Then came an interruption and a change.
At the risk of losing all, the Marquis, interrupting his quiet stare, flashed one glance over his shoulder at the line of railway on his right.

Then he turned on Syme a face transfigured to that of a fiend, and began to fight as if with twenty weapons.

The attack came so fast and furious, that the one shining sword seemed a shower of shining arrows.

Syme had no chance to look at the railway; but also he had no need.

He could guess the reason of the Marquis's sudden madness of battle--the Paris train was in sight.
But the Marquis's morbid energy over-reached itself.