As they head for home what two discoveries do they make? What does this signify?

Kino finds his canoe with a splintered hole in the bottom. He rushes home to find Juana and Coyotito, but Juana tells Kino that their house was torn up and the floor dug, and someone set fire to the outside.

Source(s): http://www.gradesaver.com/the-pearl/study-guide/section5/