"We're at close grips at last," said Holmes as we walked together across the moor. "What a nerve the fellow has! How he pulled himself together in the face of what must have been a paralysing shock when he found that the wrong man had fallen a victim to his plot. I told you in London, Watson, and I tell you now again, that we have never had a foeman more worthy of our steel." "I am sorry that he has seen you." "And so was I at first. But there was no getting out of it." "What effect do you think it will have upon his plans now that he knows you are here?" "Why should we not arrest him at once?"