The scholia on classical manuscripts are the earliest known form of marginalia. The manuscript has complex contents; marginalia are incomplete. Medieval manuscripts have many marginalia depicting women with spindles. Extra text and images included in the margins of codices are called marginalia. Waugh also had a copy of Eaton's book, "Embalming Techniques", which Waugh annotated with marginalia. The study of written features such as marginalia, glosses, ownership inscriptions, etc. The earliest are found as marginalia written in a tenth-century hand in the Juvencus Manuscript. Five volumes of Samuel T. Coleridge's marginalia have been published. Dr. Peter Pridmore of La Trobe University has suggested the marginalia depicts an aardvark. It has 277 marginalia and 20 commentaries on a De Materia Medica of Jean Ruel. Marks made in the margins are called marginalia. The hand-written marginalia are not always chronological. A five-part section titled "Marginalia" is written mostly in haiku. The first recorded use of the word "marginalia" is in 1819 in "Blackwood's Magazine".