lxi 
OFFICERS OF SECTIONAL COMMITTEES PRESENT AT THE 
ABERDEEN MEETING. 
SECTION A.—MATHEMATICAL AND PHYSICAL SCIENCE. 
President.—Professor G. Chrystal, M.A., F.R.S.E. 
Vice-Presidents—Professor C. Niven, F.R.S.; Lord Rayleigh, ¥.RB.S. ; 
Professor A. Schuster, F.R.S.; Professor G. G. Stokes, Sec.R.S. . 
Professor Sir W. Thomson, F.R.S. 
Secretaries—R. E. Baynes, M.A.; R. T. Glazebrook, F.R.S. ; Professor 
W. M. Hicks, F.R.S. (Recorder) ; Professor W. Ingram, M.A. 
SECTION B.—CHEMICAL SCIENCE. 
President.—Professor H. E. Armstrong, Ph.D., F.R.S., Sec.C.S. 
Vice-Presidents—Professor Brazier, F.C.S.; Professor A. Crum Brown, 
F.R.S.; Professor Hartley, F.R.S.; Professor H. McLeod, F.R.S. ; 
Professor W. A. Tilden, F'.R.S. 
Secretaries.—Professor P. Phillips Bedson, D.Sc. (Recorder); H. B. 
Dixon, M.A.; H. Forster Morley, D.Sc. ; W. J. Simpson, M.D. 
SECTION C.—GEOLOGY. 
President.—Professor J. W. Judd, F.R.S., Sec.G.S. 
Vice-Presidents.—John Evans, Treas.R.S.; Rev. George Gordon, LL.D. ; 
T. F. Jamieson, LL.D.; Rev. J. M. Joass, LL.D.; Professor O. ou 
Marsh, M.A.; Professor W. C. Williamson, F.R.S. 
Secretaries —C. E. De Rance, F.G.S.; J. Horne, F.R.S.E.; J. J. H. 
Teall, F.G.S.; W. Topley, F.G.S. (Recorder). 
SECTION D.—BIOLOGY. 
President.—Professor W. C. McIntosh, M.D., LL.D., F.R.S. L. and E., 
F.L.S. 
Vice-Presidents.—Professor C. C. Babington, F.R.S. ; Professor I. Bayley 
Balfour, F.R.S.; Professor Cleland, F.R.S.; Sir John Lubbock, 
Bart., F.R.S.; Professor J. S. Burdon Sanderson, F.R.S.; Pro- 
fessor W. Stirling, F.R.S.E.; Professor Trail, F.L.S. 
Secretaries —W. Heape; J. McGregor-Robertson, M.B.; J. Duncan. 
Matthews, F.R.S.E.; Howard Saunders, F.L.S. (Recorder); H. 
Marshall Ward, M.A. 
