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
The heavy infantry numbered fourteen legions, of which two were already raised by Varus, eight others were formed partly from the refugees, partly from the conscripts in the province, and four were legions of king Juba armed in the Roman manner. The heavy cavalry, consisting of the Celts and Germans who arrived with Labienus and sundry others incorporated in their ranks, was, apart from Juba's squadron of cavalry equipped in the Roman style, 1600 strong. The light troops consisted of innumerable masses of Numidians riding without bridle or rein and armed merely with javelins, of a number of mounted bowmen, and a large host of archers on foot.
To these fell to be added Juba's 120 elephants, and the fleet of 55 sail commanded by Publius Varus and Marcus Octavius. The urgent want of money was in some measure remedied by a self-taxation on the part of the senate, which was the more productive as the richest African capitalists had been induced to enter it. Corn and other supplies were accumulated in immense quantities in the fortresses capable of defence; at the same time the stores were as far as possible removed from the open townships. The absence of Caesar, the troublesome temper of his legions, the ferment in Spain and Italy gradually raised men's spirits, and the recollection of the Pharsalian defeat began to give way to fresh hopes of victory.
The time lost by Caesar in Egypt nowhere revenged itself more severely than here. Had he proceeded to Africa immediately after the death of Pompeius, he would have found there a weak, disorganized, and frightened army and utter anarchy among the leaders; whereas there was now in Africa, owing more especially to Cato's energy, an army equal in number to that defeated at Pharsalus, under leaders of note, and under a regulated superintendence.
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Reference address : https://www.ellopos.net/elpenor/rome/5-10-brundisium-pharsalus-thapsus.asp?pg=118