I make too sure.

I count too much on dead reckoning.

And so to-day I find when at last I take out the quadrant that we do come by a half-degree too much south, so that Curacao is now almost due north.

That is what cause the delay.

But we will be there to-morrow." The explanation, so completely satisfactory, and so readily and candidly forthcoming, left no room for further doubt that Don Diego should have been false to his parole.