DuQuesne was in his laboratory, poring over an abstruse article in a foreign journal of science, when Scott came breezily in with a newspaper in his hand, across the front page of which stretched great headlines. “Hello, Blackie!” he called. “Come down to earth and listen to this tale of mystery from that world-renowned fount of exactitude and authority, the Washington Clarion. Some miscreant has piled up and touched off a few thousand tons of T.N.T. and picric acid up in the hills. Read about it, it’s good.” Washington ClarionDuQuesne read: Two Hundred Dead, None Injured! Scientists Baffled. HARPER’S FERRY. March 26.—At 10: 23 A.M. today, the village of Bankerville, about thirty miles north of this place, was totally destroyed by an explosion of such terrific violence that seismograp

