was erected by Paul III. Its walls are painted in fresco, the
conversion of S. Paul and the execution of S. Peter being by Michael
Angelo. The painted roof and the portraits of twenty-eight Popes are
by Lorenzo Sabatini and Frederigo Zucchero.
_Retracing our steps through the Sistine Chapel, and going up a narrow
stair, we enter, through a small white door, two rooms containing_