240
THE ORANGE-YELLOW DIAMOND
and continued to track the slim figure quickly advancing in the moonlight. He followed until they had passed the front of the hospital—a few yards further, and Yada suddenly crossed the road in the direction of the Underground Railway. He darted in at the entrance to the City-bound train, and disappeared, and Melky, uncertain what to do, almost danced with excitement until Ayscough came leisurely towards him. "Quick! quick!" exclaimed Melky. "He's gone down there—City trains. He'll be off unless you're on to him!"
But Ayscough remained quiescent and calmly relighted his cigar.
"All right, my lad," he said. "Let him go—just now. I've seen—what I expected to see!"
