The Church construction was begun over the site of the Chiesa di S.Maria della Fossa

The interior has a single nave and is harmonically divided by adorned Dorian pilaster, which reach the bottom of the coffered ceiling ( 1550 ) and include three arcades per side with altars in niche.

The marble pavement and balustrade were made in 1757

1^ST TO RIGHT 

Altarpiece Jacopo Zucchi Birth of John the Baptist 1585

Above  R: St Philip L: St Thomas

2^nd TO RIGHT 

Altarpiece school of Vasari Incredulity of St Thomas

Above  R: St Bartholomew  L: St Jude Taddeus

3^rd TO RIGHT  Cappella Rucellai

Altarpiece Cristoforo Roncalli (Pomarancio) Visitation

Above  R: St Simon L: St Mattew

ALTARPIECE

Giorgio Vasari Behading of St John

3^rd TO LEFT

Cappella del Crocefisso Modern Crucifix

Above R St Peter L St Andrew

2nd TO LEFT

Altarpiece Giovanni Battista Naldini St John the Evangelist in the Cauldron of boiling oil 1580

Above R St James the Elder  L St Mattew

1st TO LEFT

Cappella della Madonna della Misericordia 14^th century image of the Virgin and Child

Above R St John the Evangelist L St James the Younger