"Now, as it is urgent that no one should know of our relations, as it might compromise the success of our scheme, I must ask you to open the gates of the fort for me.

"What, so soon, in this frightful weather?"

"I must, brother, it is of the utmost importance that I should start at once."

"You insist."

"I beg it of you, Harry, for our common benefit."

"Come, then, sister, I will detain you no longer."

Two minutes later, in spite of the storm which still howled with the same fury, the She-wolf was rowing from Fort Mackenzie at full speed.


[CHAPTER XIX.]

THE CHASE.