ten in the morning
`` Bicker was going to do that . '' `` What was the signal to be ? '' `` Three white handkerchiefs stuck on the ends of a cross made of sticks six feet long . He was going to show these at ten in the morning or four in the afternoon , from the southwest corner of the stockade , behind the mess hall . '' `` And what was the signal to be if you wanted the enemy to hold off for a while ? '' `` A red shirt if he wanted them to hold off for one day and a red and a blue shirt if they were to hold off for two days . '' `` You are certain about these signals ?