and gave Connery back the keys. Connery still waited, until Eaton returned with the red-haired man, "D. S." He let them in and locked the door behind them.
"You are a doctor?" Connery questioned the red-haired man.
"I am a surgeon; yes."
"That's what's wanted. Doctor—"
"My name is Sinclair. I am Douglas Sinclair, of Chicago."
Connery nodded. "I have heard of you." He turned then to Eaton. "Do you know where the gentleman is who belongs to Mr. Dorne's party?—Avery, I believe his name is."
"He is in the observation car," Eaton answered.
"Will you go and get him? The car-door is locked. The porter will let you in and out. Something serious has happened here—to Mr. Dorne. Get Mr. Avery, if you can, without alarming Mr. Dorne's daughter."
Eaton nodded understanding and followed the porter, who, taking the keys again from the conductor, let him out at the rear door of the car and reclosed the door behind him. Eaton went on into the observation car. As he passed the club compartment of this car, he sensed an atmosphere of disquiet which gave him first the feeling that some of these people must know already that there was something wrong farther forward; but this was explained when he heard some one say that the door of the car ahead was locked. Another asked Eaton how he had got through; he put the questioner off and went on into the observation-room. No suspicion of anything having occurred had as yet penetrated there.
"How long you've been!" Harriet Dorne remarked
