'They'll have to be opened when the police come,' observed Hamish.

Marjorie and Allan looked at each other.

'Do you think we ought to bring the police back at this time?' asked Marjorie in an undertone.

Allan sat down on a box, and the others all followed his example.

'We've got to consider what's to be done about this discovery,' began Allan. 'The first question is, have you showed the order to Pater or Mother already, Hamish?'

'Not yet,' said Hamish.

'Well, then,' said Allan, 'we've got to make up our minds whether we'd better do it or not.'

Hamish looked astonished.

'I don't see how there can be any doubt about that,' he began. 'Surely it's the very first——'

Marjorie, Allan, and Reggie were all looking at each other.