
OFFICERS OF SECTIONAL COMMITTEES. xi 
OFFICERS OF SECTIONAL COMMITTEES AT THE 
CORK MEETING. 
SECTION A.—MATHEMATICAL AND PHYSICAL SCIENCE. 
President-—Professor M‘Cullagh, M.R.LA. 
. Vice-Presidents—Professor Lloyd; F.R.S.; M.R.LA. The Rev. Dr. Pea- 
cock, Dean of Ely, F.R.S.  W. Snow Harris, F.R.S. 
Secretaries—Professor Stevelly, M.A. John Nott. 
SECTION B.—CHEMISTRY AND MINERALOGY ; 
(including their applications to Agriculture and the Arts.) 
President.—Professor Apjohn, M.R.I.A. 
Vice-Presidents-—Marquis of Northampton, Pres. R.S. Professor Kane, 
M.R.I.A. 
‘Secretaries —Robert Hunt, Sec: R: C. Polytechnic Society. Dr. Sweeny. 
SECTION C.—GEOLOGY AND PHYSICAL GEOGRAPHY. 
President-—Richard E. Griffith, F.R.S., M.R.LA. 
President for Geography —R. I. Murchison, F.R.S. 
Vice-Presidents—Wm. Hopkins, F.R.S. Charles Lyell, F.R.S. John 
Taylor, F.R.S. 
Secretaries.—Francis M. Jennings, M.R.LA., F.G.S. H.E. Strickland, F.G.S, 
SECTION D.—ZOOLOGY AND BOTANY. 
President.—William Thompson, F.L.S. . 
Vice-Presidents—Robert Ball, M.R.LA. Professor Owen, F.R.S. Pro- 
fessor E. Forbes, F.L.S. _C. C. Babington, F.L.S. 
- Seereturies._-Edwin Lankester, M.D.; F.L.S. Robert Patterson. George 
J. Allman; M.B. 
SECTION E.—MEDICAL SCIENCE. 
President.—Sir James Pitcairn, M.D. 
Vice-Presidents—William Bullen, M.D. Charles P. Croker, M.D. A. H. 
Callanan, M.D. Christopher Bull, M.D. 
Secretaries —John Popham, M.D. Richard S. Sargent, M.D. 
SECTION F.—STATISTICS. 
President.—Sir C. Lemon, Bart., M.P. 
Vice-Presidents.—Major N. Ludlow Beamish, F.R.S. Sir W. Chatterton. 
Secretaries —W. Cooke Taylor, LL.D. D. Bullen, M.D. 
SECTION G.—MECHANICAL SCIENCE. 
President.—Professor John Macneill, M.R.I.A. 
Vice-Presidents—John Taylor, F.R.S. F.G. Bergen, Esq. Sir Thomas 
Deane, Knut. 
Secretaries.—James Thomson, F.R.S.E. Robert Mallet, C.E. 
CORRESPONDING MEMBERS. 
Professor Agassiz, Neufchatel. M. Arago, Secretary of the Institute, 
Paris. A.D. Bache, Philadelphia. Professor Berzelius, Stockholm. Pro- 
fessor Bessel, Kénigsberg. Professor H. von Boguslawski, Breslau. Pro- 
fessor Braschmann, Moscow. Professor De la Rive, Geneva. Professor Dumas, 
Paris. Professor Ehrenberg, Berlin. Professor Encke, Berlin. Dr. A. Er- 
man, Berlin. M. Frisiani, Astronomer, Milan. Baron Alexander von Hum- 
boldt, Berlin. Professor Henry, Princeton, U.S. M. Jacobi, St. Petersburgh. 
Professor Jacobi, Kénigsberg. Dr. Lamont, Munich. Professor Liebig, 
Giessen. Professor Link, Berlin. Dr. Langberg, Christiania. Professor 
CErsted, Copenhagen. M. Otto, Breslau. Jean Plana, Astronomer Royal, 
Turin. M. Quetelet, Brussels. Professor C. Ritter, Berlin. Professor Schu- 
macher, Altona. Professor Wartmann, Lausanne. 
