^3 a 1 1 n. 



HIS MOST EXCELLENT MAJESTY 



KING GEOEGE V. 



Prmdent—TuF, Duke of Northumberland, K.G. P.C. D.O.L. 

 LL.D. F.E.S. 



Treasurer Siu James Crichton-Browne:, J.P. M.D. LL.D. 

 D.Sc. F.R.S.— P.P. 



Honorary Secretari/ — SiR William Crookes, O.M. LL.D. D.Sc. 

 F.R.S.— F.P. 



Managers. 



1912-1913. 



Esq., PhD. 



Henry E. Armstrong, 



LL.D. F.R.S. 

 The Right Hon. Lord Avebury, P.C. 



D.C.L. LL.D. F.R.S.— F.P. 

 J. H. Balfour Browne, Esq., K.G. 

 W. A. Burdett-Coutts, Esq., M.P. 



M.A. 

 Sir Davil Gill, K.C.B. LLJ). D.Sc. 



F.R.S. 

 The Right Hon. The Earl of Halsbury, 



P.C. D.C.L. LL.D. F.R.S.— F.P. 

 Donald William Charles Hood, Esq., 



C.V.O. M.D. F.R.C.P.- F.P. 

 Alexander C. lonides, Esq. 

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



M.D. LL.D— F.P. 

 Henry F. Makins, Esq., F.R.G.S.— 



V.P. 

 The Right Hon. Viscount Iveagh, 



K.P. G.C.V.O. LL.D. F.R.S. 

 sir Alexander C. Mackenzie, Mus.Doc. 



D.C.L. LL.D. 

 Alan A. Campbell Swinton, Esq., 



M.Inst.C.E. 

 Alexander Siemens, Esq., M.Inst.C.E. 

 - —V.P. 

 The Right Hon. Sir James Stirling, 



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



Visitors. 1912-1913. 



Dugald Clerk, Esq., D.Sc. F.R.S. 

 M.Inst.C.E. 



Francis Darwin, Esq., M.A. LL.D. 

 F.R.S. 



William A. T. Hallowes, Esq., M.A. 



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



W. Ada-r.s Frost, Esq., F.R.C.S. 



H. R. Kempe, Esq., M.Inst.C.E. 



J. G. Gordon, Esq., F.C.S. 



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



Robert Kaye Gray, Esq., M.Inst.C.E. 



Sir Robt. Hadfield, F.R.S. M.Inst.C.E. 



C. E. Melchers, Esq. 



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

 F.R.S. 



William 

 F.C.S. 



Stoae, Esq., M.A. F.L.S. 



Major G. J. W. Noble. 



Harold Swithinbank, 

 F.R.S.E. 



Esq., J.P. 



fJ C f C £i C 0. 



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

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



Professor of Natural Philosophy — 



D.Sc. F.R.S. &c. 

 FuUerian Professor of Chemistry- 



F.B.S. &c. 

 FuUerian Professor of Physiology 



F.R.S. 



Sm J. J. Thomson, O.M. M.A. LL.D. 

 -Sir James Dewar, M.A. LL.D. D.Sc. 

 —William Bateson, Esq.,. M.A. D.Sc. 



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



Assistant in the Library — Mr. Ral^^h Cory. 



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



LOND >X : rRINTKD BT WILLIAM CLOWES AND SONS, LIMITED 

 GRfAT WINDMILL STREET, W., AND DUKE STUEET, STAMFOKD STREET. 



