"What kind of a trick?" asked Mark, arching his eyebrows.
"These rings are not diamond rings."
"What are they, then?" asked Mark in assumed surprise.
"Paste—bogus!" answered Schuyler scornfully.
"Are you sure of that, Mr.——?"
"Schuyler."
"Mr. Schuyler."
"Yes. I took them round to a—jeweler, and had him test them."
"It must be a mistake," murmured Mark.
"It is a very strange mistake, then, for a first-class house to make," rejoined Schuyler in a tone of sarcasm.