I began to have a strong notion of his suspicion.

“And Philippa,” I suggested.

“_Saw_ what I _heard_.”

I made no further effort to detain him. “Let us have her here,” I

cried. “If what you surmise is true, the mystery ought to be one of

easy solution. So easy,” I could not forbear adding, “that I wonder you

felt the need of sending for a detective.”

“You forget,” he observed, “that it is not so much the discovery of

the thief I am after, as the recovery of the jewels. The former I

might have managed without your assistance; but the latter requires an

authority backed by the law.” And merely stopping to call my attention

to the necessity of keeping a watch on the front door that no one

should escape from the house while he was gone, he hastily left me and

went up-stairs.

He was absent some twenty minutes, during which I heard him pass in and

out of his wife’s room. But when he came down he was alone, and his

countenance, which before had looked merely anxious and determined, now

bore the marks of anger and impatience.

“I do not know by what motive she is actuated,” cried he, “but I cannot

induce Philippa to speak. She insists she has nothing to say.”

“You saw her, then? I was afraid she had escaped by the back-stairs.”

“Hardly,” was the dry retort. “I caused the door leading to the rear

hall to be locked long ago.”

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