"My reasons are my own. However, I will make a limited confidant of you. I am at work upon a cause which logical study does not perfectly elucidate. That frequently happens. I must see my man off his guard, when he is most himself. My visit to the Dove-Cote will be a psychological study."
"They will compel me to vouch for your good faith."
"You may do so. Nothing seen or heard by me there will ever be revealed. I go, as I have told you, to study a soul, not to gather facts. The facts are already mine."
"Where shall I call for you?"
"Here."
"At 8 o'clock?"
"Very well. There is one condition attached to our bargain. You shall not reveal this appointment to Harry Arnold."
"He will be there——"
"But he does not know me. We probably shall not meet. Other—gentlemen, as you call them—will be there."
"Miss Barlow," said Aronson, at this moment opening the door.