‘Yes; Señor Larralde.’

‘Is he here?’

‘Yes,’ said Concha.

They walked on in silence for some minutes.

‘What are we all doing here, Padre?’ inquired Sir John, with his cold laugh.

‘What are you doing here, señor?’

Sir John did not answer at once. They were walking leisurely. The streets were deserted, as indeed the streets of Toledo usually are.

‘I am putting two and two together,’ the great lawyer answered at length. ‘I began doing so in idleness, and now I have become interested.’

‘Ah!’

‘Yes. I have become interested. They say, Padre, that a pebble set in motion at the summit of a mountain may gather other pebbles and increase in bulk and speed until, in the form of an avalanche, it overwhelms a city in the valley.’