'I have not the least conception.'

'Do you know?'

'I do not.'

'Have you any reason to suppose that he's alive?'

I hesitated. Whether it was or was not a lie which I told, I could not say.

'None whatever.'

'You see, aunt: there's his answer for you.'

'For reasons of his own, Mr. Howarth has chosen to conceal the truth. But he does know; and he knows I know.'

The old lady's persistence roused me.

'May I ask, Lady Desmond, on what grounds you base your assertion?'