41. In 1471 Alesso undertook important works for the church of baptistery of the cathedral. 42. Many Christian monuments are erected including the catacombs of Sousse or the Makthar baptistery . 43. To the latter date also belongs a large baptistery decorated with mosaics at Naples. 44. Later it was adapted, with a baptistery and sacristy to support the parishioners. 45. The fa�ade towards the baptistery has Ghibelline-style merlons with two large staircases. 46. He also designed the baptistery in the 1440s. 47. A miniature church, likely a baptistery , adjoined the cathedral from the south. 48. The counterpart to the baptistery is the sacristy in the left-hand aisle. 49. Small chapels adorn the south side, along with the baptistery towards the west. 50. The open chapel and baptistery area is the oldest surviving part of the complex.
