Yet Nick bowed without the slightest self-betrayal, and said, gravely:
"I will explain the situation to Pandu Singe."
For several minutes the two detectives maintained their curious game of talk.
Then Nick, who had speedily planned his own counter-move, again turned to Rufus Venner.
"The great Pandu Singe will do what you suggest," said he. "He wishes to see the diamonds, and will be pleased to come to your house."
Venner had felt sure of this to start with, though he little dreamed that Nick had guessed the truth, and knew that he was recognized.
"Let it be to-day, then," said he, quickly.
"At your own pleasure," bowed Nick.
"I will send my carriage far you at seven this evening," cried Venner, with secret exultation.
Nick gravely tendered one of the snake charmer's cards.