“Can you tell me where he was last July, he and the ladies?”

“Yes, sir; they went to R——. The famous watering-place, you know. Ah,” he cried, seeing a change in my face, “do you think he could have met them there?”

I looked at him for a moment, then, rising in my turn, stood level with him, and exclaimed:

“You are keeping something back, Mr. Harwell; you have more knowledge of this man than you have hitherto given me to understand. What is it?”

He seemed astonished at my penetration, but replied: “I know no more of the man than I have already informed you; but”—and a burning flush crossed his face, “if you are determined to pursue this matter—” and he paused, with an inquiring look.

“I am resolved to find out all I can about Henry Clavering,” was my decided answer.

“Then,” said he, “I can tell you this much. Henry Clavering wrote a letter to Mr. Leavenworth a few days before the murder, which I have some reason to believe produced a marked effect upon the household.” And, folding his arms, the secretary stood quietly awaiting my next question.

“How do you know?” I asked.

“I opened it by mistake. I was in the habit of reading Mr. Leavenworth’s business letters, and this, being from one unaccustomed to write to him, lacked the mark which usually distinguished those of a private nature.”

“And you saw the name of Clavering?”