Only a few people did the boys meet as they moved on their way. Presently they encountered a policeman, who looked at them very closely, and enquired where they were going. Rod informed him, so with a warning that they should not be out so late, the official passed on. This was a new experience for the boys, and they were now fearful lest they should meet other policemen who might not be so lenient.
They had just reached a dark place when they heard some one walking with a heavy tread on the opposite side of the street. Thinking that it might be another policeman, the boys kept close together, and glided on as swiftly as possible. They did not run lest they should be heard. Their hearts beat fast, and they glanced nervously from side to side. The ways of the city, especially at night, wer
