xiv Proceedings. [April 23rd, 1918. 



The following members were elected Officers of the Society 

 and Members of the Council for the ensuing year : — 



President : William Thomson, F.R.S.E., F.I.C., F.C.S. 



Vice-Presidents : T. A. Coward, F.Z.S., F.E.S. ; W. W." 

 Haldane Gee, B.Sc, M.Sc.Tech., A.M.I.E.E. ; Sydney J. 

 Hickson, M.A., D.Sc, F.R.S. ; Francis Jones, M.Sc, F.R.S.E., 

 F.C.S. 



Secretaries : R. L. Taylor, F.C.S., F.I.C. ; George Hickling, 

 D.Sc, F.G.S. 



Treasurer : W. Henry Todd. 



Librarian : C. L. Barnes, M.A. 



Other Members of the Council : Mary McNicol, M.Sc. ; 

 Francis Nicholson, F.Z.S. ; E. L. Rhead, M.Sc.Tech., F.I.C; 

 G. Elliot Smith, M.A., M.D., F.R.S. ; F. E. Weiss, D.Sc, F.R.S., 

 F.E.S. ; R. S. Adamson, B.Sc, M.A. 



Ordinary Meeting, April 23rd, 1918. 



The President, Mr. William Thomson, F.R.S.E., F.C.S., F.I.C, 



in the Chair. 



A vote of thanks was accorded the donors of the books upon 

 the table. These included " The Megalithic Culture of Indonesia," 

 by W. J. Perry and " Shells as Evidence of the Migrations of Early 

 Culture," by J. Wilfrid Jackson. 



A paper entitled "Radioactivity and the Coloration of . 

 Minerals," by Dr. E. Newbery and Mr. H. Lupton, B.Sc, was ' 

 then read. 



This paper is printed in full in the Memoirs. 



General Meeting, May 7th, 1918. 



The President, Mr. William Thomson, F.R.S. E., F.I.C, F.C.S., 



in the Chair. 



Miss Mabel Brook, B.Sc, c/o Messrs Tootal, Broadhurst Lee 

 Company Ltd., 56 Oxford Street, Manchester, was elected an Ordinary 

 Member of the Society. 



