They watched the sky, too, during the long days when Ned was in prison at Asuncion.  Late on the afternoon of the 21st, as the reader knows, Ned searched the eastern slope for them but they did not see him.  On the morning of the 23d they were taken from the cave and placed in full sight on the eastern slope, where they would be sure to be seen from the sky.  They did not know what to make of this at first, but directly, when they saw Indians, heavily armed, stationed in hiding places all about them, they understood.