CONTENTS. 
PAGE 
Election of Office-Bearers, Session 1897-98, . . . .1 
Chairman’s Opening Address. By the Eight Hon. Lord Kelvin, 
President , . . . . . . . .2 
A Short Note on the Disturbance of the Magnetical and Meteoro- 
logical Instruments at the Colaba Observatory during the Earth- 
quake of 12th June 1897. By N. A. Moos, Director of the 
Observatory, . . . . . . .11 
On the Velocity of Graded Actions. By James Walker, Ph.D., 
D.Sc., University College, Dundee, . . . . .22 
Preliminary Note on a Characteristic of Certain Chemical Reactions. 
By Professor John Gibson, Ph.D., . . . . .33 
Leakage from Electrified Metal Plates and Points placed above and 
below Uninsulated Flames. By the Right Hon. Lord Kelvin, 
G.C.V.O., F.R.S., and Dr Magnus Maclean, . . .38 
Observations on the Migratory Movements of Salmonidae during the 
Spawning Season. By W. L. Calderwood, . . . .47 
Note on the Action of Hydroxylamine Hydrochlorate. By W. 
Brodie Brodie, M.B., C.M., Physiological Laboratory, University, 
Glasgow. ( Communicated by Professor M‘Kendrick), . . 56 
Notes on some Additional Fossils collected at Seymour Island, 
Graham’s Land, by Dr Donald and Captain Larsen. By George 
Sharman, Esq., and E. T. Newton, F.R.S. ( Communicated by Sir 
Archibald Geikie, F.R.S.) (With a Plate), . . .58 
Note on the Axes of Symmetry which are Crystallograpliically 
possible. By Hugh Marshall, D.Sc., . . . .62 
Notes on some Specimens of Rocks from the Antarctic Regions, by 
Sir Archibald Geikie, F.R.S. With Petrographical Notes, by 
J. J. H. Teall, F.R.S., 66 
Observations on the Theories of Vowel Sounds. By John G. 
M‘Kendrick, Professor of Physiology in the University of 
Glasgow, . . ' . . . . .71 
On the Derivation of the Curves of Vowel Sounds by means of 
Microscopical Research of their Phonograms. By J. D. Boeke, 
Alkmaar, Holland. ( Presented by Professor M £ Kendrick), . 88 
On the Fourierian Analysis of Phonographic Tracings of Vowels. 
By R. J. Lloyd, Doc. Lit., etc., Liverpool, . . . .97 
On the Thermodynamics of Volta-contact Electricity. By the Right 
Hon. Lord Kelvin, G.C.V.O., etc., . . . . .118 
