PATRON. Sir RODERICK IMPEY MURCHISON, Bart., K.C.B., G.C.St.S., M.A., D.C.L., F.R.S., and L.S., Director-General of the Geological Survey of the United Kingdom. PRESIDENT. ARCHIBALD GEIKIE, F.R.S., Director of the Geological Survey of Scotland. I. HONORARY FELLOWS. ( Limited to Twenty .) His Grace The Duke of Argyll, K.T., LL.D., Argyll Lodge, Camden Hill, Kensington, London. Andrew Crombie Ramsay, F.R.S., F.G.S., Professor of Geology, Royal School of Mines, Jermyn Street, London. George J. Allman, M.D., F.R.S.E., Professor of Natural History in the University of Edinburgh. John Hutton Balfour, A.M., M.D., F.R.S.E., Professor of Botany in the University of Edinburgh. Thomas Davidson, F.R.S., F.G.S., 33 Park Crescent, Brighton. E. W. Binney, F.R.S., F.G.S., 40 Cross Street, Manchester. James Nicol, F.G.S., F.R.S.E., Professor of Natural History in the University of Aberdeen. Thos. C. Archer, F.R.S.E., Director of the Edinburgh Museum of Science and Art. A. Keith Johnston, LL.D., F.G.S., F.R.S.E., Geographer to Her Majesty the Queen. David Page, LL.D., Edinburgh. T. B. Johnston, F.R.S.E., Treasurer to the Society of Antiquaries, Scotland. William Nelson, Salisbury Green, Dalkeith Road, Edinburgh. II. ORDINARY FELLOWS. ( Fellows who have compounded for their Annual Subscriptions, and become ‶Life Members,″ are marked with an asterisk. *) Adams, W. H. Davenport, 3 West Brighton Crescent, Portobello. Angus, George, 5 St Andrew Square. *Archibald, John, Devonvale, Tillicoultry. Armstrong, William, M.E., Wingate, County Durham. Austine, J., Oak Lodge, Hamilton. Bartholomew, Rev. George, 6 Salisbury Place, Newington. Bathgate, George T., 4 Bank Street. Beattie, Adam, 1 Bellevue Crescent. Begbie, William M., 6 North-East Circus Place. 10 Begg,