Scope and Contents This brown leather notebook contains geological observations in pencil, and detailed sketches of mountain ranges. The cover is blank, and the index is a page adhered to the back cover. The following table of contents is Lyell's own words, copied from Lyell's own "Index", found at the beginning and end of the notebook, transcribed from digital surrogates using the platform Transkribus. When known, Lyell's abbreviations and contractions...