The Chapel belongs to the Spirits.
On the altar:
- Giuseppe MASTROLEO (news 1673-1733), Martyrdom of St Erasmus (1740).
In the vault and on the walls:
- Andrea DE LIONE (1610-1685), frescoes with Glory and Stories from the Life of St Erasmus.
II altar - Madonna of the Arch:
- Lazzaro MARASI (active in the late 16th and early 17th centuries), Our Lady of the Arch (1610-1611).
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