He hurried on. People still passed by him—too many. And then a café, just ahead, making a corner, gave him the opportunity that he sought. Away from the entrance, on the side street, the brilliant lights from the windows shone out on a comparatively deserted pavement. There was ample light to read by, even as far away from the window as the curb, and Jimmie Dale, with an approving nod, turned the corner and walked along a few steps until opposite the farthest window—but, as he halted here at the edge of the street, he glanced quickly behind him at a man whom he had just passed. The other had paused at the corner and was staring down the street. Jimmie Dale instantly and nonchalantly produced his cigarette case, selected a cigarette, and fastidiously tapped its end on his thumb nail.
"Inspector Burton in plain clothes," he observed musingly to himself. "I wonder if it's just a fluke—or something else? We'll see."
Jimmie Dale took a box of matches from his pocket. The first would not light. The second broke, and, with an exclamation of annoyance, he flung it away. The third was making a fitful effort at life, as another man emerged hastily from the café's side door, hurried to the corner, joined the man who was still loitering there, and both together disappeared at a rapid pace down the street.
Jimmie Dale whistled softly to himself. The second man was even better known than the first; there was not a crook in New York but would side-step Lannigan of headquarters, and do it with amazing celerity—if he could!
"Something up! But it's not my hunt!" muttered Jimmie Dale; then, with a shrug of his shoulders: "Queer the way those headquarters chaps fascinate and give me a thrill every time I see them, even if I haven't a ghost of a reason for imagining that"
The sentence was never finished. Jimmie Dale's face was gray. The street seemed to rock about him—and he stared, like a man stricken, white to the lips, ahead of him. The letter was gone! His hand, wriggling from his empty pocket, swept away the sweat beads that were bursting from
