The fox at last felt the necessity of a run for his life, for he mounted the bluff, stopped a moment to breathe the fresh air, and chose his course across the country. The dogs had now gathered in a solid group, and were running with the precision of machinery. In a few moments they crossed the old field, and lost themselves in the blue distance. One or two hunters now came to where we were stationed, and suggested that we should cross the course taken by the fox; and with this idea we started off, a fine horseman…