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fought a running duel with a posse fresh from Elkhead. The man hunters were alert, but it was their secret hope that the two famous outlaws would destroy each other, but how the wild chase would end no one could know. At last Buck Daniels rode to tell Kate Cumberland strange news.

When he stumbled into the ranch house, Kate and her father rose, white-faced. There was an expression of waiting terror in their eyes.

"Buck!" cried Joe.

"Hush! Dad," said Kate. "It hasn't come yet! Buck, what has happened?"

"The end of the world has come for Dan," he said. "That devil Silent——"

"Dan," cried old Joe, and rushed around the table to Buck.

"Silent has dared Dan to meet him at three o'clock tomorrow afternoon in Tully's saloon in Elkhead! He's held up four men in the last twenty-four hours and told them that he'll be at Tully's tomorrow and will expect Dan there!"

"It isn't possible!" cried Kate. "That means that Silent is giving himself up to the law!"

Buck laughed bitterly.

"The law will not put a hand on them if it thinks that they'll fight it out together," he said.