“Because it seemed to me to have an indirect bearing upon the mystery of Woodman’s Lee. Ah, Hopkins, I got your wire last night, and I have been expecting you. Come and join us.”

Our visitor was an exceedingly alert man, thirty years of age, dressed in a quiet tweed suit, but retaining the erect bearing of one who was accustomed to official uniform. I recognized him at once as Stanley Hopkins, a young police inspector, for whose future Holmes had high hopes, while he in turn professed the admiration and respect of a pupil for the scientific methods of the famous amateur. Hopkins’s brow was clouded, and he sat down with an air of deep dejection.

“No, thank you, sir. I breakfasted before I came round. I spent the night in town, for I came up yesterday to report.”

“And what had you to report?”

“Failure, sir, absolute failure.”

“You have made no progress?”