1903-4.] 
Meetings of the Society. 
1177 
FOURTEENTH ORDINARY MEETING. 
Monday , '2 Otli June 1904. 
The Hon. Lord M‘Laren, LL.D., Vice-President, in the Chair. 
The following Communications were read : — 
1. On the Front and Rear of a Free Procession of Waves in Deep 
Water. By the Rt. Hon. Lord Kelvin, G.C.V.O., President, pp. 
311-327. 
2. Observations on some Aged Specimens of Sagartia troglodytes , and 
on the Duration of Life in Ccelenterates. By J. H. Ashworth, D.Sc., 
and Nelson Annandale, B.A. pp. 295-310. 
3. Effect of Transverse Magnetisation on the Resistance of Nickel 
Wire at High Temperatures. By Dr C. G. Knott, pp. 292-294. 
{Abstract.) 
4. Note on a New Form of Juxtapositer, to bring together the two 
beams of light used in spectrophotometry, and for other purposes. By 
J. R. Milne, B.Sc. {The Apparatus was exhibited.) pp. 355-363. 
FIFTEENTH ORDINARY MEETING. 
Monday , 4 tli July 1904. 
Professor Geikie, LL.D., Vice-President, in the Chair. 
Dr Walter Colquhoun was admitted a Fellow of the Society. 
The following Communications were read : — 
1. Obituary Notice of Professor W. His, Honorary Fellow. By 
Professor D. J. Cunningham, pp. 1235-1240. 
2. On the Structure of the Series of Line-Spectra. By Dr J. Halm, 
Assistant Astronomer, Royal Observatory. Communicated by the 
Astronomer-Royal for Scotland. Trans., vol. 41, pp. 551-598. 
3. A New Form of Spectrophotometer. By J. R. Milne, B.Sc. 
{The Apparatus was exhibited.) pp. 338-354. 
4. The Complete Solution of the Differential Equation of J [n ]. By 
the Rev. F. H. Jackson. Communicated by Dr W. Peddie. pp. 
273-276. 
Mr John Edwards, Mr J. A. Macdonald, Mr John W. Tait, 
Dr James Barr, and Mr Edwin O. Sachs were balloted for, and 
declared duly elected Fellows of the Society. 
