A. B. MACALLMM, M.B., Ph.D. W. H. ELLIS, M.A., M.B. B. E. WALKER, Esq. C. CARPMAEL, M A., F.R.S.C. WILLIAM BRODIE. Esq. CHARLES W. ARMSTRONG, Esq., Secretary of the Biological Section, W. H. MERRITT, F.G.S., Chairman of the Geological and Mining Section. J. C. HAMILTON, LL.B., Chairman of the Historical Section.