“Yes, yes; you remember.”

“Was it not a very unsafe place to carry diamonds?”

“Yes, of course it was; but I could trust no one but myself! You remember then, doctor?”

Dr Chartley paused for a few moments, and shook his head again.

“No,” he said blandly, “I do not remember. Diamonds, you say?”

“Yes, yes, diamonds!”

“I hope they were not lost,” said the doctor simply.

“Yes; lost, lost!” cried Mark frantically. “The night you were struck down!”

“Here, hold hard!” cried Poynter sharply. “Look here, Mr Mark Heath, you came here that night?”

“Why do you interfere, sir?”