“I understand. I must therefore take no more excursions into my special subject, but must endeavour to regard the matter from the point of view of the enquiry. Am I to assume that Menendez was acquainted with the significance of this token?”

“He had seen it employed in the West Indies.”

“Ah, the black-hearted devil! But I fear I am involving myself more deeply in suspicion. Perhaps, Mr. Harley, the ends of justice would be better served if you were to question me, and I to confine myself to answering you.”

“Very well,” Harley agreed: “when and where did you meet the late Colonel Menendez?”

“I never met him in my life.”

“Do you mean that you had never spoken to him?”

“Never.”

“Hm. Tell me, Mr. Camber, where were you at twelve o’clock last night?”

“Here, writing.”

“And where was Ah Tsong?”