down underneath, and the next minute, under the flashlight, the morocco leather case open, the diamond necklace was sparkling and flashing on its white satin bed.
"A tempting little thing, isn't it?" said Jimmie Dale gently. "It was really thoughtful of you, Markel, to buy that this afternoon!"
Jimmie Dale replaced the necklace in the cash box, set the cash box on the floor, closed the inner door of the safe, and swung the outer door a little inward—but left it flauntingly ajar. Then from a pocket of the leather girdle beneath his vest he produced his small, thin, flat, metal case. From this, from between sheets of oil paper, with the aid of a pair of tweezers, he lifted out a gray, diamond-shaped seal. Jimmie Dale was apparently fastidious. He held the seal with the tweezers as he moistened the adhesive side with his tongue, laid the seal on his handkerchief, and pressed the handkerchief firmly against the safe—as usual, Jimmie Dale's insignia bore no finger prints as it lay neatly capping the knob of the dial.
He reached down, picked up the cash box—and then, for the second time that night, held suddenly tense, alert, listening, his every muscle taut. A door opened upstairs. There came a murmur of voices. Then a momentary lull.
Jimmie Dale listened. Like a statue he stood there in the black, absolutely motionless—his head a little forward and to one side. Nothing—not a sound. Then a very low, curious, swishing noise, and a faint creak. Somebody was coming down the stairs!
Jimmie Dale moved stealthily from the recess, and noiselessly to the desk. Very faintly, but distinctly now, came a pad of either slippered or bare feet on the stairway carpet. Like a cat, soundless in his movements, Jimmie Dale crept toward the door of the room. Down the stairs came that pad of feet; occasionally came that swishing sound. Nearer the door crept Jimmie Dale, and his lips were thinned now, his jaws clamped. How near were they together, he and this night prowler? At times he could not hear the other at all, and, besides, the heavy carpet made the judgment of dis-
