Leave the rest all to me. You know. O boo de la thing.' 'What?' said Archie, in his turn. 'You know. The thing they say about camels. At the end of the trau ...' 'You mean the thing Mr Crawford says,' said Archie with ungenerous malice. 'Au bout de la trace on trouve toujours ou le chameau ou le proprietaire du chameau.' 'That's it!' said Philippa. 'That's it exactly. Only of course,' she said cheerfully, 'Mr Crawford says it in French.