Ingenious complications that will make the most hardened reader of detective stories sit up.
at he was in the hands of the police. Garth noticed also as he entered the car that the passengers were not aware of the substitution. He resented the repugnance in the glances they turned on the mask. Simmons' attitude toward life became comprehensible. But, as the journey extended itself interminably, Garth grew restless. He realized he was in the position of a man entering a cavern without a light. He must feel his way step by step. He must walk blindly toward innumerable and fatal pitfalls.
At last the train paused for the change from locomotive to electric motor. Although he knew that normally no passengers would board it at this place, he gazed anxiously from the window. A man stood close to the track with the evident intention of entering the train. Garth saw him elude a brakeman, saw him grasp the railing and swing himself out of sight. A moment later the man walked into the car, stopped dead, and turned sharp, inquisitive eyes on the gray mask.
About the figure was a somber air, accentu