structure of its kind, consisting of two stories, and is an
illustration of many others of a similar character. The lower
apartment was ornamented with the more common decorative
stones, as marble, alabaster, serpentine, and porphyry, while
the upper, which enclosed the effigy of the saint, was
embellished with the costliest materials,— gold and precious
stones ; the offerings were usually arranged about the
basement of the shrine.