Right Hon. Lord Kelvin, G.C.Y.O., President, in the Chair. 
The following Communications were read : — 
1. One-dimensional Illustrations of the Kinetic Theory of Gases. By 
the Chairman. 
2. Note on Solar Radiation and Earth Temperatures. By Professor 
Knott, D.Sc. pp. 296-311. 
3. Note on Pairs of Consecutive Integers, the Sum of whose Squares 
is an Integral Square. By Thomas Muir, Esq., LL.D. pp. 264-267. 
4. The Differentiation of a Continuant. By Thomas Muir, Esq., 
LL.D. Trans., vol. 40, pp. 209-220. 
5. The Hessian of a General Determinant. By Thomas Muir, Esq., 
LL.D. Trans., vol. 40, pp. 203-207. 
SEVENTH ORDINARY MEETING. 
Monday, 4dh February 1901. 
Professor Chrystal, LL.D., Vice-President, in the Chair. 
Dr Carstairs C. Douglas was admitted a Fellow of the 
Society. 
