seven o'clock
Intended , of course , to lock her room , but was so agitated by what she saw or heard that she forgot and just walked away . '' `` But no one saw her leave the hotel , '' observed Mary Louise . `` Then she did n't pass through the office , but through the less used Ladies ' Entrance at the side . '' `` That was not unlocked , they told me , until after seven o'clock . '' `` Then she left by the servants ' entrance . '' `` The servants ' ! '' `` Quite likely .