"That must be it, Phil. We'll have to go to the police station, or find another telephone."
The boys rushed back to the offices and told of what they had discovered. Then Phil and Roger volunteered to run to the police station, over a quarter of a mile away.
"If you'll do that, I'll go to the railroad station," said Dave. "I may be able to pick up some clew. The twelve-fifteen train is almost due and those rascals may try to board it. If I see anybody that looks suspicious, I'll have him detained."
"Don't get into trouble!" called his father after him.
"I'll try to take care of myself. Dad," he answered.
Dave ran the whole distance to the depot. As he went along he kept his eyes wide open for a possible appearance of the robbers, peering down side-streets and alleyways, and into vacant lots. But he saw nobody until close to the station and then he received a sudden hail from in front of a coal office.
"Hi, you! Where are you going in such a hurry?" And a man in a dark blue uniform stepped into view, night-stick in hand.
"Just the man I want to see!" cried our hero. "I guess you know me, Mr. Anderson. Come
