His voice trailed off. The sound of a confused and singular uproar came to me.

“Hullo!” I cried. “Hullo!”

A shriek—a deathful, horrifying cry—and a distant babbling alone answered me. There was a crash. Clearly, Deeping had dropped the receiver. I suppose my face blanched.

“What is it?” asked Bristol anxiously.

“God knows what it is!” I said. “Deeping has met with some mishap—”

When, over the wires—

“Hassan of Aleppo!” came a dying whisper. “Hassan ... of Aleppo...”

CHAPTER IV
THE OBLONG BOX

“You had better wait for us,” said Bristol to the taxi-man.

“Very good, sir. But I shan’t be able to take you further back than the Brixton Garage. You can get another cab there, though.”