"A what?" shouted Hal, putting on all the speed he could command.

Dick had turned red all over.

"He's taking a sun bath," jeered Will.

"They say it's very salutary," added one of the others, his eyes running over with merriment.

"Don't let the police catch you at it, that's all," said another, as Dick tried to scrape the hay together round him.

Sigismund had turned back towards Hal, who by this time was nearly at the spot. "It's Dick Crozier," called he.

"Dick Crozier!" echoed Hal. "What's the matter?"

The next instant, however, the question answered itself, and for a brief space Hal was at a loss whether to laugh or look serious.

"But where are your clothes?" asked he at length, in a tone of incredulity.