On the Nature of Heat-vibrations.—Phil. Mag., May, 1864.
On the Cause of the Cooling Effect produced on Solids by Tension.—Phil. Mag., May, 1864.
On the Physical Cause of the Change of Climate during Geological Epochs.—Phil. Mag., August, 1864.
On the Physical Cause of the Submergence of the Land during the Glacial Epoch.—The Reader, September 2nd and October 14th, 1865.
On Glacial Submergence.—The Reader, December 2nd and 9th, 1865.
On the Eccentricity of the Earth’s Orbit.—Phil. Mag., January, 1866.
Glacial Submergence on the Supposition that the Interior of the Globe is in a Fluid Condition.—The Reader, January 13th, 1866.
On the Physical Cause of the Submergence and Emergence of the Land during the Glacial Epoch, with a Note by Professor Sir William Thomson.—Phil. Mag., April, 1866.
On the Influence of the Tidal Wave on the Motion of the Moon.—Phil. Mag., August and November, 1866.
On the Reason why the Change of Climate in Canada since the Glacial Epoch has been less complete than in Scotland.—Trans. Geol. Soc. of Glasgow, 1866.