three o'clock
At luncheon , Dr. Derwent was grave and disinclined to converse . On learning where Irene had been , he nodded , making no remark . It was a bad sign that his uneasiness could no longer be combated with a dry joke . As three o'clock drew near , Irene made no preparation for going out . She sat in the drawing-room , unoccupied , and was found thus when Arnold Jacks entered . `` You got my note ? '' he began , with a slight accent of surprise .