Letter to Robert Boog-Watson from Sir Archibald Geikie while on field study in Ayrshire. Geikie suggests that he writes a paper on the Arran deposit at Lamlash. He discusses his geological research in Ayrshire in detail and in particular glacial deposits. He reports a technical difficulty with his possible professorship. He mentions Sir Andrew Crombie Ramsay's possible future movements and his current health.