“Mr. Mergleson,” he cried, “I say—Mr. Mergleson.”

“What’s up?” said Mr. Mergleson.

“He’s gone!”

“Who?”

“Bealby.”

“Home?” This almost hopefully.

“No.”

“Where?”

“Up there! I think he ran against somebody.”

Mr. Mergleson scrutinized his subordinate’s face for a second. Then he listened intently; both men listened intently.