OFFICERS OF SECTIONAL COMMITTEES. XXVIi 
OFFICERS OF SECTIONAL COMMITTEES PRESENT AT THE 
LEEDS MEETING. 
SECTION A.—-MATHEMATICS AND PHYSICS, 
President.—Rev. W. Whewell, D.D., V.P.R.S. &c. 
Vice-Presidents.—G. B. Airy, M.A., D.C.L., Astronomer Royal ; Rev. A. Barry, 
M.A.; Sir D. Brewster, K.H., LL.D., F.R.S.; Rev. Dr. Lloyd, F.R.S.; Rev. Pro- 
fessor Walker, M.A., F.R.S.; Lord Wrottesley, V.P.R.S. 
Secretaries.—Rev. S. Earnshaw, B.A.; H.J.S. Smyth, M.A. ; Professor Stevelly, 
LL.D. ; Professor Tyndall, F.R.S. ; John Pope Hennessy, Esq. 
SECTION B.—CHEMISTRY AND MINERALOGY, INCLUDING THEIR APPLICATIONS 
TO AGRICULTURE AND THE ARTS. 
President. —Sir J. F. W. Herschel, Bart., D.C.L., M.A., F.R.S. 
Vice-Presidents.—The Rev. W. Vernon Harcourt, M.A., F.R.S.; Professor 
Faraday, D.C.L., F.R.S.; J. P. Gassiot, V.P.R.S. 
Secretaries.—J. H. Gladstone, Ph.D., F.R.S. ; W. Odling, M.B., F.C.S. ; Richard 
Reynolds, F.C.S. 
SECTION C.—GEOLOGY. 
President.—Wm. Hopkins, M.A., LL.D., F.R.S. 
Vice-Presidents.—Major-General Portlock, LL.D., F.R.S.; Earl of Enniskillen, 
F.R.S.; Sir P. de M. Grey Egerton, Bart., F.R.S.; Professor Ramsay, F.R.S. 
Secretaries.—Professor J. Nicol, F.G.S.; H. C. Sorby, F.R.S.; E., W. Shaw, 
Esq. : 
SECTION D.—ZOOLOGY AND BOTANY, INCLUDING PHYSIOLOGY. 
President.—C. C. Babington, M.A., F.R.S. 
Vice-Presidents.—Sir W. Jardine, Bart., F.R.S.E.; Sir John Richardson, M.D., 
LL.D., F.R.S. 
Secretaries.—E. Lankester, M.D., F.R.S.; Henry Denny, A.L.S.; Dr. Heaton ; 
Dr. E. Percival Wright, M.R.I.A. 
SUB-SECTION D.—PHYSIOLOGICAL SCIENCE. 
President.—Sir Benjamin Brodie, Bart., D.C.L., Pres.R.S. 
Vice-Presidents—Thomas P. Teale, F.L.S.; Dr. Hodgkin; Dr. Chadwick ; 
Samuel Smith, Esq. 
Secretary.—C. G. Wheelhouse, Esq. 
SECTION E.—GEOGRAPHY AND ETHNOLOGY. 
President.—Sir Roderick Murchison, G.C.St.S., D.C.L., F.R.S., President of the 
Royal Geographical Society, &c. 
Vice-Presidents,—Major-General Chesney, D.C.L., F.R.S.; John Crawfurd,F.R.S.; 
Rear-Admiral FitzRoy, F.R.S.; Rev. W. F. Hook, D.D.; Sir H. C. Rawlinson, 
K.C.B., F.R.S.; Sir John Richardson, C.B., M.D., LL.D. 
Secretaries.—Dr. Norton Shaw; Thomas Wright, F.S.A.; Francis Galton, Esq. ; 
P. O’Callaghan, Esq.; Richard Cull, Esq. 
SECTION F.—ECONOMIC SCIENCE AND STATISTICS. 
President.—Edward Baines, Esq. 
Vice-Presidents.—Colonel W. H. Sykes, M.P., F.R.S.; James Heywood, F.R.S, ; 
W.Scrope Ayrton, F.S.A.; Darnton Lupton; Sir James Kay Shuttleworth, Bart. 
Secretaries.—William Newmarch, Esq. ; John Strang, LL.D. ; Professor Cairnes ; 
Captain Fishbourne ; Thos. B. Baines, B.A.; Samuel Brown, F.S.S. 
SECTION G.—MECHANICAL SCIENCE. 
President.— William Fairbairn, F.R.S. 
Vice- Presidents.—J. G. Appold, F.R.S.; Sir P. Fairbairn, Mayor of Leeds; J. 
Glynn, F.R.S.; J. Kitson, C.E.; Professor Rankine, LL.D., F.R.S., Pres. Inst. 
Eng. Scot.; G. Rennie, F.R.S.; J. Scott Russell, F.R.S.; T. Webster, M.A., 
F.R.S. ; General Wilson. 
Secretaries.—J. C. Dennis, F.R.A.S.; I. Dixon, Esq.; H. Wright, Esq. 
