"You are quite right to say exactly what you think," he returned.

"Have you considered the possibility that some one is trading on your known enthusiasm for psychological research?" I asked.

"Surely you do not mean Randall?"

"No, but he may have been used as a tool. Frankly now, would you have undertaken this business just at the present time had it not been for Dr. Randall?"

"Probably not."

"So if you are being deceived it is being managed very subtly."

"You are full of supposition. Let us get to work. You speak in your letter of an experience you had last night. What was it?"

"You will say no doubt that my fear of the supernatural got the better of me."

I told him the story of the looking-glass as we stood in front of it, our two faces looking out at us dimly.

"Come away from it now, Wigan," he said when I had finished. "Burroughs thought you had fallen asleep, did he? You are convinced you were not dreaming, I presume?"