[ m ] 
CONTENTS. 
(A) 
VOL. 206. 
List of Illustrations.page v 
Advertisement.vii 
I. The Combination of Hydrogen and Oxygen in Contact with Hot Surfaces. By 
William Arthur Bon e, Ph.D., D.Sc., F.R.S., late Bishop Berkeley Fellow of 
Owens College, Manchester, and Fellow of Victoria University, and Bichard 
Vernon Wheeler, B.Sc., Dalton Scholar and Fellow of Manchester Univer¬ 
sity . paxge 1 
II. On the Periodicities of Sunspots. By Arthur Schuster. F.R.S. . ... 69 
III. Ionic Size, in Relation to the Physical Properties of Aqueous Solutions. By 
W. B. Bousfield, M.A., K.C. Communicated, by Professor L armor, 
Sec.R.S. .101 
IV. On the Figure and Stability of a Liquid Satellite. By Sir G. H. Darwin, 
K.C.B., F.R.S., Plumian Professor and Fellow of Trinity College, Cam¬ 
bridge . 161 
V. The Asymptotic Expansion of Integral Functions defined by Taylor’s Series. 
By E. W. Barnes, M.A., Fellow of Trinity College, Cambridge. Communi¬ 
cated by Professor A. B. Forsyth, Sc.D., LL.D ., F.R.S. . 249 
VI. A Discussion of Atmospheric Electric Potential Results at Kew from Selected 
Days during the Seven Years 1898 to 1901. By C. Chree, Sc.D., LL.D., 
F.R.S. (From the National Physical Laboratory) ■ .299 
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