midnight
I tried to draw my companion 's attention to them ; but he gave a little ejaculation of impatience , and continued to stare into the street . More than once he fidgeted with his feet and tapped rapidly with his fingers upon the wall . It was evident to me that he was becoming uneasy , and that his plans were not working out altogether as he had hoped . At last , as midnight approached and the street gradually cleared , he paced up and down the room in uncontrollable agitation . I was about to make some remark to him , when I raised my eyes to the lighted window , and again experienced almost as great a surprise as before . I clutched Holmes 's arm , and pointed upward . `` The shadow has moved ! ''