The hand I touched was much harder, and the finger was bigger, thicker.

I say, this is ghastly." Again he shook himself, and cast a searching glance upon the little room.
"Somebody has been in here with us, sitting between us in the dark," he repeated.

"Good God, who is it ?" Valentine looked doubtful, but uneasy too.
"Let us go through the rooms," he said.
They took a candle, and, as on the previous night, searched, but in vain.

They found no trace of any alien presence in the flat.

No book, no ornament, had been moved.