a bit harshly. "But I'm going to order you to remain in New York for the present. And if you attempt to leave, you will be arrested. I hope that is clear."
He pressed a button, and his secretary entered.
"Swacker, please escort Miss St. Clair downstairs, and call a taxicab for her. . . . Then you can go home yourself."
She rose and gave Markham a little nod.
"You were very kind to lend me my cigarette-holder," she said pleasantly, laying it on his desk.
Without another word, she walked calmly from the room.
The door had no more than closed behind her when Markham pressed another button. In a few moments the door leading into the outer corridor opened, and a white-haired, middle-aged man appeared.
"Ben," ordered Markham hurriedly, "have that woman that Swacker's taking downstairs followed. Keep her under surveillance, and don't let her get lost. She's not to leave the city—understand? It's the St. Clair woman Tracy dug up."
When the man had gone, Markham turned and stood glowering at Vance.
"What do you think of your innocent young lady now?" he asked, with an air of belligerent triumph.
"Nice gel—eh, what?" replied Vance blandly. "Extr'ordin'ry control. And she's about to marry a professional milit'ry man! Ah, well. De gustibus. . . . Y' know, I was afraid for a moment you were actu'lly going to send for the manacles. And if you
