"Then the bomb was merely hurled from the window?"
"Presumably. Nothing could be easier, and, of course, it could not be definitely seen or traced. But here is McGraw; so let us take advantage of his office."
The detective, though delighted to accompany Astro, and especially his pretty assistant, into the house across the street, belittled the possibilities of finding anything there. "I've been into every room on the block, and I saw nothing. But I ain't got the second sight, o' course. All I can say is, I hope you track 'em."
The party went up-stairs into a cheap lodging-house, accompanied by a frightened and voluble landlady, until they reached the third floor fronting on the street. McGraw knocked on the first door; but, getting no answer, motioned the landlady to unlock.
It was a small room, in great disorder, looking as if the tenant had suddenly taken his departure. The bed was unmade, the small bureau was covered with soiled linen, neckties, cigarette stubs, and the like, and a miscellaneous lot of shoes, magazines, newspapers, and rubbish were strewed on the floor. McGraw started to push his way in officiously; but the slim hand of the Seer detained him.
"Kindly wait outside a moment," he commanded. "My assistant and I would prefer to enter alone. The vibrations, you know," he murmured, with a smile. The moment the door was shut behind them, two pairs of eyes ransacked the place, hunting for the things they had already decided to find. Astro's were the first to come to rest on a pile of crumpled newspapers hastily thrown beneath the unkempt bed. In a flash he had
