If, at the end of that time, Caroline Smith did not come out of the house across the street they could conclude that she did not stay there.

And then there would be nothing for it but to take the first train back West.
The third day passed and the fourth, dreary, dreary days of unfaltering vigilance on the part of the two watchers.

And on the fifth morning even Ronicky Doone sat with his head in his hands at the window, peering through the slit between the drawn curtains which sheltered him from being observed at his spying.

When he called out softly, the sound brought Gregg, with one long leap out of the chair where he was sleeping, to the window.

There could be no shadow of a doubt about it.