This was done: the consular Lucius Opimius, well known through his services in setting aside the revolution, had embraced the opportunity of gathering the reward of his patriotism, and had got himself placed at the head of the commission.

The division turned out thoroughly in favour of Jugurtha, and not to the disadvantage of the commissioners; Cirta (Constantine) the capital with its port of Rusicade (Philippeville) was no doubt given to Adherbal, but by that very arrangement the portion which fell to him was the eastern part of the kingdom consisting almost wholly of sandy deserts, while Jugurtha obtained the fertile and populous western half (what was afterwards Mauretania Caesariensis and Sitifensis).
Siege of Cirta This was bad; but matters soon became worse.

In order to be able under the semblance of self-defence to defraud Adherbal of his portion, Jugurtha provoked him to war; but when the weak man, rendered wiser by experience, allowed Jugurtha's horsemen to ravage his territory unhindered and contented himself with lodging complaints at Rome, Jugurtha, impatient of these ceremonies, began the war even without pretext.

Adherbal was totally defeated in the region of the modern Philippeville, and threw himself into his capital of Cirta in the immediate vicinity.

While the siege was in progress, and Jugurtha's troops were daily skirmishing with the numerous Italians who were settled in Cirta and who took a more vigorous part in the defence of the city than the Africans themselves, the commission despatched by the Roman senate on Adherbal's first complaint made its appearance; composed, of course, of young inexperienced men, such as the government of those times regularly employed in the ordinary missions of the state.