Toppleton's expression of surprise as Barncastle spoke would have done credit to a tragedian of the highest rank.
"Excuse me, Barncastle," he said, kindly. "I really think you'd better let me send for Lady Alice and have the family physician summoned. Your mind is somewhat affected."
"Come with me," said Barncastle, rising from his chair and leading Toppleton out through the door into and along the hallway until they reached his private apartment. "I want you on entering this room to swear never to divulge what you shall see within, for I shall prove the truth of my assertion respecting my soul before you leave it, and, Toppleton, the maintenance of my secret is a matter of life and death to me."
"Of course, my lord, I shall not tell anyone of this interview except for your good. It is truly painful to me, for in spite of your apparent clearness of head I cannot help feeling that the excitement of this evening, together with the responsibilities a man of your position must necessarily assume, have made you feverish and slightly delirious."
"I shall dispel all such ideas as that," said Barncastle, opening the door and ushering Hopkins into his room. "Pray be seated," he said, "and do not leave your seat until I request you to."
"I hear and obey," quoted Toppleton, his mind reverting to the Arabian Tales, the splendour of his surroundings and the generally uncanny quality of his experience reminding him forcibly of the land of the Genii.
"I am going to prove to you now," said Barncastle, "that what I have said about my soul is true. Excuse me for being absent from the room for just five minutes, and also pardon me if I extinguish the light here. Darkness is necessary to convince you that what I say is truth; and, above all, Toppleton, look to your nerves."
Barncastle suited his action to his words. He extinguished the light and disappeared. In five minutes, during which time Hopkins sat in the inky darkness alone trying to formulate a plan for future action, a panel in the wainscot was moved softly to one side and Toppleton found himself face to face with the fiend.
For a moment he was numb with fear, but when the green shadow moved toward him and spoke in soft insinuating tones and appeared to fear him quite as much as he feared it, his courage returned.
"What the deuce is this?" he cried, springing to his feet.