704 
Proceedings of the Royal Society of Edinburgh. [Sess. 
THIRTEENTH ORDINARY MEETING. 
Monday , 5th June, 1911, at 8 p.m. 
Dr James Burgess, C.I.E., Vice-President, in the Chair. 
The following Communications were read : — 
The Absorption of Light by Inorganic Salts — 
1. Aqueous Solutions of Cobalt Salts in the Infra-red. By Dr R. A. Houstoun. Communicated 
by Professor A. Gray. Proc., vol. xxxi. pp. 521-529. 
2. Aqueous Solutions of Cobalt Salts in the Visible Spectrum. By Dr R. A. Houstoun and 
Alex. R. Brown, M.A. Communicated by Professor A. Gray. Proc., vol. xxxi. pp. 530-537. 
3. Aqueous Solutions of Nickel Salts in the Visible Spectrum and the Infra-red. By Dr R. A. 
Houstoun. Communicated by Professor A. Gray. Proc., vol. xxxi. pp. 538-546. 
4. Aqueous Solutions of Cobalt and Nickel Salts in the Ultra-Violet. By Dr R. A. Houstoun 
and John S. Anderson, M.A. Communicated by Professor A. Gray. Proc., vol. xxxi. pp. 
547-558. 
5. The Vapour Pressure of Dry CalomeL By Professor Alexander Smith and Alan W. C. 
Menzies, M.A. , B.Sc. {Abstract.) Proc., vol. xxxi. pp. 519-520. 
FOURTEENTH ORDINARY MEETING. 
Monday, l§th June 1911, at 4.30 p.m. 
Professor F. 0. Bower, F.R.S., Vice-President, in the Chair. 
The following Communications were read 
1. Les Mousses de l’Expedition nationale antarctique ecossaise. Par M. Jules Cardot. 
Presentee par Professeur Bayley Balfour, F.R.S., etc. Trans., vol. xlviii. pp. 67-82. 
2. On some Nuclei of Cloudy Condensation. Part II. By Dr John Aitken, F.R.S. ( With 
Lantern Illustrations.) Proc., vol. xxxi. pp. 478-498. 
3. Nuclear Osmosis as a Factor in the Mechanism of Mitosis. By Dr A. Anstruther Lawson. 
Trans., vol. xlviii. pp. 137-161. 
4. The Rate of Multiplication of Micro-organisms : A Mathematical Study. By Captain 
A. G. M‘Kendrick, I.M.S., and Dr M. Kesava Pai. Communicated by Dr C. G. Knott. 
Proc., vol. xxxi. pp. 649-655. 
Mr A. A. Rankin and Dr J. R. Tosh signed the Roll, and were duly admitted Fellows of the 
Society. 
The following Candidates for Fellowship were balloted for, and declared duly elected: — 
Duncan M‘Laren Young Sommerville, M.A., D.Sc., and David Rainy Brown. 
FIFTEENTH ORDINARY MEETING. 
Monday, 3rd July 1911, at 4.30 p.m. 
Dr Horne, F. R. S. , Vice-President, in the Chair. 
The Chairman read the following Address to the King : — 
TO HIS MOST EXCELLENT MAJESTY 
GEORGE V. 
KING AND EMPEROR. 
May it please Your Majesty : — 
We, your Majesty’s loyal subjects, the President and Fellows of the Royal Society of 
Edinburgh, desire most cordially to welcome Your Majesty on Your visit to the Capital of your 
Ancient Kingdom of Scotland. 
As a Society mainly though not wholly devoted to the advancement of Science, we thankfully 
recall the great services rendered by Your Majesty’s illustrious Grandfather, the Prince Consort, 
in striving to secure adequate public recognition of the value to the Nation of scientific thought 
and work. 
