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
They were not liable however either to recruiting or to the land-tax, but contributed a definite amount of men and money, Little Leptis for instance paying the enormous sum annually of 365 talents (90,000 pounds); moreover they lived on a footing of equality in law with the Carthaginians, and could marry with them on equal terms.(3)
3. The most precise description of this important class occurs in the Carthaginian treaty (Polyb. vii. 9), where in contrast to the Uticenses on the one hand, and to the Libyan subjects on the other, they are called --ol Karchedonion uparchoi osoi tois autois nomois chrontai--. Elsewhere they are spoken of as cities allied (--summachides poleis--, Diod. xx. 10) or tributary (Liv. xxxiv. 62; Justin, xxii. 7, 3). Their -conubium- with the Carthaginians is mentioned by Diodorus, xx. 55; the -commercium- is implied in the "like laws." That the old Phoenician colonies were included among the Liby-phoenicians, is shown by the designation of Hippo as a Liby-phoenician city (Liv. xxv. 40); on the other hand as to the settlements founded from Carthage, for instance, it is said in the Periplus of Hanno: "the Carthaginians resolved that Hanno should sail beyond the Pillars of Hercules and found cities of Liby-phoenicians."
In substance the word "Liby-phoenicians" was used by the Carthaginians not as a national designation, but as a category of state-law. This view is quite consistent with the fact that grammatically the name denotes Phoenicians mingled with Libyans (Liv. xxi. 22, an addition to the text of Polybius); in reality, at least in the institution of very exposed colonies, Libyans were frequently associated with Phoenicians (Diod. xiii. 79; Cic. pro Scauro, 42). The analogy in name and legal position between the Latins of Rome and the Liby-phoenicians of Carthage is unmistakable.
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Reference address : https://www.ellopos.net/elpenor/rome/3-01-carthage.asp?pg=15