OFFICERS OP SECTIONAL COMMITTEES. xi 



OFFICERS OF SECTIONAL COMMITTEES AT THE 

 PLYMOUTH MEETING. 



SECTION A. — MATHEMATICAL AND PHYSICAL SCIENCE. 



President. — Rev. Professor Lloyd, F.R.S. 



Vice-Presidents — Rev. T. R. Robinson, D.D. Professor Christie, Sec. R.S. 

 Secretary. — Professor Stevelly, M.A. 



SECTION B. CHEMISTRY AND MINERALOGY. 



President. — Dr. Daubeny, F.R.S. 



Vice-President.' — Colonel Yorke. 



Secretaries, — John Prideaux. Robert Hunt. W. M. Tweedy. 



SECTION C. GEOLOGY AND PHYSICAL GEOGRAPHY. 



President.— U. T. De la Beche, F.R.S., &c. 



Vice-Presidents. — Rev. W. D. Conybeare, F.R.S. Professor Sedgwick, 

 F.R.S. Dr. Buckland, F.R.S. Marquis of Northampton, Pres. R.S. 



Secretaries. — W. J. Hamilton, Sec. G.S. Edward Moore, M.D. R. Hut- 

 ton, F.G.S. 



SECTION D. ZOOLOGY AND BOTANY. 



President. — John Richardson, M.D., F.R.S., &c. 



Vice-Presidents. — Richard Owen, F.R.S. Professor Henslow, F.L.S., 

 F.G.S. J. E. Gray, F.R.S. 



Secretaries — E. Lankester, M.D., F.L.S. R. Patterson. J. Couch, F.L.S. 



SECTION E. MEDICAL SCIENCE. 



President.—?. M. Roget, M.D., Sec. R.S. 

 Vice-Presidents. — P. Miller, M.D. Sir D. Dickson. 

 Secretaries — John Butter, M.D. J. Fuge. Richard S. Sargent, M.D. 



SECTION F. — STATISTICS. 



President. — Lieut.-Col. Sykes, F.R.S. 



Vice-Presidents. — Professor A. Quetelet, F.R.S., F.M.S.S. Viscount 

 Ebrington, M.P., F.S.S. Leonard Horner, F.R.S. Rev. W. S. Hore. 



Secretaries.— Rev. E. Byrth, D.D., F.A.S. Rev. R. Luney, M.A. R, W. 

 Rawson. 



SECTION G. MECHANICAL SCIENCE. 



President. — John Taylor, Esq., F.R.S., &c. 



Vice-Presidents — Professor Moseley. J. S. Enys. J. M. Rendel. 



Secretaries. — Henry Chatfield. Thomas Webster. 



CORRESPONDING MEMBERS. 



Professor Agassiz, Neufchatel. M. Arago, Secretary of the Institute, 

 Paris. A. Baclie, Principal of Girard College, Philadelphia. Pi-ofessor Ber- 

 zelius, Stockholm. Professor H. von Boguslawski, Breslau. Professor De 

 la Rive, Geneva. Professor Dumas, Paris. Professor Ehrenberg, Berlin. 

 Professor Encke, Berlin. Baron Alexander von Humboldt, Berlin. M. 

 Jacobi, St. Petersburg!!. Dr. Lamont, Munich. Professor Lieblg, Giessen. 

 Professor Link, Berlin. Professor Oersted, Copenhagen. M. Otto, Breslau. 

 Jean Plana, Astronomer Royal, Turin. M. Quetelet, Brussels. Professor 

 C. Ritter, Berlin. Professor Schumacher, Altona. 



