There was a tap on the door, which was opened immediately without waiting for a permission. Millicent, rigid with fright, could only stare helplessly at the erect figure, the composed, pale face and the brilliant, imperious eyes of her aunt.

“What did you say, Bertie?” said Rebecca Winter. “I think I have a right to the whole truth.”

CHAPTER VI
THE VOICE IN THE TELEPHONE

“Well, Bertie?” Mrs. Winter had gone back to her parlor in the most docile manner in the world. Her submission struck Rupert on the heart; it was as if she were stunned, he felt.

He was sitting opposite her, his slender, rather short figure looking shrunken in the huge, ugly, upholstered easy-chair; he kept an almost constrained attitude of military erectness, of which he was conscious, himself; and at which he smiled forlornly, recalling the same pose in Haley whenever the sergeant was disconcerted.

“But, first,” pursued his aunt, “who was that red-headed bell-boy with whom you exchanged signals in the hall?”

The colonel suppressed a whistle. “Aunt Becky, you’re a wonder! Did you notice? And he simply shut the palm of his hand! Why, it’s this way: I was convinced that Archie must be on the premises; he couldn’t get off. So I telephoned a detective that I know here, a private agency, not the police, to send me a sure man to watch. He is made up as a bell-boy (with the hotel manager’s consent, of course); either I, or Millicent, or that boy has kept an eye on the Keatcham doors and the next room ever since I found Archie was gone. No one has gone out without our seeing him. If any suspicious person goes out, we have it arranged to detain him long enough for me to get a good look. I can tell you exactly who left the room.”

“It is you who are the wonder, Bertie,” said Aunt Rebecca, a little wearily, but smiling. “Who has gone out?”

“At seven Mr. Keatcham’s secretary went down to the office and ordered dinner, very carefully. I didn’t see him, but my sleuth did. He had the secretary and the valet of the Keatcham party pointed out to him; he saw them. They had one visitor, young Arnold, the Arnold’s son—”

“The one who has all the orange groves and railways? Yes, I knew his father.”