`Good heavens!' I cried in amazement.

The face of Stapleton had sprung out of the canvas.

`Ha, you see it now. My eyes have been trained to examine faces and not their trimmings. It is the first quality of a criminal investigator that he should see through a disguise.'

`But this is marvellous. It might be his portrait.'

`Yes, it is an interesting instance of a throwback, which appears to be both physical and spiritual. A study of family portraits is enough to convert a man to the doctrine of reincarnation. The fellow is a Baskerville - that is evident.'

`With designs upon the succession.'

`Exactly. This chance of the picture has supplied us with one of our most obvious missing links. We have him, Watson, we have him, and I dare swear that before to-morrow night he will be fluttering in our net as helpless as one of his own butterflies. A pin, a cork, and a card, and we add him to the Baker Street collection!' He burst into one of his rare fits of laughter as he turned away from the picture. I have not heard him laugh often, and it has always boded ill to somebody.

I was up betimes in the morning, but Holmes was afoot earlier still, for I saw him as I dressed, coming up the drive.

`Yes, we should have a full day to-day,' he remarked, and he rubbed his hands with the joy of action. `The nets are all in place, and the drag is about to begin. We'll know before the day is out whether we have caught our big, leanjawed pike, or whether he has got through the meshes.'

`Have you been on the moor already?'

`I have sent a report from Grimpen to Princetown as to the death of Selden.

I think I can promise that none of you will be troubled in the matter. And I have also communicated with my faithful Cartwright, who would certainly have pined away at the door of my hut, as a dog does at his master's grave, if I had not set his mind at rest about my safety.'

`What is the next move?'

`To see Sir Henry. Ah, here he is!'

`Good-morning, Holmes,' said the baronet. `You look like a general who is planning a battle with his chief of the staff.'

`That is the exact situation. Watson was asking for orders.'

`And so do I.'

`Very good. You are engaged, as I understand, to dine with our friends the Stapletons to-night.'

`I hope that you will come also. They are very hospitable people, and I am sure that they would be very glad to see you.'

`I fear that Watson and I must go to London.'

`To London?'

`Yes, I think that we should be more useful there at the present juncture.'