"And," cut in Elizabeth, "you must admit that it has worked. There isn't a prouder, gentler, cleaner-minded boy in the world than Terry. Not blood. It's the blood of Jack Hollis. But it's what he thinks himself to be that counts. And now, Vance, admit that your theory is exploded."

He shook his head.

"Terry will do well enough. But wait till the pinch comes. You don't know how he'll turn out when the rub comes. Then blood will tell!"

She shrugged her shoulders angrily.

"You're simply being perverse now, Vance. At any rate, that picture is one of Terry's old 'ancestors,' Colonel Vincent Colby, of prewar days. Terry has discovered family resemblances, of course—same black hair, same black eyes, and a great many other things."

"But suppose he should ever learn the truth?" murmured Vance.

She caught her breath.

"That would be ruinous, of course. But he'll never learn. Only you and I know."

"A very hard blow, eh," said Vance, "if he were robbed of the Colby illusion and had Black Jack put in its place as a cold fact? But of course we'll never tell him."

Her color was never high. Now it became gray. Only her eyes remained burning, vivid, young, blazing out through the mask of age.