Others affirm, that the defeat was by Umbrians, not Gauls, and that the loss sustained was not so great.

That a party of foragers, under Lucius Manlius Torquatus, lieutenant-general, being surrounded, Scipio, the propraetor, brought up relief from the camp, and the battle being renewed, that the Umbrians, lately victorious, were defeated, and the prisoners and spoil retaken.

But it is more probable that this blow was suffered from a Gallic than an Umbrian enemy, because during that year, as was often the case at other times, the danger principally apprehended by the public, was that of a Gallic tumult, for which reason, notwithstanding that both the consuls had marched against the enemy, with four legions, and a large body of Roman cavalry, joined by a thousand chosen horsemen of Campania, supplied on the occasion, and a body of the allies and Latin confederates, superior in number to the Romans, two other armies were posted near the city, on the side facing Etruria, one in the Faliscian, the other in the Vatican territory.

Cneius Fulvius and Lucius Postumius Megellus, both propraetors, were ordered to keep the troops stationed in those places.
27.

The consuls, having crossed the Apennines, came up with the enemy in the territory of Sentinum, their camp was pitched there at the distance of about four miles.