'HOWLY vargin what is that?' exclaimed Mickey McSquizzle, with something like horrified amazement. 'By the Jumping Jehosiphat, naow if that don't, beat all natur' ' 'It's the divil, broke loose, wid full steam on ' There was good cause for these exclamations upon the part of the Yankee and Irishman, as they stood on the margin of Wolf Ravine, and gazed off over the prairie. Several miles to the north, something like a gigantic man could be seen approaching, apparently at a rapid gait for a few seconds, when it slackened its speed, until it scarcely moved.