511 
1911-12.] Meetings of the Society. 
2. Temperature Observations in Loch Earn, with a Further Contribution to the Hydrodynamical 
Theory of Temperature Oscillations in Lakes. By E. M. Wedderburn, W.S. Trans., vol. xlviii. 
pp. 629-695. 
3. Transverse Induction Changes in Demagnetised and Partially Demagnetised Iron in relation 
to the Molecular Theory of Magnetism. By James Russell. Proc., vol. xxxii. pp. 292-314. 
TENTH ORDINARY MEETING. 
Monday, 18 th March 1912. 
James Burgess, C. I.E. , LL.D., Vice-President, in the Chair. 
The following Communications were read : — 
1. On Rhetinangium Arberi, a new Type of Fossil Stem from Pettycur. By Dr W. T. Gordon. 
Communicated by Professor James Geikie. Trans., vol. xlviii. pp. 813-825. 
2. The Sun as a Fog Producer. By Dr John Aitken, F.R.S. Proc., vol. xxxii. pp. 183-215. 
The following Candidates for Fellowship were balloted for, and declared duly elected : — 
Anderson Gray M‘Kendrick, M.B. ; William Smith Syme, M.D. 
ELEVENTH ORDINARY MEETING. 
Monday , Qth May 1912. 
Principal Sir William Turner, K.C.B., President, in the Chair. 
The following Communications were read : — 
1. (a) On Walking and Climbing Gyrostats; (b) On Novel Illustrations of Gyrostatic Action. 
(b), Proc., vol. xxxii. pp. 406-415. By James G. Gray, D.Sc. 
2. On a Continuous-current Motor Gyrostat with Accessories for demonstrating the Properties 
and Practical Applications of the Gyrostat. By James G. Gray, D.Sc., and George Burnside. 
Proc., vol. xxxii. pp. 321-332. 
3. The Effect of Vibration upon the Structure of Alloys. By G. H. Gulliver, B.Sc., 
A.M.I.Mech.E. Proc., vol. xxxii. pp. 315-320. 
4. On the Singular Solutions of Partial Differential Equations of the First Order. By H. Levy, 
M.A., B.Sc. Communicated by D. Gibb, M.A., B.Sc. Proc., vol. xxxii. pp. 150-163. 
The Rev. Lauchlan Maclean Watt, B.D., and J. T. Ewen, B.Sc., signed the Roll, and were 
duly admitted Fellows of the Society. 
The following Candidates for Fellowship were balloted for, and declared duly elected: — 
George Rutherford Jeffrey, M.D., F.R.C.P. ; Banawari Lal Chaudhuri, B.A. (Cal.), B.Sc 
(Edin.). 
FIRST SPECIAL MEETING. 
Monday, 13 th May 1912. 
Dr Horne, F.R.S. , Vice-President, in the Chair. 
The following communications were read : — 
1. Report on Rock Specimens dredged by the Michael Sars in 1910, by H.M.S. Triton in 1882, 
and by H.M.S. Knight Errant in 1880. By Dr B. N. Peach, F.R.S. Proc., vol. xxxii. 
pp. 262-291. 
2. A Study in Chromosome Reduction. By Dr A. Anstruther Lawson. Trans., vol. xlviii. 
pp. 601-627. 
3. Caradocian Cystidea from Girvan. By Dr F. A. Bather, F.R.S. Communicated by Di- 
Horne, F.R.S. Trans., vol. xlix. 
TWELFTH ORDINARY MEETING. 
Monday, 20 th May 1912. 
Professor F. O. Bower, F.R.S., Vice-President, in the Chair. 
The following communication was read : — 
The Cancer Statistics of Scotland for the Years 1861-1900, and their Indications as to the 
Prevalence, Age Incidence, and Distribution of the Disease in Scotland. By Sir George Thomas 
Beatson, M.D. , K.C.B. Communicated by Dr Byrom Bramwell. 
Dr G. R. Jeffrey signed the Roll, and was duly admitted a Fellow of the Society. 
