The yearling dodged, Mark followed rapidly. There was a moment of vicious striking, and then the cadets gasped to see Williams give way. It was only an inch, but it told the story--Williams was tired. Fischer gazed at his watch and saw that there was yet half a minute, and at the same moment he heard a resounding thump. Mark had planted a heavy blow upon his opponent's chest, he followed almost instantly with another, and the yearlings groaned.