Extracts chiefly from Sir Robert Sibbald's books and MSS on natural history in the Advocates' Library. Subjects include minerals, antiquities (e.g., Roman epigraphy, bones in medieval battlefields), sea and animal life, native customs (magical scarves that cattlemen's wives once wore), geographic curiosities (a cliff that shines in the sun, a natural hole of unsoundable depth, there being no frogs in Getland, etc.) Approximately 178 handwritten pages.

Authorship not known with certainty. At least two people.