four o'clock
But , come what will , when uncle comes home , Dick and I will go to Plymouth , if we walk barefoot . I am sure he would break his heart , if he had not me to fight his battles ; but I will never forsake him by land or by sea . '' `` Go to the children , and take care of them , '' said the old woman . `` And come to my house at four o'clock on Saturday afternoon , and ask for Mrs. Adair . '' The boy made a bow in a blunt manner ; but , as he waved his hand in passing her , she thought there was an appearance of good breeding , that would not have disgraced a boy in a much higher sphere . Mrs. Adair waited a considerable time in the cottage , and then returned home without receiving any satisfactory account of her pupil . All that she could learn was , that a little girl in a green bonnet had been seen stepping into a stage-coach .