In the midst of this his eye caught a sudden gleam of light. A dark cloud was rolling along the horizon and from it came an ominous roar.

Apparently Danny need no longer wonder about the probability of a storm. The flash of lightning which had attracted his attention, together with the rolling thunder which accompanied it, made a squall, at any rate, a distinct possibility.

CHAPTER SIXTEEN
THE DARK SIREN

“Watch out for that dark-faced siren.”

It was Danny’s flying pal who spoke. The dance was still on and he, Fred Angel, was dancing with Sally.

“You mean the Captain’s yeoman?” she suggested.

“Sure I do. While you were dancing with him, she looked as if she’d like to murder you.”

“Fred, why doesn’t she like me?”

“Can’t you guess?” He grinned.

“I might try, but I’d probably be wrong.”