one
o'clock
`` There is no need of wasting further time . Come . '' They all filed out , Gertrude leading the way with Bailey , who assumed the care of her with such an air of possession that Allingham 's heart sank again . It was but a few moments before they were ascending the stairs of the apartment house -- the elevator ceasing to run after one o'clock . Gertrude led the way to the further end of the corridor . As they approached it , the dark figure of a man skulked out of the shadow and leapt through the open window . `` Quick !