Note 1224 — Chapter XIX · THE HEBDOMON.
Reading edition
Notitia Dignitatum, pp. 12, 14, 16, etc. Edition of Otto Seeck. Du Cange thinks the Castle of the Theodosiani was the Castellion built by Tiberius to protect his fleet against the Bulgarians (see Anonymus, iii. p. 57; Codinus, p. 115).