1. Franz had remained for nearly a quarter of an hour perfectly hidden by the shadow of the vast column at whose base he had found a resting-place, and from whence his eyes followed the motions of Albert and his guides, who, holding torches in their hands, had emerged from a vomitorium at the opposite extremity of the Colosseum, and then again disappeared down the steps conducting to the seats reserved for the Vestal virgins, resembling, as they glided along, some restless shades following the flickering glare of so many ignes fatui.