He and other officers of the legion were sent out to negotiate provisions for the winter of 56–55 BC; they were captured by Breton tribes who were then subjugated as Caesar describes in his Commentarii de Bello Gallico:
He and other legion officers were dispatched to secure winter supplies in 56–55 BC; they were seized by Breton tribes, which Caesar recounts in his Commentarii de Bello Gallico.