On a Method of Meteorological Registration of the Chemical Action of Total Daylight. By Henry E. Roscoe, B.A., F.R.S.
Page 153, for S. W. Hittorf read J. W. Hittorf.
Pages 201 & 202. The words "If a quadratic form. .
Phil. Trans. vol. cxliii.
p. 481)" should have been printed as a foot-note in explanation of the term "index of inertia."
Page 330, for Flangergues read Flaugergues.
ERRATA IN OBITUARY (VOL. XII.).
Page xxxvi, line 8 from bottom, for Poisson read Brisson. xxxviii, line 4 from top, for son read husband.
In this Volume the following pages are to be cancelled:-Pages 83, 227 & 228,
275 & 276, 457, 491, 519 & 520.
The Plate to Dr. Beale's Paper, p. 386, is Plate III.