The dignified altercation had been witnessed by the main body of the tourists. Captain Gambier told them that he had merely interchanged amicable commonplaces with the Frenchman,--"or Italian," he added carelessly, reading the card in his hand. "I thought she might be somebody whom we knew," he said to Mrs. Sedley. "Not the shadow of a likeness to her," the lady returned. She had another opinion when later a scrap of paper bearing one pencilled line on it was handed round. A damsel of the party had picked it up near the spot where, as she remarked, "the foreigners had been sitting." It said:-- "Let none who look for safety go to Milan." CHAPTER VII A week following the day of meetings on the Motterone, Luigi the spy was in Milan, making his way across the Piazza de' Mercanti. He entered a narrow court, one of those which were anciently built upon the Oriental principle of giving shade at the small cost of excluding common air. It was dusky noon there through the hours of light, and thrice night when darkness fell. The atmosphere, during the sun's short passage overhead, hung with a glittering heaviness, like the twinkling iron-dust in a subterranean smithy. On the lower window of one of the houses there was a board, telling men that Barto Rizzo made and mended shoes, and requesting people who wished to see him to make much noise at the door, for he was hard of hearing. It speedily became known in the court that a visitor desired to see Barto Rizzo. The noise produced by Luigi was like that of a fanatical beater of the tomtom; he knocked and banged and danced against the door, crying out for his passing amusement an adaptation of a popular ballad:--