Small red leather soft cover notebook, marbled end papers, paginated in handwritten ink. Front cover marked as 'Madeira & Canaries'.This notebook records discussions, reading, drawings and copy letters (in Mary's writing) made whilst with Hartung at Swingenberg, Germany, and working through the Canary Islands publication, making revisions or notes, especially on volcanoes, lava slopes, elevations and upheaval. Many pages written in pencil. Blank from page 89 onwards.
