ix 



Page 



On a Method of Meteorological Registration of the Chemical Action of 

 Total Daylight. By Henry E. Roscoe, B.A., F.R.S 655 



Obituary Notices of Deceased Fellows : — 



Arthur Connell i 



Edward Joshua Cooper i 



Joshua Field iii 



Richard Fowler, M.D iii 



Peter Hardy v 



John Taylor v 



William Tooke vi 



Rear- Admiral John Washington vii 



Cesar Mansuete Despretz viii 



Eilhardt Mitscherlich ix 



Carl Ludwig Christian Riimker xvi 



Index 561 



EREATA. 

 Page 153, for S. W. Hittorf read J. W. Hittorf. 



Pages 201 «fe 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. 



NOTICE TO THE BINDER. 



In this Volume the following pages are to be cancelled : — Pages 83, 227 & 228, 

 275 & 27C), 457, 491, 519 & 520. 



The Plate to Dr. Beale's Paper, p. 386, is Plate III. 



