The Great Ice Age and its Relation to the Antiquity of Man, 2nd ed., pp. xxvii + 624, 19 pls., 8vo, London.
1878. “On the Glacial Phenomena of the Long Island or Outer Hebrides” (2nd paper), Quart. Journ. Geol. Soc., vol. xxxiv., pp. 819–67, illus.
“On the Preservation of Deposits of Incoherent Materials under Till or Boulder-clay,” Geol. Mag., dec. ii., vol. v., pp. 73–9, 287–8.
(With A. C. Ramsay) “On the Geology of Gibraltar,” Quart. Journ. Geol. Soc., vol. xxxiv., pp. 505–39.
1880. “Discovery of an Ancient Canoe in the Old Alluvium of the Tay, at Perth,” Scottish Naturalist, vol. v., pp. 1–7.
“Changes of Climate in Post-Glacial Times,” ibid., pp. 193–203.
Prehistoric Europe: a Geological Sketch, pp. xviii + 592, 2 pls., 3 maps, 8vo, London.
1881. “Natural Rubbish Heaps,” Proc. Perthshire Sci. Soc., vol. i., pp. 3–5.
“The Geological History of Perthshire” (Presidential Address, 3rd March 1881), ibid., pp. 17–21.