"Regular warfare will never do it!" he exclaimed decisively. "They have thousands where we have tens. Before we could pick them off with our firearms they'd have exhausted all our ammunition and have rushed us--and everything would be all over.
"No; there must be some quicker and more drastic way! Even dynamite or Pulverite could never reach them all, swarming over there through miles of forest. Only one thing can stand against them--fire!
"With fire we must sweep and purge the world, even though we destroy it! With fire we must sweep the world!"