“About ten minutes later a knock came at the door, and here we made the one serious mistake for which I blame myself. Instead of opening the door ourselves, we allowed the girl to do so. We heard her say, ‘Mother, there are two men in the house waiting to see you,’ and an instant afterwards we heard the patter of feet rushing down the passage. Forbes flung open the door, and we both ran into the back room or kitchen, but the woman had got there before us. She stared at us with defiant eyes, and then, suddenly recognizing me, an expression of absolute astonishment came over her face.

“ ‘Why, if it isn’t Mr. Phelps, of the office!’ she cried.

“ ‘Come, come, who did you think we were when you ran away from us?’ asked my companion.

“ ‘I thought you were the brokers,’ said she, ‘we have had some trouble with a tradesman.’