stamped his foot upon the ground, and walked briskly up and down, in the vain attempt to awake an echo; though by no means a fanciful person, therefore he was at last fain to charge the sounds upon his imagination, and treat them as an illusion. Thus satisfying himself, he resumed his walk, and before he had proceeded a dozen paces, the mysterious footfall was again audible from behind, and this time, as if with the special design of showing that the sounds were not the responses of an echo—the steps sometimes slackened nearly to a halt, and sometimes hurried for six or eight strides to a run, and again abated to a walk.
Captain Barton, as before, turned suddenly round, and with the same result—no object was visible above the deserted level of the road. He walked back over the same ground, determined that, whatever might have been the cause of the sounds which had so dis-
