COMPETITION; DETAILS No 342

In which painting by which painter can you find this wasteful activity?

Details 340 came from Fernand Khnopff's picture known variously as Art, The Sphinx or The Caresses (1896). It is in the Musees Royaux des Beaux-Arts in Brussels.

The first three correct entries came from Malcolm Smith of London SE5; Mrs L Hepburn of Chatham, Kent; and Clive Wilmer of Cambridge.

Each will receive a bottle of champagne, as will this week's winners. Answers, on a postcard (to arrive by Wed 2 Jul, please), to: DETAILS 342, IoS, 1 Canada Sq, London E14 5DL.