phatically, obviously striving to allay whatever fears his queries may have aroused in her. "Those footprints undeniably indicate that the intruder entered each time by the front door."
"And you are not to have any uneasiness about the future, Miss Greene," added Markham. "I shall give orders to-day to have a strict guard placed over the house, front and rear, until there is no longer the slightest danger of a recurrence of what has taken place here."
Heath nodded his unqualified approbation.
"I'll arrange for that, sir. There'll be two men guarding this place day and night from now on."
"How positively thrilling!" exclaimed Sibella; but I noticed a strange reservation of apprehension in her eyes.
"We won't detain you any longer, Miss Greene," said Markham, rising. "But I'd greatly appreciate it if you would remain in your room until our inquiries here are over. You may, of course, visit your mother."
"Thanks awf'ly, but I think I'll indulge in a little lost beauty sleep." And she left us with a friendly wave of the hand.
"Who do you want to see next, Mr. Markham?" Heath was on his feet, vigorously relighting his cigar.
But before Markham could answer Vance lifted his hand for silence, and leaned forward in a listening attitude.
"Oh, Sproot!" he called. "Step in here a moment."
The old butler appeared at once, calm and sub-
