But the stertorous breath of Mr. Kuyper could be heard. “My only aunt,” Reggie muttered.

“What’s the matter, sir?”

“Man hasn’t got a heart. This is very unusual. Good Lord! Heart well over on the right side. Heterotaxy very marked. Quite unusual. Ah! That’s more to the point. He’s had an operation on the thyroid gland. Yes. Just so.” He smiled happily.

“What was that word you said, sir?”

“Heterotaxy? Oh, it only means he’s got his things all over on the wrong side.”

“Then I know him!” Bell cried. “I thought I knew the look of him, as old as he is now. It’s Lawton, sir, Lawton of the big bank frauds. He went off with fifty thousand or more. Before your time, but you must have heard of it. Did a clear getaway.”

“And that’s that,” said Reggie. “Now we know.”

* * * * * *

Some days afterwards the Hon. Sidney Lomas called on Mr. Fortune, who was at the moment making a modest supper of devilled sole. “Did you clear it up?” he said.

“Try that champagne. It’s young but has distinction. Oh yes. Dr. Wilton quite agrees with me. A faulty thyroid gland is the root of the trouble.”