^3atton. 



HIS MOST EXCELLENT MAJESTl' 



KIXG CtEOEGK V. 



Freddnif —The Duke of Northumberland, K.G. P.C D C L 

 LL.D. F.R.8. 



Treasurer— '^m James Crichton-Browne, M.D. LL.D. D.Sc. 

 F.R.S.— F.P. 



Honorary Secrefari/ — Sir William Crookes, O.M. LL.D. D.Sc. 

 F.R.S.— F.P. 



Managers. 1910-19n. 



Henry E. Armstrong, Esq., LL.D. 



F.E.S. 

 Sir Thomas Barlow, Bart., K.C.V.O. 



M.D. LL.D. D.Sc. F.R.S. Pres. 



R.C.P.-T.P. 

 Sir John Wolfe Barry, K.C.B. LL.D. 



F.R.S. 

 William Phipson Beale, Esq., M.P. 



K.C. F.C.S. 

 The Right Hon. Sir Henrv Burton 



Buckley, P.C. M.A.— KP.' 

 Sir Henry Cunvnghame, K.C.B. M.A. 

 Sir William Huggins, O.M. K.C.B. 



D.C.L.F.R.S.— F.P. {deceased} 

 Alexander C. lonides, Esq. 

 Alfred B. Kempe, Esq., M.A. D.C.L. 



Treas.R.S.—T'P. 

 Sir Francis Laking,-Bart., G.C.V.O. 



M.D. LL.D.— F.P. 

 George Matthey, Esq., F.R.S.— F.P. 

 Rudolph Messel, Esq., Ph.D. F.C.S. 

 The Right Hon. Earl of Plymouth, 



P.C. C.B. M.A. D.L. J.P. 

 The Right Hon. Sir James Stirling, 



P.C. LL.D. F.R.S. 

 Sir Philip Watts, K.C.B. LL.D. D.Sc. 



F.R.S. 



Visitors. 1910-19n. 



William Arthur Brailey, Esq., M.D. 

 M.A. M.R.C.S. 



James Mackenzie Davidson, Esq., 

 M.B. CM. 



Sir Frederick Fison, Bart., M.A. F.C.S. 

 John William Gordon, Esq. 

 James Dundas Grant, Esq., M.D. 

 M.A. F.R.C.S. 



Major-General Sir Coleridge Grove, 

 K.C.B. 



Charles Edward Groves, Esq., F.R.S. 

 Arthur Croft Hill, Esq., M.D. M.R.C.S. 

 A. Henry Savage Landor, Esq. 

 Sir Alexander Mackenme, Mus.Doc. 

 D.C.L. LL.D. 



Major Percv A. MacMahon, R.A. Sc.D. 



F.R.S. 

 Commendatore G. Marconi, LL.D. 



D.Sc. 

 Emile R. Merton, Esq. 

 Robert Mond, Esq., M.A. F.R.S.E. 

 Samuel West, Esq., M.D. M.A. 



F.R.C.P. 



Honorary Professor of Natural Philosophy — The Right Hon. Lord Raylbiqh, 



O.M. P.C! M.A. D.C.L. LL.D. Sc.D. F.R.S. &c. 

 Professor of Natural Philosophy — Sir J. ?. Thomson, M.A. LL.D. D.Sc. 



' F.R.S. &c. 

 Fullerian Professor of Chemistry — Sir James Dewar, M.A. LL.D. D.Sc. 



F.R.S. &c; 

 Fullerian Professor of Physiology— YnKB-EmcK W. Mott, Esq., jNI.D. F.R.S. 



F.R.C.P. 



Keeper of the Library and Assistant Secretary — INIr. Henry Young. 



Assistant in the Library — Mr. Ralph Cory, 



Assistant in the Laboratory— Mr. J. W. Heath, F.C.S. 



LONDON : PRINTED KT WILLIAM CLOWKS AND SONS, LIMITED 

 ORFAT WrNDMII.L STREET, W., AND DUKK STREET, STAMFORD STBKKT. S.B. 



