Tertiae decimae legionis vexillum, quattuor auxiliorum cohortes et quingenti equites in sinistro locantur; aggerem viae tres praetoriae cohortes altis ordinibus obtinuere; dextra fronte prima legio incessit cum duabus auxiliaribus cohortibus et quingentis equitibus: super hos ex praetorio auxiliisque mille equites, cumulus prosperis aut subsidium laborantibus, ducebantur.
they stationed a detachment of the Thirteenth legion, four auxiliary cohorts of infantry, and five hundred auxiliary cavalry on the left flank; the causeway three praetorian cohorts occupied in deep formation; on the right front the First legion advanced with two cohorts of auxiliary infantry and five hundred cavalry. In addition to these they were accompanied by a thousand praetorian and auxiliary horse to give them additional weight if victorious, or to act as a reserve if they were in difficulties
final_alignments\Tacitus_Histories_Book2.json