The doctor came over and laid his hand upon the handle.
"You will, I am sure, excuse me for a few moments, Mr.Hamel," his host begged.

"My niece and nephew will do their best to entertain you.

Now, Sarson, I am ready." Mr.Fentolin glided across the dim, empty spaces of the splendid apartment, followed by the doctor; a ghostly little procession it seemed.

The door was closed behind them.

For a few moments a curious silence ensued.