"Fenn will be killed," gasped Bart, and his heart almost stopped beating. But the buck struggled to his feet again, and succeeded in getting his leg free from the belt. Fenn had again grabbed hold of the horns of the infuriated animal, which, at that instant swung around, presenting a good shot to Bart. Should he fire? Could he hit the buck and not injure his chum? It was ticklish work, but the need was great. Bart decided in an instant, took quick aim and fired.