"Then I am wiser than you, for I do."

"You!" Mrs. Moxton bit her lip. "What do you know?"

"That the signs stand for the letters R. U. Z. What the lizard, as I think it is, means I don't know. Mrs. Moxton, what is the meaning of the three letters R. U. Z.?"

"I don't know, really I don't!"

"Had your husband any friend with a name beginning Ruz, or with initials R. U. Z.?"

"Not that I ever heard of."

"What about the lizard?"

"I cannot understand its meaning."

"And you don't comprehend either the letters or the cypher?"

"No! no! no!"