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
In cases of damage (-iniuria-) to person or to property, where the injury was not of a very serious description, the aggrieved party was probably obliged unconditionally to accept compensation; if, on the other hand, any member was lost in consequence of it, the maimed person could demand eye for eye and tooth for tooth.
Since the arable land among the Romans was long cultivated upon the system of joint possession and was not distributed until a comparatively late age, the idea of property was primarily associated not with immoveable estate, but with "estate in slaves and cattle" (-familia pecuniaque-).
It was not the right of the stronger that was regarded as the foundation of a title to it; on the contrary, all property was considered as conferred by the community upon the individual burgess for his exclusive possession and use; and therefore it was only the burgess, and such as the community accounted in this respect as equal to burgesses, that were capable of holding property.
All property passed freely from hand to hand. The Roman law made no substantial distinction between moveable and immoveable estate (from the time that the latter was regarded as private property at all), and recognized no absolute vested interest of children or other relatives in the paternal or family property.
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Reference address : https://www.ellopos.net/elpenor/rome/1-11-law-justice.asp?pg=9