About “Euthalian Apparatus”
The Euthalian Apparatus is a collection of editorial additions to the New Testament, including text divisions, lists, and summaries. It is found at the beginnings and ends of books, in margins, and through line and paragraph separations. The material is associated with the Catholic epistles, the Pauline epistles, and the Book of Acts. It is traditionally linked to the name of Euthalius. The apparatus serves as a guide for reading and understanding the text. (Summary adapted from Wikipedia, CC BY-SA 4.0.)
Some summaries adapted from Wikipedia, CC BY-SA 4.0.