The worst form of such praedial slavery existed in Sicily, whither Mommsen supposes that its peculiarly harsh features had been brought by the Carthaginians.
Besides the coloni there were on a great estate - and those of the 4th century were on a specially large scale - a number of praedial slaves, who worked collectively under overseers on the part of the property which the owner himself cultivated.
Tithes were classified according to their nature as praedial, or It was his denial of the divine right of tithes that brought down the wrath of the Star Chamber upon the author.
To begin with, the relation between the villein and his lord was regarded as a personal and not a praedial one.
Serfdom is very often conceived as a perpetual adherence to the soil of an estate owned by a lord, but this praedial character is not a necessary feature of the condition.
But the whole class, apart from minor variations, was characterized by the idea that the peasants in question were serfs of the soil (servi terrae) on which they were settled, though protected by the laws in their personal and even in their praedial status.