Scope and Contents This brown leather notebook contains mostly sketches with accounts of letters received or written, and hasty descriptions of geological theories pertaining to Bordeaux, the Pyrenees, and parts of Spain. 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...