Thus far they had evinced no signs of giving out. Yet there was the dreadful uncertainty.
In every other respect except that of buoyancy the Dart seemed as seaworthy as ever.
She made rapid speed through the limitless waste of water, and her engines worked to perfection.
But it did not seem possible that the vessel could long proceed without coming to land in some direction.
Yet there was the fatal possibility of traveling about in a mighty circle for an indefinite length of time.
The keenest outlook was kept, and the spirits of all on board the Dart were much in the same channel.
There was the same strained, anxious feeling, the dreadful sense of uncertainty, the horror of impending death in an awful form.
Barney was constantly at the wheel in the pilot-house, keeping the keenest sort of an outlook.
And one day there was seen to be a sudden change in the color of the sea water.
All noticed it with a thrill, and a great cry went up.