Please note that Mommsen uses the AUC chronology (Ab Urbe Condita), i.e. from the founding of the City of Rome. You can use this reference table to have the B.C. dates
From: The History of Rome, by Theodor Mommsen
Translated with the sanction of the author by William Purdie Dickson
Recommencement of Hostilities
On his arrival the patriot party came forward openly; the disgraceful sentence against Hasdrubal was cancelled; new connections were formed with the Numidian sheiks through the dexterity of Hannibal; and not only did the assembly of the people refuse to ratify the peace practically concluded, but the armistice was broken by the plundering of a Roman transport fleet driven ashore on the African coast, and by the seizure even of a Roman vessel of war carrying Roman envoys.
In just indignation Scipio started from his camp at Tunes (552) and traversed the rich valley of the Bagradas (Mejerdah), no longer allowing the townships to capitulate, but causing the inhabitants of the villages and towns to be seized en masse and sold. He had already penetrated far into the interior, and was at Naraggara (to the west of Sicca, now El Kef, on the frontier between Tunis and Algiers), when Hannibal, who had marched out from Hadrumetum, fell in with him.
The Carthaginian general attempted to obtain better conditions from the Roman in a personal conference; but Scipio, who had already gone to the extreme verge of concession, could not possibly after the breach of the armistice agree to yield further, and it is not credible that Hannibal had any other object in this step than to show to the multitude that the patriots were not absolutely opposed to peace. The conference led to no result.
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Reference address : https://www.ellopos.net/elpenor/rome/3-06-war-hannibal-cannae-zama.asp?pg=88