He heard a knock downstairs, but at first ignored it. No one would be coming here of a Sunday morning.

Finally he went down.

There, on the step, immaculately dressed, rather weary looking with dark areas under red eyes, stood Senator Watt.

'How do you do,' said he, with dignity.

'Won't you come in?' said Henry.

They mounted the stairs. The Senator sat stiffly on a small chair. Henry took the piano stool.

'I understand that you did me a very great service last night, Mr Calverly.'

'Oh, no,' Henry managed to say, in a mumbling voice, throwing out his hands. 'No, it wasn't really anything at all.'

'You will please tell me what it cost.'

'Oh—why—well, fifteen dollars.'