midnight
`` I was not mistaken -- I saw him as plain as day . I am going to look for him , '' added the eldest Rover , for the man had now disappeared . He ran for the hall door , and the other boys followed . The girls remained in the parlor , much frightened , for it was after midnight . As Dick reached the piazza he saw a dark form stealing along a row of bushes near the garden fence . `` There he is ! '' he exclaimed .