Suor Acqua” (Sister Water), Anatolia called her, caressing the soft bands of hair on her forehead with her fingers. “Take that name.”

“It would be presumptuous,” replied the Poor Clare with laughing humility.

She recalled to me with only a slight variation the saying of the saint: Symphonialis est aqua.

We were all there close to the rushing fountain. Each of the mouths was pouring out its voice through a glass pipe like a curved flute. The lower shell was quite full already, and the four sea-horses were up to their bellies in water.

“The design is by Algardi, the Bolognese,” said the prince, “the architect of Innocent X.; but the sculpture was done by the Neapolitan Domenico Guidi, the same who executed the greater part of the relief of Attila at St. Peter’s.”

Violante had drawn near the edge of the basin again, and I gazed at the reflection of her figure in the liquid element, whose continual tremor melted the features as it rippled away round the horses’ hoofs.

“There is a tragic story in connection with this fountain,” added the prince, “a story which has become the source of some superstitious ideas. Don’t you know it?”

“No, I don’t,” I replied, “but tell it me, if you will.”

And I looked at Antonello, thinking of the lost soul which tormented and terrified him at night. He also was now looking intently at Violante’s reflection as it trembled in the depths of the water.

“Here in this fountain Pantea Montaga was drowned,” began Don Luzio. “In the time of the Viceroy Peter of Aragon——”