'Don't say you have another.'

'I have. And,' added Mr Mifflin, with modest pride, 'it is a winner.
This time I unhesitatingly assert that I have the goods. In about one
minute from now you will hear me exclaim, in a clear musical voice, the
single word, "Jump!" That is your cue to leap over the side as quick as
you can move, for at that precise moment this spanking craft is going
to capsize.'

George spun round in his seat. Mr Mifflin's face was shining with
kindly enthusiasm. The shore was at least two hundred yards away, and
that morning he had had his first swimming-lesson.

'A movement of the tiller will do it. These accidents are common
objects of the seashore. I may mention that I can swim just enough to
keep myself afloat; so it's up to you. I wouldn't do this for everyone,
but, seeing that we were boys together--Are you ready?'

'Stop!' cried George. 'Don't do it! Listen!'

'Are you ready?'

The _Ocean Beauty_ gave a plunge.

'You lunatic! Listen to me. It--'

'Jump!' said Mr Mifflin.

George came to the surface some yards from the overturned boat, and,
looking round for Mr Mifflin, discovered that great thinker treading