703 
1910-11.] Meetings of the Society. 
2. The Dissipation of Energy in Torsionally Oscillating Wires of Brass and other Materials, 
with the Effects produced by Change of Temperature, etc. By J. B. Ritchie, B. Sc. ( With 
Lantern Illustrations.) Proc., vol. xxxi. pp. 424-439. 
3. An Apparatus for Inducing Fatigue in Wires by means of Repeated Extensional and 
Rotational Strains, with the Effects of Fatigue on the Laws of Torsional Oscillation. By J. B. 
Ritchie, B.Sc. ( With Lantern Illustrations .) Above three papers communicated by Professor 
W. Peddie, Dundee. Proc., vol. xxxi. pp. 440-447. 
4. Boole’s Unisignant. By Dr Thos. Muir. Proc. , vol. xxxi. pp. 448-455. 
The following gentlemen signed the Roll, and were duly admitted Fellows of the Society : — 
J. Campbell Dewar, C.A., and James Watt, F.F.A. 
TENTH ORDINARY MEETING. 
Monday , 20 th March 1911, at 4.30 p.m. 
Professor T. Hudson Beare, M.Inst.C.E., Vice-President, in the Chair. 
The following Communications were read : — 
1. Obituary Notice of Mr George Barclay. By G. A. Berry, P.R.C.S. (Ed.). Proc., vol. 
xxxi. p. 684. 
2. Measurements on the Scattering of Light by “ Ground ” Glass. By Dr J. R. Milne. ( With 
Lomtern Illustrations. ) 
3. On the Influence of Temperature upon the Magnetic Properties of a Grated Series of Carbon 
Steels. By Margaret B. Moir, M.A., B.Sc. Communicated by James G. Gray, D.Sc. ( With 
Lantern Illustrations.) Proc., vol. xxxi. pp. 505-516. 
4. The Pharmacological Action of Harmine. By Dr J. A. Gunn. ( With Lantern Illustra- 
tions.) Trans, vol. xlviii. pp. 83-96. 
The following Candidates for Fellowship were balloted for, and declared duly elected: — 
Charles Richard Whittaker, F.R.C.S. (Edin.). 
Mr Stephen Smith and Dr James A. Gunn signed the Roll, and were duly admitted Fellows 
of the Society. 
ELEVENTH ORDINARY MEETING. 
Monday , ls£ May 1911, at 4.30 p.m, 
Emeritus-Professor Crum Brown, F.R.S., Vice-President, in the Chair. 
The following Address was delivered : — 
On Ice and its Natural History. By John Young Buchanan, M.A., F.R.S., Christ’s College, 
Cambridge. ( With Lantern Illustrations. ) Trans. 
Dr J. R. Ratcliffe and Mr J. A. Fleming signed the Roll, and were duly admitted Fellows 
of the Society. 
TWELFTH ORDINARY MEETING. 
Monday, 15th May 1911, at 4.30 p,m. 
Sir William Turner, K.C.B., President, in the Chair. 
The following Address was delivered 
On Sand Dunes and Golf Links. By Professor F. O. Bower, F.R.S., University, Glasgow. 
( With Lantern Illustrations. ) 
Mr Peter Pinkerton signed the Roll, and was duly admitted a Fellow of the Society. 
The following Candidates for Fellowship were balloted for, and declared duly elected: — 
William Guy, F.R.C.S., William Jacob Holland, LL.D. (St. And.), James A. S. Watson, 
B.Sc., Henry A. J. Gidney, L.M., S. Socts. Ap. London, John Smith Purdy, M.D., Adam 
A. Rankin, and James Ramsay Tosh, M. A. 
