He picked up the telephone and called the number. While waiting for the connection, Harry wondered who the person with the quiet voice could be. Some agent of The Shadow. He doubted that it could be The Shadow himself. The Shadow might be out of town — perhaps in Harrisburg!
The thought was not encouraging. To-night's adventure might show sudden developments. It was more than four hours from Harrisburg by the fastest train. The Shadow, superman that he was, could not be in the capital of Pennsylvania and in Manhattan at the same time. That might account for the delay in action.
Vincent knew from experience that when danger threatened The Shadow's presence was invaluable.
Harry also wondered where the person whom he was calling was located. Probably at some temporary place, which was being used for to-night only.
"Hello." It was the quiet voice coming across the phone.
"Hello," said Harry. "Everything the same."
"Keep watching."
"Wait!"
Harry had seen a man come stealthily up the street. The fellow was outside the store window now, looking at the house across the street.
"What's up?" asked the methodical voice.