about four o'clock in the evening
` Here are two hundred francs . Now listen to me ; you will know again the old woman who was at your house this morning ? ' ` Yes , master . ' ` To-morrow , or next day at latest , you will see her come , about four o'clock in the evening , on the bank in face of your island with a young fair girl . The old woman will make a signal to you by waving her handkerchief . ' ` Yes , master . ' ` What time does it take to go from the bank-side to your island ? '