At night they are certain to come up closer to the mouth of the cave.

Perhaps we may be able to get a shot at them then without exposing ourselves.

Surely, if they try to enter here we can quickly drive them back." The rest of the afternoon up to three o'clock was spent in dodging bullets.

Exactly on the hour of three there came an interruption that startled every one of the cave dwellers.

A rattling fire sprang up, but no bullets came their way.