"The ladder! As he said, straight against the wall. Bravo! Now, if the house is only empty, the thing is done!"

The house was empty, and the thing was done. It all happened as Mr. Pendarvon had said it would. He ascended the ladder, raised the unlatched window frame, struck a light, passed through the empty house, and into the street beyond. He found a cab, and, ere long, he was at Albert Gate.

As he stepped out of the cab some one touched him on the shoulder from behind. He turned sharply round, thinking, perhaps, that he had but escaped from one pitfall to fall at once into another.

But it was not so. The person whom he found himself confronting was that recalcitrant member of the Murder Club, Lord Archibald Beaupré.

"You! Well?"

This was Mr. Townsend's greeting. Lord Archibald's response was a little delayed. When it did come it came in a hoarse whisper from between tremulous lips.

"Why did you do it?"

"Do what?"

Lord Archibald, leaning forward, whispered something into Mr. Townsend's ear.

"I was afraid, my dear Archie, that you might be a quarter of an hour too late." Mr. Townsend paused, looking at, without seeming to notice, the other's ashen countenance. "Is she dead?"