"Professor McGonagall, please go to Mr. Filch at once and
tell him to search every painting in the castle for the Fat Lady."
...Snape had settled himself on the grass in the dense shadow of some bushes.(OP28)
"How are we supposed to get on?" said Ron faintly. "When we can't see the things?"(OP34)
"Harry did not think he had ever moved so fast: the Thestral streaked over the castle, its wide wings hardly beating; the cooling air was slapping Harry's face; eyes screwed up against the rushing wind, he looked round..."(OP34)