"Do you think they will help us?" she asked.

"Might," he admitted.

"They must! I can't stay here all night. Hail them!"

He put two fingers between his lips and sent forth a shrill whistle.

"Do you call that a hail?" she exclaimed, rising to her feet. She made a miniature megaphone of her hands and flung a vigorous "Ahoy!" across the water.

The boat was closer now. Presently there was an answering voice.

"Any trouble?" said the voice.

The question affected the boatman like a shock of electricity. He started from his seat, leaned over the gunwale, and squinted through the gloom.

"Breakdown," called Miss Chalmers. "What boat is that?"

"Yacht Elizabeth. Want any help?"