7 p.m., at the church of St Catherine of Italy, Valletta, the fourth public lecture on the restoration of Mattia Preti's The Martyrdom of St Catherine. Nazareno Gabrielli, scientific consultant of the St Peter Basilica, Rome will deliver the talk.

Exhibitions

9 a.m. to 2 p.m., at the British High Commission, Whitehall Mansions, Ta' Xbiex, Anton Abela's second solo art exhibition.

9.30 a.m. to 12.30 p.m., at Gallery G, 4, Sir Ugo Mifsud Street, Lija, an exhibition of Kenneth Zammit Tabona's paintings entitled Water Through Which The Dream Flows.

9.30 a.m. to 12.30 p.m., at Gallery G, 4, Sir Ugo Mifsud Street, Lija, Andrew Diacono's paintings and sculptures.

9 a.m. to 5 p.m. (last admission at 4.30 p.m.), at the National Museum of Fine Arts, South Street, Valletta, Visage, a sculpture and drawing exhibition by Jesmond Vassallo.

9 a.m. to 5 p.m. (last admission at 4.30 p.m.), at the National Museum of Fine Arts, South Street, Valletta, Watch, an exhibition by Vince Briffa, Ken G. Hay, Seetha A. and J. Michael Anderson.

10 a.m. to 6.45 p.m., at the Eden Foundation's offices in Gozo at 18, Republic Street, Victoria, an art and antiques exhibition.

6 to 9 p.m., at the Razzett tal-Markiż Mallia Tabone, Mosta, Mogħdijiet Fil-Mosta, watercolours by George Apap.

At Heritage Malta's head office in Merchants Street, Valletta, paintings, entitled Boats, Balconies And Buildings, by Lionel and Narinder Coates.

At RUX Art Gallery, Sir Antonio Micallef Street, Balzan, Esklussiv Ebejer, paintings, drawings and prints by Francis and Damian Ebejer, also including the former's books and memorabilia. Open on Saturday between 9 a.m. and 12.30 p.m. or by appointment by phone 9980 1721.