“‘He generally is,’ slipped in a thin girl, rather spitefully.

“‘I go to a ball to dance,’ continued the previous speaker, not noticing the interruption. ‘All I ask of a partner is that he shall hold me firmly, take me round steadily, and not get tired before I do.’

“‘A clockwork figure would be the thing for you,’ said the girl who had interrupted.

“‘Bravo!’ cried one of the others, clapping her hands, ‘what a capital idea!’

“‘What’s a capital idea?’ they asked.

“‘Why, a clockwork dancer, or, better still, one that would go by electricity and never run down.’

“The girls took up the idea with enthusiasm.

“‘Oh, what a lovely partner he would make,’ said one; ‘he would never kick you, or tread on your toes.’

“‘Or tear your dress,’ said another.

“‘Or get out of step.’