on the site of the Armilustrum, where the Sabine king, Titus Tatius,
was buried. In the left aisle are a well and staircase belonging to
the house of S. Alexius's parents, which formerly stood by the side of
the church, where, after his return from his pilgrimage, he was
allowed to live unrecognized by them. There is a very interesting
fresco of S. Alexius's life on the walls of the underground Church of
S. Clemente. (See page 228.)
_A little further, on the left, is the_