On the Eccentricity of the Earth’s Orbit, and its Physical Relations to the Glacial Epoch.—Phil. Mag., February, 1867.

On the Reason why the Difference of Reading between a Thermometer exposed to direct Sunshine and one shaded diminishes as we ascend in the Atmosphere.—Phil. Mag., March, 1867.

On the Change in the Obliquity of the Ecliptic; its Influence on the Climate of the Polar Regions and Level of the Sea.—Trans. Geol. Soc. of Glasgow, vol. ii., p. 177. Phil. Mag., June, 1867.

Remarks on the Change in the Obliquity of the Ecliptic, and its Influence on Climate.—Phil. Mag., August, 1867.

On certain Hypothetical Elements in the Theory of Gravitation and generally received Conceptions regarding the Constitution of Matter.—Phil. Mag., December, 1867.

On Geological Time, and the probable Date of the Glacial and the Upper Miocene Period.—Phil. Mag., May, August, and November, 1868.

On the Physical Cause of the Motions of Glaciers.—Phil. Mag., March, 1869. Scientific Opinion, April 14th, 1869.

On the Influence of the Gulf-stream.—Geol. Mag., April, 1869. Scientific Opinion, April 21st and 28th, 1869.

On Mr. Murphy’s Theory of the Cause of the Glacial Climate.—Geol. Mag., August, 1869. Scientific Opinion, September 1st, 1869.

On the Opinion that the Southern Hemisphere loses by Radiation more Heat than the Northern, and the supposed Influence that this has on Climate.—Phil. Mag., September, 1869. Scientific Opinion, September 29th and October 6th, 1869.