seven o'clock
He tried to express his delight to Oliver , and turned to find him , but Oliver was not beside him nor did he join his father for five minutes at least . That young gentleman -- just as Richard and Nathan had reached the BOTTOM of the second flight of stairs -- had suddenly remembered something of the utmost importance which he had left in the INNER room , and which he could not possibly find until Madge , waiting by the banister , had gone back to help him look for it , and not then , until Mrs. Mulligan had left them both and shut the kitchen-door behind her . Yes , it was quite five minutes , or more , before Oliver clattered down-stairs after his guests , stopping but once to look up through the banisters into Margaret 's eyes -- she was leaning over for the purpose -- his open hand held up toward her as a sign that it was always at her command . For a quiet , orderly , well behaved and most dignified street , Tenth Street , at seven o'clock one April night was disgracing itself in a way that must have shocked its inhabitants . Cabs driving like mad were rattling over the cobbles , making their way toward the old Studio Building . Policemen were shouting to the drivers to keep in line . Small boys were darting in and out , peering into the cab windows and calling out to their fellows : `` Ki Jimmy !