ten o'clock
`` Miss Bright and Miss O'Malley , who were in the second wagon , thought you were in the first with Miss Pierson and Miss Nesbit , and vice versa , '' replied the chief . `` The second wagon broke down when about half way home . It took over half an hour to get it fixed , so when it did arrive the girls in the head wagon had all gone home . Your mother grew uneasy when ten o'clock came , so she telephoned your friends , and on comparing notes you were found to be among the missing . '' `` What a mix-up , '' laughed Grace . `` No wonder I was n't missed . I 'm sorry mother was uneasy , but she 'll forgive me when she hears my tale .