Drawings and notes on the geology of various parts of Scotland, including Stonehaven, Pentland, Nairn and the Braid Hills. Geological features include curved silurian and old red sandstone.

Notes for 4 lectures on the 'Volcanic History of Britain', given to the Royal Institution in 1886. Sir Archibald Geikie looked at the emergence of types of geological formations against a geological timeframe and how they have been affected by various processes, especially the action of volcanoes and materials produced by them, within the natural world. He used examples from numerous locations from different parts of the British Isles.

Notes and text for seven lectures looking at the geological history of the American continent, looking at specific locations therein, based partly on results from American survey work. These locations were related to to other places around the world, particularly in Britain and Europe. A variety of geological formations were looked at, including that of the continent itself, considering the materials which make them up and the geological timeframe.