"We'll give 'em five hundred," concluded Hank.

"That will be nearer the mark," agreed the Duke.

Very deliberately they adjusted the sights of their carbines. "I think," she heard the Duke say, "that the gentleman in the white night-shirt is some sort of leader."

Hank raised his weapon. For a moment his cheek cuddled the stock and the slim barrel pointed at the invisible enemy.

"Bang!"

Her horse moved restlessly, and Sir Harry was all but unseated.

"Bang!"

The Duke fired.

"Got him!" said Hank and waited.

In a minute the two came running to their horses. "Gone to ground," said the Duke briefly, and sprang into the saddle.