'I call myself Charles Brown; that is not my real name, which I have only uttered once in the past five years, and that was when I gave it to the master of the brig which rescued your son. But I will not conceal it from you. My name is Henry Casalle.'

Both father and son started.

'Casalle!'

The man smiled bitterly. 'Ah, you know it. Yes, I am Henry Casalle, who, with four other prisoners, escaped from New Caledonia to Wreck Reef. I suppose the police are looking for me?'

In an instant Mr. Wallis was on his feet, closed the door, and turned the key. The man watched him with the utmost calmness.

IN AN INSTANT MR. WALLIS WAS ON HIS FEET, CLOSED THE DOOR, AND TURNED THE KEY.

'You ask me,' said Mr. Wallis in a low voice, 'if I know the name of Casalle.' He placed his hand on the visitor's shoulder. 'I do know it. That little girl there is the daughter of a man who has become a dear friend of mine. His name is Ramon Casalle.'

The stranger's swarthy face paled visibly, and his lips twitched.

'I had a brother Ramon. I have never seen him since we were children together. Where is he?'