“Now for rule number two. ‘Establish your directions by observing and reading the signs of nature. Moss always grows on the north side of trees.’ Hm. Trees again, and telegraph poles won’t do as substitutes this time. Moss doesn’t grow on the north side of telegraph poles. There isn’t any difference between the north side of a telegraph pole and any other——”

Katherine’s train of thought was suddenly interrupted by her glance resting on the pole in question. One side of it, she could see in the light from the saloon, was glazed with ice where the driving rain had frozen in the chill wind. That wind was now coming from every direction—north, south, east and west—at once, and it was therefore impossible to judge from the whirling gusts which was north; but earlier in the evening, when the rain was falling, the wind had blown steadily from the north. Accordingly, the strip of ice on those poles carried the very same message as the moss on the trees in the woods. Katherine exclaimed aloud in delight at her discovery. In a twinkling she had her bearings.

“North, south, east, west,” she said triumphantly, pointing in the four respective directions. “Not a bad piece of scouting, that. What’s the difference, whether it’s moss or ice?—it’s the same principle. Talk about your pole stars!

“I believe I know approximately where I am,” she continued, her brain keeping up its logical working. “We turned south from B—— Avenue to go to the Music Hall, I remember hearing Veronica say so; therefore, not yet having come to B—— Avenue in my wanderings, I must still be on the south side of it, and by going due north will come to it eventually. The way is as plain as the nose on your face; just follow the ice on the telegraph poles. I can feel it in places where it’s too dark to see. All aboard for B—— Avenue!”

Katherine set off as fast as she could go through the darkness, whistling in her relief, and confidently keeping her feet pointed toward the north. As if acting upon the principle that the gods help them who help themselves, the street lights came on again just at that moment, showing up the corners and crossings, and making progress very much easier. She had gone some half dozen blocks, and was once more passing the long row of gloomy, windowless warehouses which she remembered having seen before, when it became apparent to her alert senses that she was being followed. For the last two or three blocks she had heard the sound of a footfall behind her, turning the same corners she had turned, taking the same short-cut she had taken through a factory yard, and gradually drawing nearer. “Creak, creak, creakety-creak!” Through the still night air it sounded with startling distinctness; the same squeaking footfall that had passed her ten minutes before, when she had crouched, with wildly beating heart, behind the fence in the dark alley. Filled with prophetic apprehension, she turned and looked around, and in the light of a street lamp several hundred yards behind her saw the figure that had loomed so large in her fears all evening. It required no second glance to recognize the long, light overcoat and the visor cap drawn low over the eyes. For an instant, Katherine’s feeling of alarm held her rooted to the spot, even while she noticed that the man had increased his speed and the distance between them was rapidly lessening; then the power of locomotion came back with a rush and she began to run. Her worst fears were confirmed when she heard the man behind her start to run also.

Katherine doubled her speed and fled like a deer, slipping wildly over the icy sidewalk and expecting every minute to fall down, but by some miracle of good luck managing to retain her balance. Yet, run as she might, she realized that her pursuer was gaining; the footsteps pounding along behind her sounded nearer and nearer every minute. Her long coat, winding about her knees, caused her to slacken speed; her breath began to give out; she developed an agonizing pain in her side. She knew that the race was lost; in a moment more she would be overtaken. She had just summoned breath for a last final spurt when she heard a crash behind her and the sound of a body falling on the sidewalk; she dashed on without slackening speed. The next minute she slipped on a sheet of ice in the middle of a crossing and fell headlong to the ground, just as a taxicab, coming out of the side street, turned the corner. Katherine heard a hoarse shout and the jamming of an emergency brake, then, before she had time to draw breath, the car was on top of her. A blinding light flashed for a moment in her eyes; her ears were filled with a deafening roar; then all of a sudden light and sound both ceased to be.

Hearing came back first with returning consciousness. The roaring noise no longer sounded in her ears, and from somewhere, a long distance off, came the sound of a voice speaking.

“Can’t you lift the car? She’s pinned underneath the wheels. No, you can’t back up; you’ll run over her head. Don’t you see it’s right behind that left wheel? Got a jack in your tool box? All right. Here—— Now——”

Gradually the weight that was pinning her to the ground was lifted, and she opened her eyes to find herself beside, and no longer under, the quivering monster with the hot breath. Three figures were moving about her in the light of the head-lamps, and now one of them knelt beside her and laid a hand on her head.

“She isn’t killed,” said a voice which sounded strangely familiar in Katherine’s ears, a voice which somehow carried her back to Carver House and the library fire.