PROCEEDINGS 
OF THE 
ROYAL SOCIETY OF EDINBURGH. 
Vol. XXII. 
SESSIONS 1897-98—1898-99. 
CONTENTS. 
PAGE 
Election of Office-Bearers, Session 1897-98, .... 1 
Chairman’s Opening Address. ■ By the Right Hon. Lord Kelvin, 
President, . . . . . . .2 
A Short Note on the Disturbance of the Magnetical and Meteorological 
Instruments at the Colaba Observatory during the Earthquake 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 Salmonidse 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 hy Sir Archibald Geikie, 
F.R.S.) (With a Plate), . . . . . .58 
Note on the Axes of Symmetry which are Crystallographically 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 
