deal, you perceive. We know that a man stood in the road looking at the quarrel between the Barclays—the blinds were up and the room lighted. We know, also, that he ran across the lawn, entered the room, accompanied by a strange animal, and that he either struck the Colonel or, as is equally possible, that the Colonel fell down from sheer fright at the sight of him, and cut his head on the corner of the fender. Finally, we have the curious fact that the intruder carried away the key with him when he left."
"Your discoveries seem to have left the business more obscure that it was before," said I.
"Quite so. They undoubtedly showed that the affair was much deeper than was at first conjectured. I thought the matter over, and I came to the conclusion that I must approach the case from another aspect. But really, Watson, I am keeping you up, and I might just as well tell you all this on our way to Aldershot tomorrow."
"Thank you, you have gone rather too far to stop."
"It is quite certain that when Mrs. Barclay left the house at half-past seven she was on good terms with her husband. She was never, as I think I have said, ostentatiously affectionate, but she was heard by the coachman chatting with the Colonel in a friendly fashion. Now, it was equally certain that, immediately on her return, she had gone to the room in which she was least likely to see her husband, had flown to tea as an agitated woman will, and finally, on his coming in to her, had broken into violent recriminations. Therefore something had occurred between seven-thirty and nine o'clock which had completely altered her feelings towards him. But Miss Morrison had been with her during the whole of that hour and a half. It was absolutely certain, therefore, in spite of her denial, that she must know something of the matter.
"My first conjecture was, that possibly there had been some passages between this young lady and the old soldier, which the former had now confessed to the wife. That would account for the angry return, and also for the girl's denial that
