Genevieve stared after him, dazed and bewildered by her half realization of the truth. The door had closed between them—what seemed to her an age had passed—when the full realization of what he had done flashed in upon her clouded brain like a ray of glaring white light.

She flung out her arms and cried entreatingly: "Tom! Tom—dearest!"

She tried to dart around the table, but swayed and tottered, barely saving herself from the fall by sinking into a chair. The heavy, muffled clang of the street door came to her as from a vast distance. The merciful darkness closed over her.

CHAPTER XXXI

A BRIDGE GAME

The cold snap at Michamac had been broken for nearly a month, and work on the bridge was progressing with unprecedented rapidity.

Two days after the ball, Ashton had returned to the bridge sobered and chastened. The change in him may have been due to another cut in his allowance, or to a peppery interview during which Mr. Leslie had sought to browbeat him into resigning his position.

Whatever the cause of his change of heart, Ashton had so far proved himself almost feverishly eager to establish a record. Griffith, badly shaken by the failure and disappearance of Blake, had been peremptorily ordered South by his physician. Seizing the opportunity, Ashton, instead of interfering with the work, as McGraw expected, had astonished the phlegmatic general foreman by pushing operations with utmost zeal and energy.

More mechanics and laborers had been hired, and the augmented force divided into three eight-hour shifts. All day, in sun or fog or snow, and all night, under the bluish glare of the arc-lights, the expert bridgemen toiled away upon the gaunt skeleton of the gigantic bridge, far out and above the abyss of the strait. Not a moment of the twenty-four hours was lost.

But the Resident Engineer's brief spurt of energy had already notably relaxed, when, one sunny day near the end of March, a man not a member of the train crew nor a regular passenger came in on the afternoon train. As he emerged from under a coal car, one of the switchmen stared at him blankly, swore a few lurid oaths, and laughed.