![I.—An Estimate of the Geological Age of the Earth. By J. Joly, M.A., B.A.I., D.Sc., F.R.S., F.G.S., M.R.I.A., Hon. Sec. Roy. Dublin Soc., Professor of Geology and Mineralogy in the University of Dublin. Scientific Transactions of the Royal Dublin Society, ser. ii, vol. vii (1899); 4to, pp. 44.]()
I.—An Estimate of the Geological Age of the Earth. By J. Joly, M.A., B.A.I., D.Sc., F.R.S., F.G.S., M.R.I.A., Hon. Sec. Roy. Dublin Soc., Professor of Geology and Mineralogy in the University of Dublin. Scientific Transactions of the Royal Dublin Society, ser. ii, vol. vii (1899); 4to, pp. 44.Fisher, O. · Geological Magazine · 1900