four o'clock
`` Well ! '' said Dawson , `` and who was the visitor ? '' `` I do not know , '' answered Calder . `` The one thing I do know is that when Durrance 's servant went to call him at four o'clock for his journey , he found Durrance still sitting on the verandah outside his quarters , as though he still expected his visitor . The visitor had not come . '' `` And Durrance left no message ? '' `` No .