CHURCH OF SS. GIOVANNI E PAOLO,

whence Cardinal Howard takes his title. It was erected in the fourth century on the site where the martyrdom of the above saints took place, by Pammachus, the friend of S. Jerome. They were officers of Constantine's household, and were put to death by Julian. The medieval portico is formed by eight marble and granite pillars. The aisles are formed by sixteen ancient columns; the pavement is of opus Alexandrinum; the stone surrounded by a railing is said to be that on which the martyrs suffered death. The outside of the medieval apse is rare.

To the left of the church, and beneath the adjoining Passionist Convent (ring at the door on the right), are the remains of some solid unfinished stone arches, supposed to be