All through school hours I make mistakes. Mr. and Mrs. M’Choakumchild call me up, over and over again, regularly to make mistakes. I can’t help them. They seem to come natural to me.’

‘Mr. and Mrs. M’Choakumchild never make any mistakes themselves, I suppose, Sissy?’

‘O no!’ she eagerly returned. ‘They know everything.’

‘Tell me some of your mistakes.’

‘I am almost ashamed,’ said Sissy, with reluctance. ‘But to-day, for instance, Mr. M’Choakumchild was explaining to us about Natural Prosperity.’

‘National, I think it must have been,’ observed Louisa.