crazy!"

Nevertheless, from the muffled plunging and tinkling that followed,
they seemed to be moving in the direction where the light had
appeared. Then there was a pause.

"There's nothing but a rocky outcrop here, where a house couldn't
stand, and we're off the trail again," said the first speaker
impatiently.

"Stop!--there it is again!"

The same square of light appeared once more, but the horsemen had
evidently diverged in the darkness, for it seemed to be in a
different direction. But it was more distinct, and as they gazed a
shadow appeared upon its radiant surface--the profile of a human
face. Then the light suddenly went out, and the face vanished with
it.

"It IS a window, and there was some one behind it," said the second
speaker emphatically.

"It was a woman's face," said the pleasant voice.

"Whoever it is, just hail them, so that we can get our bearings.
Sing out! All together!"

The three voices rose in a prolonged shout, in which, however, the
distinguishing quality of the pleasant voice was sustained. But
there was no response from the darkness beyond. The shouting was