CHAPTER XV

VANCE MAKES A DISCOVERY (_Friday, July 13; 4.45 p. m._) Vance stood for a long time in uneasy silence. At length he lifted his eyes to Hennessey. “I wish you’d run up-stairs,” he said, “and take a post where you can watch all the rooms. I don’t want any communication between Mrs. Bliss and Salveter and Hani.” Hennessey glanced at Heath. “Those are orders,” the Sergeant informed him; and the detective went out with alacrity. Vance turned to Markham. “Maybe that priceless young ass actually wrote …