And although this attempt, so daring, succeeded not in its full extent, yet it was not without effect.

There was a fog, which continued through a great part of the day, so thick as to exclude the light of the sun, and to prevent not only the view of any thing beyond the rampart, but scarcely the sight of each other, when they should meet.

Depending on this, as a covering to the design, when the sun was scarcely yet risen, and the light which he did afford was obscured by the fog, the Samnites came up to an advanced guard of the Romans at one of the gates, who were standing carelessly on their post.

In the sudden surprise, these had neither courage nor strength to make resistance: an assault was then made, through the Decuman gate, in the rear of the camp: the quaestor's quarters in consequence were taken, and the quaestor, Lucius Opimius Pansa, was there slain; on this a general alarm was given to take up arms.
33.

The consul, being roused by the tumult, ordered two cohorts of the allies, a Lucanian and Suessanian, which happened to be nearest, to defend the head-quarters, and led the companies of the legions down the principal street.