"Well, Watson," said he, "it is time we went down to St. Luke's. Can you do without breakfast?"
"Certainly."
"Soames will be in a dreadful fidget until we are able to tell him something positive."
"Have you anything positive to tell him?"
"I think so."
"You have formed a conclusion?"
"Yes, my dear Watson, I have solved the mystery."
"But what fresh evidence could you have got?"
"Aha! It is not for nothing that I have turned myself out of bed at the untimely hour of six. I have put in two hours' hard work and covered at least five miles, with something to show for it. Look at that!"
He held out his hand. On the palm were three little pyramids of black, doughy clay.
"Why, Holmes, you had only two yesterday."
"And one more this morning. It is a fair argument that wherever No. 3 cam
