four o'clock
So , when all the boxes had been carefully put outside with the driver , and all the passengers had taken their places on the long side seats -LRB- it was one of those large side-seated carriages that Uncle William had brought , knowing he would have a big party to carry -RRB- , then with a sigh of relief Mrs. Bobbsey attempted to tell something of their experiences . `` But how did you know where we were ? '' Bert asked . `` We had been waiting for you since four o'clock , '' replied Uncle William . `` Then I found out that the train was late , and we waited some more . But when it came to be night and you had not arrived , I set out looking for you . I went to the Junction first , and the agent there told me you had gone in Hank 's stage .