"Air?" Waldron's match poised a moment, as with a slight widening of the pale blue eyes he surveyed his partner. "Why—er—what do you mean, Flint?"

"The Air Trust!"

"Eh?" And Waldron lighted his cigar.

"A monopoly of breathing privileges!"

"Ha! Ha!" Waldron's laugh was as mirthful as a grave-yard raven's croak. "Nothing to it, old man. Forget it, and stick to—"

"Of course! I might have expected as much from you!" retorted the Billionaire tartly. "You've got neither imagination nor—"

"Nor any fancy for wild-goose chases," said Waldron, easily, as he sat down in the big leather chair. "Air? Hot air, Flint! No, no, it won't do! Nothing to it nothing at all."

For a moment the Billionaire regarded him with a look of intense irritation. His thin lips moved, as though to emit some caustic answer; but he managed to keep silence. The two men looked at each other, a long minute; then Flint began again:

"Listen, now, and keep still! The idea came to me not an hour ago, this morning, looking over the city, here. We've got a finger on everything but the atmosphere, the most important thing of all. If we could control that—"

"Of course, I understand," interrupted the other, blowing a ring of smoke. "Unlimited power and so on. Looks very nice, and all. Only, it can't be done. Air's too big, too fluid, too universal. Human powers can't control it, any more than the ocean. Talk about monopolizing the Atlantic, if you will, Flint. But for heaven's sake, drop—"