They looked at the young fellow curiously as he came toward them. He seemed not more than eighteen years of age and his thin features wore a tired expression that was not the result of his recent experience but proved to be habitual. His manner was not languid, however, but rather composed; at the same time he held himself alert, as if constantly on his guard. His dress was simple but in good taste and he displayed no embarrassment as he greeted the party with a low bow.