Professor Grubbly-Plank stood waiting for the class some ten yards from Hagrid's front door, a long trestle table in front of her laden with many twigs.
A return to clay and plaster followed, and ghostly casts of her acquaintances haunted corners of the house, or tumbled off closet shelves onto people's heads.
Harry heard her ask as they arrived at the trestle table where the group of captive Bowtruckles were scrabbling around for woodlice like so many living twigs.
" Presently! Do you know to what you exposed yourself? Didn't you see anything in the corner, on the left, on the third shelf? Speak, answer, articulate something" .