‘But all that is in Jules Verne’s story-books,’ remarked Babs. ‘Of course I’ve read Jules Verne. Is that what you call elements? I like elements, then, especially the Journey to the Centre of––’

‘Oh, I say, do stop,’ interrupted Margaret, biting her lip. She was divided between perplexity and amusement, and she wished that the head-mistress had stayed to examine this extraordinary imp of a child herself. ‘Haven’t you used any real geography books?’ she asked presently.

Barbara looked vague.

‘Do you know the map of England, for instance?’ pursued Margaret, rather desperately.

‘Oh, yes, I know the map of England,’ answered the child, confidently. ‘It’s so easy to find, because it’s pink. I know America too, because father has gone there to lecture, and he won’t be back for ever so long, not till––’

‘Hush!’ said the head girl. ‘Tell me what arithmetic you have done.’

‘Let me see, that’s figures without letters, isn’t it?’ inquired Babs. ‘I’m afraid I can only add up, because Bobbin hasn’t got any further yet; he’s backward in sums, you see, and I’ve only learnt mine through helping him with his prep. Sometimes, I wish he’d get on a little faster, because I’m getting so tired of––’

‘Then you mean to say,’ interposed Margaret, rather impatiently, ‘that you can only do simple addition?’

‘That’s in arithmetic,’ Barbara hastened to point out. ‘I’ve got as far as fractions in the funny sums that Kit does out of the other book; they’re much easier, because they have letters dotted about to help you. I always do Kit’s sums, when he has asthma; but he says I’m very slow. Then there’s the nice interesting book with pictures of triangles and things; we’ve got up to––’

‘Oh, don’t!’ said Margaret, and Barbara paused, a little surprised. Why did people ask her questions if they did not mean her to answer them? Margaret was drumming her fingers on the table and looking a little worried. ‘Have you learnt any languages?’ she asked suddenly. ‘I mean, anything besides French–German, for instance?’