Publius Crassus
While naval operations were taking place in the waters of the Veneti, Publius Crassus was sent south to Aquitania, this time with a force consisting of twelve Roman legionary cohorts, allied Celtic cavalry and volunteers from Gallia Narbonensis. Ten cohorts is the standard complement of the Caesarian legion, and the twelve cohorts are not identified by any unit number. Caesar relates Publius's challenges and successes at some length and without any ambiguity about their military nature. Cassius Dio provides a synopsis, which does not accord in every detail with the account of Caesar: