where stands the chapel, and he asked Him, "Lord, whither goest Thou." "To be crucified again in Rome," was the answer. Peter, ashamed of his cowardice, returned and died a martyr's death.

In Poland as many as eighteen of these footprints have been registered.

Curiously enough, footprints outlined in the

marble have been found in the catacombs of Rome closing the graves of early Christians. In the Kircherian Museum in Rome is one of these. It is a square marble, slab with two pairs of footprints incised upon it, pointed in opposite directions, as if occasioned by a person going and returning, or by two persons passing each other. Another stone from the catacombs bears the name of