Note 523 — Chapter X · (Year of Rome 702.) (Book VII. of the “Commentaries.”) REVOLT OF GAUL—CAPTURE OF VELLAUNODUNUM, GENABUM, AND NOVIODUNUM—SIEGES OF AVARICUM AND GERGOVIA—CAMPAIGN OF LABIENUS AGAINST THE PARISII—SIEGE OF ALESIA.
Reading edition
We believe that these castella were palisaded redoubts having a recess attached, similar to the wooden blockhouses represented on the Trajan Column; often even these recesses alone composed the castellum.