Sheep Run to the Hills, Hogs Grunt as a Signal, Dogs Fashion Their Own Bed.
    Sheep, when frightened, always run to an elevation, because their ancestors originally came from the mountains. They always follow a leader, because in the dangerous mountain passes their ancestors had to go in single file. Hogs grunt because their feeding grounds were thick woods, where they could not see one another, and sound was necessary to keep them together.
    Dogs have a way of turning around several times before they lie down. This looks very foolish now, but when they were wild things centuries ago, they slept in the tall grass and turned around several times to hollow out a bed, and they have never outgrown this habit, but to this late day they will turn around on a rug just as if they were in the tall grass.
    Cats have, perhaps, the most traces of old ancestral habits. Many times they do have a trace of the lion or tiger very near the surface. Their uncertain temper, their purring and growling, their sudden bounds, their tendency to scratch, all come from the forest and the jungle.-Indianapolis News.
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