Syllabus for a series of lectures given by 5 scientists at the Edinburgh Museum of Science and Art during 1867-1868. They were: Sir Lyon Playfair (Chemistry), George James Allman (Natural History), Sir Archibald Geikie (Geology), Edward Sang (Natural Philosophy), and John Hutton Balfour (Botany).

Letter to Sir Archibald Geikie from George James Allman telling him that his paper on the Trap Rocks of Scotland will be accepted for the Transactions of the Royal Society of Edinburgh once he has undertaken the additions which he indicated he intends to make.

Letter to Sir Archibald Geikie from George James Allman telling him that his paper on the Trap Rocks of Scotland is of sufficient quality to publish in the Transactions of the Royal Society of Edinburgh without the additions he was planning, if that is what he wishes.