[ iv ] 
VI. On the Variation with Temperature of the Rate of a Chemical Change. By 
A. Vernon Harcourt, Ah.A., Hon. D.Sc. Oxo7i, F.R.S. With an Ap>pendix 
hy William Esson, AT.A., F.R.S., Savilian Professor of Geometry in the 
University of Oxford . page 187 
VII. 0)t the Emission Velocities of Photo-Electrons. By A. Ll. Hughes, AI.Sc., 
B. A., Research Scholar of Emmanuel College, Camln'idge. Co^nmunicated hy 
P7\f Sir A. J. Thomson, O.AT., F.R.S. .205 
Vill. On the Apparent Change in Weight during Chemical Reaction. By 
J. J. Manley, Hon. AT.A. O.con, DauhcJiy Curator, Alagdalen College, 
Oxford. Commimicated hy Prof. J. H. Poynting, F.R.S. .227 
IX. Optical Rotatory Dispersion.—Part I. The Natural and Alagnetic Rotatory 
Dispersio7i m Quartz of Light in the Visible Region of the Spectrum. By 
Dr. Thomas Martin Lowry. Communicated hy Prof H. E. Armstrong, 
F.R.S. . 261 
X. The Effect produced hy cm Obstacle on a Train of Electric Waves. By Prof. 
H. M. Macdonald, E.R.S., University of Aherdeeyi . 299 
XI. On the Foundations of the Theory of Algebraic Functions of One Variable. By 
J. C. Fields, Ph.D., Associate Professor of Alathematics in the University of 
Toronto. Communicated by A. E,. Forsyth, Sc.D., LL.D., F.R.S. . . 339 
XII. On the Scattering and Ahsorptio^i of Light in Gaseous ALedia, with Applications 
to the Lntexisity of Sky Radiation. By Louis Vessot King, B.A. {Cantab.), 
late Scholctr of Christ’s College, Cambridge; Lecturer m Physics, AlcGill 
University, ALo^itrecd. Communicated, by Sir Joseph Larmor, Sec. R.S. 375 
Index to Volume 
435 
