"And alone?"

His face grew grave again.

"There is nothing possible else!" said he.

It was nearly eight o'clock when he left. As he walked along Piccadilly, a clear and golden twilight was shining over the trees in the Green Park. All around him was the roar of the London streets; but it was not that that he heard. Was it not rather the sound of a soft, low voice, and the silvery

notes of the zither? His memory acted as a sea-shell, and brought him an echo from other days and other climes.

"Behold the beautiful night—the wind sleeps drowsily—the silent shores slumber in the dark:

"Sul placido elemento
Vien meco a navigar!

"The soft wind moves—as it stirs among the leaves—it moves and dies—among the murmur of the water:

"Lascia l'amico tetto,
Vien meco a navigar!

"Now on the spacious mantle—of the already darkening heavens—see, oh the shining wonder—how the white stars tremble: