Close at hand came the howling of many wolves. It was almost as if the sound sprang up at the rising of his hand, just as the music of a great orchestra seems to leap under the bâton of the conductor. After a pause of a moment, he proceeded, in his stately way, to the door, drew back the ponderous bolts, unhooked the heavy chains, and began to draw it open.

To my intense astonishment I saw that it was unlocked. Suspiciously, I looked all round, but could see no key of any kind.