Ahead, the swiftly-approaching fan of radiance, white, dazzling, beautiful, that seemed to gush from earth so far below and to the eastward.

Already the thunders of the Falls were audible.
"Where are the others ?" Gabriel wondered, his thoughts seeming to hum and roar in his head, in harmony with the shuddering diapason of the muffler-deadened exhaust.

"No way of telling, now.

Each man for himself--and each to do his best!" And then his thoughts reverted to Catherine; and round his heart a sudden yearning seemed to strengthen his stern, indomitable resolve--"Victory or death!" But now there was scant time for thought.

The moment of action was already close at hand.