“That was the state of things, Watson, when upon the Tuesday morning I, at the request of Major Murphy, went down to Aldershot to supplement the efforts of the police. I think that you will acknowledge that the problem was already one of interest, but my observations soon made me realize that it was in truth much more extraordinary than would at first sight appear.

“Before examining the room I cross-questioned the servants, but only succeeded in eliciting the facts which I have already stated. One other detail of interest was remembered by Jane Stewart, the housemaid. You will remember that on hearing the sound of the quarrel she descended and returned with the other servants. On that first occasion, when she was alone, she says that the voices of her master and mistress were sunk so low that she could hear hardly anything, and judged by their tones rather than their words that they had fallen out. On my pressing her, however, she remembered that she heard the word David uttered twice by the lady. The point is of the utmost importance as guiding us towards the reason of the sudden quarrel. The Colonel’s name, you remember, was James.