"The Lamp is lighted," he said.

The Rat was looking at her keenly, but he did not see her face change at all. What he noticed most throughout their journey was that each person to whom they gave the Sign had complete control over his or her countenance, if there were bystanders, and never betrayed by any change of expression that the words meant anything unusual.

The great lady merely went on smiling, and spoke only of the dogs, allowing Marco and himself to look at them through the window of the carriage as the footman opened the door for her to enter.

"They are beautiful little creatures," Marco said, lifting his cap, and, as the footman turned away, he uttered his few Russian words once more and moved off without even glancing at the lady again.

"That is ONE!" he said to The Rat that night before they went to sleep, and with a match he burned the scraps of the sketch he had torn and put into his pocket.

XX

MARCO GOES TO THE OPERA

Their next journey was to Munich, but the night before they left Paris an unexpected thing happened.

To reach the narrow staircase which led to their bedroom it was necessary to pass through the baker's shop itself.