Julius Honorius, also known as Julius Orator, a teacher of geography during the Dark Ages (late 4th to mid 6th century).
He is known only by a single work, Cosmographia, which is a set of notes he had written down by one of his students while he lectured about a world map (sphaera), and by references to this work by later writers such as Cassiodorus. The importance of the Cosmographia is that it is one of very few geographical works of this period in which any reliance can be placed. A number of variant manuscripts exist, which have been studied by Nicolet & Gautier Dalché. The only (relatively) modern print version was as one of a collection of fragmentary texts published by Riese.
Nothing else is known of his life, and even the date of the Cosmographia is not known with certainty. The reference by Cassiodorus puts it prior to the mid 6th century. The most recent study, by Modéran, suggests a late 4th century date.
An attempt to reconstruct the sphaera was made by Kubitschek.
- See bibliography. Riese's work employs a very complex annotation system to bring together for comparison manuscripts which may differ very significantly.
- Institutiones divinarum et saecularium litterarum, 25.
- Yves Modéran, Les Maures et l'Afrique Romaine (IVe-VIIe siècle), Ecole Française de Rome, 2003, pp. 85-93 (ISBN 2-7283-0640-0).
- W. Kubitschek, "Die Erdtafel des Julius Honorius", Wiener Studien v. 7 (1885) 1-24 & 278-310
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