Finding that his intended victim had disappeared beyond all question, the next step of the fierce assassin was to solve the meaning of the unaccountable occurrence. He noiselessly straightened up, and craning his head forward peeped through the undergrowth. All that he saw was the huge boulder or rock, within a few feet of where the youth had been standing. It followed, therefore that he had flung himself behind it, and was hiding there at that moment.