He took the range again, and found there was a slight difference, which was, however, enough to show that the form of the triangle had been disturbed.
Both ships were headed for the same point, and the sides of the triangle were equal at the first observation.

Now the St.Regis's side of the figure was perceptibly shorter than its opposite.

This proved to the captain that his ship had gained on the other.

The two chasers had been losing on the chase for the last half-hour, and Christy regarded them as out of the game.
There was some appearance of fog in the south-west, and no land could be seen in any direction.

For another hour the St.Regis drove ahead furiously on her course, and the highflyer was doing the same.