He nodded, as if pleased. Then, folding his cloak about him, he murmured "adios!" and stalked away without another word or look.

"Queer fellow," remarked Uncle John.

The shopkeeper drew a long breath and seemed relieved.

"Il Duca is unusual, signore," he replied.

"Duke!" cried the girls, in one voice.

The man seemed startled.

"I—I thought you knew him; you seemed friends," he stammered.

"We met Signor Valdi on shipboard," said Uncle John.

"Valdi? Ah, yes; of course; the duke has been to America."

"Isn't his name Valdi?" asked Beth, looking the man straight in the eyes. "Has he another name here, where he lives?"