"Do you know Commerce Street?" asked the girl.

"Sure I do," said the cabby.

"Well, go to No. 589."

The cabman jerked around his horse. They were in Greenwich Village now, and not far from the old New York Central freight depot. Trim little brick houses with white portals and tiny eves lined the streets. Slender lanes led away into black distances. The night was silent save for the rush and roar of the elevated and the clack of their own horse's hoofs. Not a window was agleam. In this respectable neighborhood folks went to bed betimes, and got up early.

The cool night air soothed Ralston's nerves, but with it he felt limp and tired. The excitement at the restaurant, the wild dash down Fifth Avenue, the presence with them of a man who might perhaps be dead, the fear of pursuit, the extraordinary situation in which he, a man of so much recent prominence, found himself, the strange way in which this girl had become a partner in his fortunes, dazed and bewildered him.

"He can't be dead," muttered Ralston. "He can't be dead!"

The cab turned into a little street lined with irregularly shaped houses. A few gnarled and distorted trees, whose trunks burst out of the concrete pavement, raised their dust-laden branches, prehensile and unnatural, into the starlight. A hundred feet from where the street began it turned sharply to the left, forming a right angle, and debouched again into another thoroughfare. Had one of the ends of it been closed it would have formed a natural cul-de-sac—an appendix to one of the great canals of the city. And with curious impropriety the city fathers had named this "accidental" Commerce Street, leaving it to the imagination as to what sort of commerce had been intended. A rickety gas lamp leaned dangerously toward a flight of high wooden steps in the angle of the street. Strangely enough, when the street turned the house turned, too, so that half its front faced north and half east. The natural inference was that the inside of the house was shaped like a piece of pie, with its partially bitten point abutting on the corner.

Ralston took charge of Sullivan and the girl sprang down and stepped into the area. Somewhere at a great distance a bell rang once, and then, more faintly, a second time. They waited in silence. On the main thoroughfare beyond the gnarled trees a policeman slowly sauntered across the street. At the top of one of the opposite houses a window was raised cautiously and voices could be heard whispering. Again the bell jangled loosely in the distance, then came the sound of iron bars rattling and bolts being shot back. A grating creaked rustily.

"It's me—Floss. Let me in."

The girl ran back to the cab and a match flared in the grating. Ralston thought he saw a wrinkled face behind the light.