150
TOM SWIFT AND HIS WIRELESS MESSAGE
followed, by a shaking, trembling and swaying of the ground.
"Another earthquake!" screamed Mrs. Nestor, rushing toward her husband. The castaways gazed at each other affrighted.
Suddenly, before their eyes, they saw the extreme end of that part of the island on which they were camping, slip off, and disappear beneath the foaming waves of the sea, while the echoes of the mighty crash came to their ears!