...ack blotch appeared on the back of my hand, which I seem to see now. What is that? said I, alarmed, I know not why, at the blotch on my hand. That, said he, dropping my hand, is the mark by which Benedict Arnold is known in the next world. He said no more, gentlemen, but drew from beneath his cloak an object which he laid upon the table — laid upon the very paper on which I was writing. This object...