“At the same moment the convict screamed out a curse at us and hurled a rock which splintered up against the boulder which had sheltered us. I caught one glimpse of his short, squat, strongly built figure as he sprang to his feet and turned to run. -- A lucky long shot of my revolver might have crippled him, but I had brought it only to defend myself if attacked and not to shoot an unarmed man who was running away.”