9 
and the means presented, especially by optical investigation, for de- 
termining the origin of their constituent particles. The Address was 
prefaced by some obituary notices of Fellows and Foreign Members 
of the Society deceased during the past year, including Sir Richard 
Griffith, Prof. Harkness, Rev. W. B. Clarke, Prof. Oldham, Mr. 
Thomas Belt, Prof. Gastaldi, Mr. Daintree, Mr. T. Sopwith, Mr. J. 
G. Sawkins, and Mr. J. S. Dawes. 
The Ballot for the Council and Officers was taken, and the follow- 
ing were duly elected for the ensuing year :—President : H. C. Sorby, 
Esq., F.R.S. Vice-Presidents: Sir P. de M. Grey-Egerton, Bt., MP., 
F.R.S. ; Prof. P. Martin Duncan, M.B., F.R.S.; Prof. J. Prestwich, 
M.A., F.R.S.; Prof. A. C. Ramsay, LL.D., F.R.S. Secretaries : 
Prof. T. G. Bonney, M.A., F.R.S.; Prof. J.W.Jndd, F.R.S. Foreign 
Secretary: Warington W. Smyth, Esq., M.A., F.R.S. Treasurer: 
J. Gwyn Jeffreys, LL.D., F.R.S. Council: H. Bauerman, Esq. ; 
Prof. T. G. Bonney, M.A., F.R.S.; Prof. P. Martin Duncan, M.B., 
F.B.S.,; Sir P. de M. Grey-Egerton, Bt., M.P., F.R.S.; J. Clark 
Hawkshaw, Esq., M.A.; Henry Hicks, M.D.; W. H. Hudleston, 
Esq., M.A.; Prof. T. McKenny Hughes, M.A.; J. W. Hulke, Esq., 
F.BS.; J. Gwyn Jeffreys, LL.D., F.R.S.; Prof. T. Rupert Jones, 
E.RB.S. ; Prof. J. W. Judd, F.R.S.; Prof. N. 8. Maskelyne, M.A., 
F.R.S.; J. Morris, Esq., M.A.; RB. W. Mylne, Esq., F.R.S.; J. A. 
Phillips, Esq. ; Prof. J. Prestwich, M.A., F.R.8.; Prof. A. C. Ramsay, 
LL.D., F.R.S.; Prof. H. G. Seeley, F.L.S.; Warington W. Smyth, 
-Esq., M.A., F.R.S.; H.C. Sorby, Esq., F.R.S.; Admiral T. A. B. 
Spratt, C.B., F.R.S.; Rev. T. Wiltshire, M.A., F.L.S. 
