"To-night he does not return, so I must go myself to the hospital--you can wait." "Let me go," said Milburgh.

"I will help you." Ling Chu shook his head.
"You can wait," he said with a sinister smile.

"I will go first to the hospital and afterwards, if all is well, I will return for you." He took a clean white towel from the dressing-table and laid it over his victim's face.

Upon the towel he sprinkled the contents of a third bottle which he took from the cupboard, and Milburgh remembered no more until he looked up into the puzzled face of Tarling an hour later..