She threw her arms round his neck with a happy laugh, and drew his face down to hers.

"Darling! darling!" she murmured. "How can we live without each other for one single day!"

She spoke in a low, soft voice. To Juliet, to whom every purling syllable was painfully audible, it sounded cooingly, like the voice of doves.

To the surprise of the girl to whom Mark had proposed marriage two days before, when she ventured to peep through her spy window, Mark's arms were round Julia and he was kissing her ardently.

But after a moment he released himself gently.

"You haven't told me, dear," he said, "what you are doing here."

His voice held a note of authority before which Julia's assurance vanished.

"I—I wasn't doing anything," she muttered.

"Julia!" he remonstrated.

"Well," she said, with some show of defiance, "I suppose anyone may take a book from the library."