554 Proceedings of Royal Society of Edinburgh. [sess. 
FIFTH ORDINARY MEETING. 
Monday , 8th January 1906 . 
Professor Crum Brown, LL.D., F.R.S., Vice-President, 
in the Chair. 
The following Communications were read : — 
1. Obituary Notice of Professor Alexander W. Williamson, F.R.S. 
By Professor Crum Brown, p. 540. 
2. Bathy draco Scotice, Poisson abyssal nouveau recueilli par 1’ Expedi- 
tion Antarcticpie National Ecossaise. Note preliminaire, par M. Louis 
Dollo, Conservateur au Musee royal d’Histoire naturelle, a Bruxelles. 
Presentee par M. le Dr. R. H. Traquair, F.R.S. p. 65. 
3. Influence of Thymus Feeding on Allantoin Excretion. By Dr 
W. M‘Lachlan. Communicated by Dr Noel Paton. p. 95. 
4. On a Theorem in Hypercomplex Numbers. By J. H. Maclagan 
Wedderburn, M.A. p. 48. 
SIXTH ORDINARY MEETING. 
Monday , 22 nd January 1906 . 
The Hon. Lord M £ Laren, LL.D., Vice-President, in the Chair. 
The following Communications were read : — 
1. On a Form of Initiational Disturbance more convenient than that 
of §§ 3-31 of previous Papers on Waves. By the Rt. Hon. Lord 
Kelvin, President, p. 398. 
2. Illustrations of the Indefinite Extension and Multiplication of 
a Group of Two-dimensional Deep-Sea Waves, Initially Finite. By 
the Same. p. 409. 
3. On the Initiation and Continued Growth of a Train of Two- 
dimensional Waves due to the Sudden Commencement of a Stationary 
Periodically Varying Forcive. By the Same. p. 412. 
Mr John Bennett Carruthers, Mr Henry O’Connor, C.E., 
Mr Fraser Story, Mr Gilbert Thomson, M.A., C.E., Dr Dawson 
F. D. Turner, F.R.C.P.E., Dr Robert Alexander Fleming, 
F.R.C.P.E., the Rev. Samuel M. Johnston, B.A., and Dr 
Duncan Scott Macnair, H.M.I.S., were balloted for, and declared 
duly elected Fellows of the Society. 
